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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/06/11 22:56:13 UTC
[1/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Repository: mesos-site
Updated Branches:
refs/heads/asf-site 0df7420a0 -> 4b9283195
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/windows_2rm_8hpp_source.html
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diff --git a/content/api/latest/c++/windows_2rm_8hpp_source.html b/content/api/latest/c++/windows_2rm_8hpp_source.html
index 99d1270..a10ab82 100644
--- a/content/api/latest/c++/windows_2rm_8hpp_source.html
+++ b/content/api/latest/c++/windows_2rm_8hpp_source.html
@@ -57,7 +57,7 @@
<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:36</div></div>
<div class="ttc" id="namespaceos_html_ac1c8ce3595084d78291f98c2be9f62ba"><div class="ttname"><a href="namespaceos.html#ac1c8ce3595084d78291f98c2be9f62ba">os::rm</a></div><div class="ttdeci">Try< Nothing > rm(const std::string &path)</div><div class="ttdef"><b>Definition:</b> rm.hpp:26</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> check.hpp:33</div></div>
-<div class="ttc" id="namespaceos_html_ab2b826c68a25af9e9ef47c570c36e137"><div class="ttname"><a href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">os::sleep</a></div><div class="ttdeci">Try< Nothing > sleep(const Duration &duration)</div><div class="ttdef"><b>Definition:</b> os.hpp:234</div></div>
+<div class="ttc" id="namespaceos_html_ab2b826c68a25af9e9ef47c570c36e137"><div class="ttname"><a href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">os::sleep</a></div><div class="ttdeci">Try< Nothing > sleep(const Duration &duration)</div><div class="ttdef"><b>Definition:</b> os.hpp:240</div></div>
<div class="ttc" id="classWindowsError_html"><div class="ttname"><a href="classWindowsError.html">WindowsError</a></div><div class="ttdef"><b>Definition:</b> error.hpp:108</div></div>
<div class="ttc" id="namespaceos_html"><div class="ttname"><a href="namespaceos.html">os</a></div><div class="ttdef"><b>Definition:</b> posix_signalhandler.hpp:23</div></div>
<div class="ttc" id="namespaceinternal_1_1windows_html_ac9fbbbc8bb9b553f3ad1abac7c9a81c3"><div class="ttname"><a href="namespaceinternal_1_1windows.html#ac9fbbbc8bb9b553f3ad1abac7c9a81c3">internal::windows::wait_on_delete</a></div><div class="ttdeci">Try< Nothing > wait_on_delete(const std::string &path)</div><div class="ttdef"><b>Definition:</b> rm.hpp:38</div></div>
[2/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/windows_2os_8hpp_source.html
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diff --git a/content/api/latest/c++/windows_2os_8hpp_source.html b/content/api/latest/c++/windows_2os_8hpp_source.html
index ca3faac..7174135 100644
--- a/content/api/latest/c++/windows_2os_8hpp_source.html
+++ b/content/api/latest/c++/windows_2os_8hpp_source.html
@@ -52,7 +52,7 @@
<div class="title">os.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="windows_2os_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</
span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class=
"line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_WINDOWS_OS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_WINDOWS_OS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <sys/utime.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <list></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#inclu
de <map></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <numeric></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <set></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="bytes_8hpp.html">stout/bytes.hpp</a>></s
pan></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="none_8hpp.html">stout/none.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="path_8hpp.html">stout/path.hpp</a>></span></div><div class="li
ne"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="stringify_8hpp.html">stout/stringify.hpp</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="strings_8hpp.html">stout/strings.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2version_8hpp.html">stout/version.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html">st
out/windows.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="os_2os_8hpp.html">stout/os/os.hpp</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="getenv_8hpp.html">stout/os/getenv.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="stout_2include_2stout_2os_2process_8hpp.html">stout/os/process.hpp</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2read_8hpp.html">stout/os/read.hpp</a>></span></div><div class="line"><a name="
l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2raw_2environment_8hpp.html">stout/os/raw/environment.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// NOTE: These system headers must be included after `stout/windows.hpp`</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// as they may include `Windows.h`. See comments in `stout/windows.hpp`</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// for why this ordering is important.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <spa
n class="preprocessor">#include <Psapi.h></span> <span class="comment">// For `EnumProcesses` and `GetProcessMemoryInfo`.</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <TlHelp32.h></span> <span class="comment">// For `PROCESSENTRY32W` and `CreateToolhelp32Snapshot`.</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <Userenv.h></span> <span class="comment">// For `GetAllUsersProfileDirectoryW`.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">namespace </span><a class="code" href="namespaceos.html">os</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span><a class="code" href="namespaceinterna
l.html">internal</a> {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespaceos_1_1internal.html#a02c567b1b6bb441a3a29433a126cedec"> 56</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespaceos_1_1internal.html#a02c567b1b6bb441a3a29433a126cedec">nodename</a>()</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// MSDN documentation states "The names are established at system startup,</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// when the system reads them from the registry." This is akin to the</span></div><div class="line"><a name="l00060"></a><spa
n class="lineno"> 60</span>  <span class="comment">// Linux `gethostname` which calls `uname`, thus avoiding a DNS lookup.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// The `net::getHostname` function can be used for an explicit DNS lookup.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">//</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// NOTE: This returns the hostname of the local computer, or the local</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// node if this computer is part of a cluster.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  COMPUTER_NAME_FORMAT <a class="code" href="namespacestrings_1_1internal.html#a870e2db270d980f83de20525ec414d2a">format</a>
= ComputerNamePhysicalDnsHostname;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  DWORD <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a> = 0;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (::GetComputerNameExW(format, <span class="keyword">nullptr</span>, &size) == 0) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (::GetLastError() != ERROR_MORE_DATA) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>();</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="
l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::vector<wchar_t> buffer;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  buffer.reserve(size);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (::GetComputerNameExW(format, buffer.data(), &<a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>) == 0) {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>();</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> 
</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(std::wstring(buffer.data()));</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// Overload of os::pids for filtering by groups and sessions. A group / session</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <sp
an class="comment">// id of 0 will fitler on the group / session ID of the calling process.</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// NOTE: Windows does not have the concept of a process group, so we need to</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// enumerate all processes.</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::set<pid_t></a>> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">pids</a>(<a class="code" href="classOption.html">Option<pid_t></a> <a class="code" href="structgroup.html">group</a>, <a class="code" href="classOption.html">Option<pid_t></a> session)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div><div class="lin
e"><a name="l00092"></a><span class="lineno"> 92</span>  DWORD max_items = 4096;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  DWORD bytes_returned;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  std::vector<pid_t> <a class="code" href="namespaceos.html#aa98ca8ac255e2b9c689979a1b40084d3">processes</a>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">size_t</span> size_in_bytes;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Attempt to populate `processes` with PIDs. We repeatedly call</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// `EnumProcesses` with increasingly large arrays until it "succeeds" at</span></d
iv><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// populating the array with PIDs. The criteria for determining when</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// `EnumProcesses` has succeeded are:</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// (1) the return value is nonzero.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// (2) the `bytes_returned` is less than the number of bytes in the array.</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">do</span> {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// TODO(alexnaparu): Set a limit to the memory that can be used.</span></div><div class="
line"><a name="l00105"></a><span class="lineno"> 105</span>  processes.resize(max_items);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  size_in_bytes = processes.size() * <span class="keyword">sizeof</span>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a>);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  CHECK_LE(size_in_bytes, MAXDWORD);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  BOOL result = ::EnumProcesses(</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  processes.data(),</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">static_cast<</span>DWORD<span class="keyword">></span>(size_in_bytes
),</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  &bytes_returned);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!result) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::pids: Call to `EnumProcesses` failed"</span>);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  max_items *= 2;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keyw
ordflow">while</span> (bytes_returned >= size_in_bytes);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::set<pid_t> pids_set(processes.begin(), processes.end());</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// NOTE: The PID `0` will always be returned by `EnumProcesses`; however, it</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// is the PID of Windows' System Idle Process. While the PID is valid, using</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// it for anything is almost always invalid. For instance, `OpenProcess` will</span></div><div class="line"><a name="l00126
"></a><span class="lineno"> 126</span>  <span class="comment">// fail with an invalid parameter error if the user tries to get a handle for</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// PID `0`. In the interest of safety, we prevent the `pids` API from ever</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// including the PID `0`.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  pids_set.erase(0);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> pids_set;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"
><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::set<pid_t></a>> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">pids</a>()</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">pids</a>(<a class="code" href="structNone.html">None</a>(), <a class="code" href="structNone.html">None</a>());</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span cla
ss="comment">// Sets the value associated with the specified key in the set of</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// environment variables.</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceos.html#ac0f608e2a32764327e38c53d0d51527d">setenv</a>(</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> std::string& key,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> std::string& value,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">bool</span> overwrite = <span class="keyword">true</span>)</div><div class="line"><a name="l00146"></a><span class="lineno"> 1
46</span> {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Do not set the variable if already set and `overwrite` was not specified.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">//</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Per MSDN, `GetEnvironmentVariable` returns 0 on error and sets the</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// error code to `ERROR_ENVVAR_NOT_FOUND` if the variable was not found.</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">//</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// https://msdn.microsoft.com/en-us/library/windows/desktop/ms683188(v=vs.85)
.aspx // NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!overwrite &&</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ::GetEnvironmentVariableW(wide_stringify(key).data(), <span class="keyword">nullptr</span>, 0) != 0 &&</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  ::GetLastError() == ERROR_ENVVAR_NOT_FOUND) {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// `SetEnvironmentVariable` returns an error code, but we can'
;t act on it.</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ::SetEnvironmentVariableW(</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  wide_stringify(key).data(), wide_stringify(value).data());</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Unsets the value associated with the specified key in the set of</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// environment variables.</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">inline</span> <span class="keywordtype">
void</span> <a class="code" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5">unsetenv</a>(<span class="keyword">const</span> std::string& key)</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// Per MSDN documentation[1], passing `nullptr` as the value will cause</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// `SetEnvironmentVariable` to delete the key from the process's environment.</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ::SetEnvironmentVariableW(wide_stringify(key).data(), <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a n
ame="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// NOTE: This exists for compatibility with the POSIX API.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceos.html#afe5b6cbeb92f2df4f8f6211d8b0c8be4">eraseenv</a>(<span class="keyword">const</span> std::string& key)</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5">unsetenv</a>(key);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l001
81"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// Suspends execution of the calling process until a child specified by `pid`</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// has changed state. Unlike the POSIX standard function `::waitpid`, this</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// function does not use -1 and 0 to signify errors and nonblocking return.</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// Instead, we return `Result<pid_t>`:</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// * In case of error, we return `Error` rather than -1. For example, we</span></div><div class="line"><a name="l00187">
</a><span class="lineno"> 187</span> <span class="comment">// would return an `Error` in case of `EINVAL`.</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// * In case of nonblocking return, we return `None` rather than 0. For</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// example, if we pass `WNOHANG` in the `options`, we would expect 0 to be</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment">// returned in the case that children specified by `pid` exist, but have</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// not changed state yet. In this case we return `None` instead.</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment">//</span></div><div c
lass="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// NOTE: There are important differences between the POSIX and Windows</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// implementations of this function:</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// * On POSIX, `pid_t` is a signed number, but on Windows, PIDs are `DWORD`,</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// which is `unsigned long`. Thus, if we use `DWORD` to represent the `pid`</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// argument, passing -1 as the `pid` would (on most modern servers)</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">//
silently convert to a really large `pid`. This is undesirable.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">// * Since it is important to be able to detect -1 has been passed to</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// `os::waitpid`, as a matter of practicality, we choose to:</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// (1) Use `long` to represent the `pid` argument.</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment">// (2) Disable using any value <= 0 for `pid` on Windows.</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// * This decision is pragmatic. The reasoning is:</span></div><div class="line"><a name="l00204"></a><span clas
s="lineno"> 204</span> <span class="comment">// (1) The Windows code paths call `os::waitpid` in only a handful of</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// places, and in none of these conditions do we need `-1` as a value.</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// (2) Since PIDs virtually never take on values outside the range of</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment">// vanilla signed `long` it is likely that an accidental conversion</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// will never happen.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// (3) Even though it is not formalized in the C
specification, the</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// implementation of `long` on the vast majority of production servers</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// is 2's complement, so we expect that when we accidentally do</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment">// implicitly convert from `unsigned long` to `long`, we will "wrap</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// around" to negative values. And since we've disabled the negative</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// `pid` in the Windows implementation, we should error out.</span></div><div class="lin
e"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// * Finally, on Windows, we currently do not check that the process we are</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// attempting to await is a child process.</span></div><div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="namespaceos.html#a59caf358baf81de389c29d983b8e21ad"> 217</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<pid_t></a> <a class="code" href="namespaceos.html#a48c86262928f59c5c54d0cb0012e2aba">waitpid</a>(<span class="keywordtype">long</span> pid, <span class="keywordtype">int</span>* <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">status</a>, <span class="keywordtype">int</span> options)</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> {</div><div class="line
"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> wait_for_child = (options & <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afa288d86b242c3005425a9c0f1682544">WNOHANG</a>) == 0;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// NOTE: Windows does not implement pids <= 0.</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (pid <= 0) {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  errno = ENOSYS;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(</div><div class="line"><a
name="l00225"></a><span class="lineno"> 225</span>  <span class="stringliteral">"os::waitpid: Value of pid is '"</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(pid) +</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="stringliteral">"'; the Windows implementation currently does not allow values <= 0"</span>);</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (options != 0 && options != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afa288d86b242c3005425a9c0f1682544">WNOHANG</a>) {</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// NOTE: We only support `options == 0` or `options == WNOHANG`. On Windows</span></div><div class="line"><a n
ame="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// no flags other than `WNOHANG` are supported.</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  errno = ENOSYS;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">"os::waitpid: Only flag `WNOHANG` is implemented on Windows"</span>);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// TODO(hausdorff): Check that `pid` is one of the child processes. If not,</span></div><div
class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// set `errno` to `ECHILD` and return -1.</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// Open the child process as a safe `SharedHandle`.</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <a class="code" href="namespacerouting_1_1queueing_1_1ingress.html#a934208b6017d0a9aed90b6594bb8292f">HANDLE</a> <a class="code" href="namespaceprocess.html">process</a> = ::OpenProcess(</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  PROCESS_QUERY_INFORMATION | SYNCHRONIZE,</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  FALSE,</div><div class="line"><a name="l00242"></a><span class="lineno"> 2
42</span>  static_cast<DWORD>(pid));</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (process == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::waitpid: Failed to open process for pid '"</span> +</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(pid) + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div><div class="line"><a name="l00248"></a><span clas
s="lineno"> 248</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="classSharedHandle.html">SharedHandle</a> scoped_process(process, ::CloseHandle);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// If `WNOHANG` flag is set, don't wait. Otherwise, wait for child to</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// terminate.</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">const</span> DWORD wait_time = wait_for_child ? INFINITE : 0;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">const</span> DWORD wait_results = ::WaitForSingleObject(</div><div class="line"><a name="l00255"></a><s
pan class="lineno"> 255</span>  scoped_process.get(),</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  wait_time);</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Verify our wait exited correctly.</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> state_signaled = wait_results == WAIT_OBJECT_0;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (options == 0 && !state_signaled) {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// If `WNOHANG` is not set, then we should have stopped waiting only for a</span></div><div class="line"><a name="l0
0262"></a><span class="lineno"> 262</span>  <span class="comment">// state change in `scoped_process`.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  errno = ECHILD;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="stringliteral">"os::waitpid: Failed to wait for pid '"</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(pid) +</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="stringliteral">"'. `::WaitForSingleObject` should have waited for child process to "</span> +</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <spa
n class="stringliteral">"exit, but returned code '"</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(wait_results) +</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="stringliteral">"' instead"</span>);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (wait_for_child && !state_signaled &&</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  wait_results != WAIT_TIMEOUT) {</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// If `WNOHANG` is set, then a successful wait should report either a</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// timeout (since we set t
he time to wait to `0`), or a successful state</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// change of `scoped_process`. Anything else is an error.</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  errno = ECHILD;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="stringliteral">"os::waitpid: Failed to wait for pid '"</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(pid) +</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="stringliteral">"'. `ENOHANG` flag was passed in, so `::WaitForSingleObject` should &q
uot;</span> +</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="stringliteral">"have either returned `WAIT_OBJECT_0` or `WAIT_TIMEOUT` (the "</span> +</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="stringliteral">"timeout was set to 0, because we are not waiting for the child), "</span> +</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="stringliteral">"but instead returned code '"</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(wait_results) + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</sp
an>  <span class="keywordflow">if</span> (!wait_for_child && wait_results == WAIT_TIMEOUT) {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// Success. `ENOHANG` was set and we got a timeout, so return `None` (POSIX</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// `::waitpid` would return 0 here).</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// Attempt to retrieve exit code from child process. Store that exit code in</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// the `status` variable if it's `nullptr`.</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  DWORD child_exit_code = 0;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (!::GetExitCodeProcess(scoped_process.get(), &child_exit_code)) {</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  errno = ECHILD;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="stringliteral">"os::waitpid: Successfully waited on child process with pid '"</span> +</div><div class="line"><a name="l00296
"></a><span class="lineno"> 296</span>  std::to_string(pid) + <span class="stringliteral">"', but could not retrieve exit code"</span>);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (status != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  *status = child_exit_code;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// Success. Return pid of the child process for which the status is reported.</span></div><div cla
ss="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> pid;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keyword">inline</span> std::string <a class="code" href="namespaceos.html#a73c0258b355f6a38f3809bcd16a8f25a">hstrerror</a>(<span class="keywordtype">int</span> err) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try
<Nothing></a> <a class="code" href="namespaceos.html#a9ea4b5bd8ccef02c74ceb9b4a497baab">chown</a>(</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afc544433253791fc5f87b8203c9b6e63">uid_t</a> <a class="code" href="namespaceos_1_1stat.html#a96066cfc01f1f62fc25b56f6915800eb">uid</a>,</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a78ecefd3a9f3f0c110b9f6f038b690eb">gid_t</a> gid,</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">bool</span> recursive) = <span class="keyword">delete</span>;</div><div class="lin
e"><a name="l00316"></a><span class="lineno"> 316</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ab9f08ced036cc5156a11a86090768bb5">chmod</a>(<span class="keyword">const</span> std::string& path, <span class="keywordtype">int</span> <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a>) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="cod
e" href="namespaceos.html#accb0757a8d9eca48dd31c4c433d17cfd">mknod</a>(</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keyword">const</span> std::string& path,</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a8a35dd1207a16dfa8b1d4163176d828c">mode_t</a> mode,</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  dev_t <a class="code" href="namespaceos_1_1stat.html#a083c9ff4aefeba1a75a27e6a6d6e2a71">dev</a>) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// Suspends execution for the given duration.</span></div><div class="li
ne"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// NOTE: This implementation features a millisecond-resolution sleep API, while</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">// the POSIX version uses a nanosecond-resolution sleep API. As of this writing,</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// Mesos only requires millisecond resolution, so this is ok for now.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">sleep</a>(<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration)</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>
0;{</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span> (duration.<a class="code" href="classDuration.html#a05ddd6a9f21b82dba6313f81418f53d2">ms</a>() < 0) {</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(ERROR_INVALID_PARAMETER);</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  ::Sleep(static_cast<DWORD>(duration.<a class="code" href="classDuration.html#a05ddd6a9f21b82dba6313f81418f53d2">ms</a>()));</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>
0; <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// Returns the list of files that match the given (shell) pattern.</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// NOTE: Deleted on Windows, as a POSIX-API-compliant `glob` is much more</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// trouble than its worth, considering our relatively simple usage.</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="ke
yword">inline</span> <a class="code" href="classTry.html">Try<std::list<std::string></a>> <a class="code" href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422">glob</a>(<span class="keyword">const</span> std::string& pattern) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment">// Returns the total number of cpus (cores).</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<long></a> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a>()</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> {</div><div class="line"><a name="l00352"><
/a><span class="lineno"> 352</span>  SYSTEM_INFO sys_info;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  ::GetSystemInfo(&sys_info);</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>(sys_info.dwNumberOfProcessors);</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> }</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// Returns load struct with average system loads for the last</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// 1, 5 and 15 minutes respectively.</span></div><div class="line"><a name="l00359"></a><span
class="lineno"> 359</span> <span class="comment">// Load values should be interpreted as usual average loads from</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// uptime(1).</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Load></a> <a class="code" href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">loadavg</a>()</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> {</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// No Windows equivalent, return an error until there is a need. We can</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// construct an approximation of this function by periodically polling</span></div><div class="line"><
a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// `GetSystemTimes` and using a sliding window of statistics.</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(ERROR_NOT_SUPPORTED,</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="stringliteral">"Failed to determine system load averages"</span>);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> }</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment">// Returns the total size of main and free memory.</span></div><div class="line"><a
name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Memory></a> <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>()</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> {</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="structos_1_1Memory.html">Memory</a> <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>;</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  MEMORYSTATUSEX memory_status;</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  memory_status.dwLength = <span class="keyword">sizeof</span>(MEMORYSTATUSEX);</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>
0; <span class="keywordflow">if</span> (!::GlobalMemoryStatusEx(&memory_status)) {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::memory: Call to `GlobalMemoryStatusEx` failed"</span>);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  memory.<a class="code" href="structos_1_1Memory.html#a3670204f7fb13a96ca0e278f49b91282">total</a> = <a class="code" href="classBytes.html">Bytes</a>(memory_status.ullTotalPhys);</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  memory.<a class="code" href="structos_1_1Memory.html#ab447e8e30892e0d5f0e3a976e6d80cde">free</a> = <a
class="code" href="classBytes.html">Bytes</a>(memory_status.ullAvailPhys);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  memory.<a class="code" href="structos_1_1Memory.html#a00f1a2071778c1ce10eff411fae079d5">totalSwap</a> = <a class="code" href="classBytes.html">Bytes</a>(memory_status.ullTotalPageFile);</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  memory.<a class="code" href="structos_1_1Memory.html#a99857d2d965390fe2e88f417037dce55">freeSwap</a> = <a class="code" href="classBytes.html">Bytes</a>(memory_status.ullAvailPageFile);</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>;</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> }<
/div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Version></a> <a class="code" href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506">release</a>() = <span class="keyword">delete</span>;</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment">// Return the system information.</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<UTSInfo></a> <a class="code" href="namespac
eos.html#afc96a896b632cb0942b317a1f8543919">uname</a>() = <span class="keyword">delete</span>;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div><div class="line"><a name="l00398"></a><span class="lineno"><a class="line" href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d"> 398</a></span> <span class="keyword">inline</span> tm* <a class="code" href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">gmtime_r</a>(<span class="keyword">const</span> time_t* timep, tm* result)</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> {</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  return ::gmtime_s(result, timep) == ERROR_SUCCESS ? result : <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> }</div><div class="line"><a name
="l00402"></a><span class="lineno"> 402</span> </div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> </div><div class="line"><a name="l00404"></a><span class="lineno"><a class="line" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747"> 404</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<PROCESSENTRY32W></a> <a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid)</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> {</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// Get a snapshot of the processes in the system. NOTE: We should not check</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="
comment">// whether the handle is `nullptr`, because this API will always return</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">// `INVALID_HANDLE_VALUE` on error.</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="namespacerouting_1_1queueing_1_1ingress.html#a934208b6017d0a9aed90b6594bb8292f">HANDLE</a> snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, pid);</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">if</span> (snapshot_handle == INVALID_HANDLE_VALUE) {</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="stringliteral">"os::process
_entry: Call to `CreateToolhelp32Snapshot` failed"</span>);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="classSharedHandle.html">SharedHandle</a> safe_snapshot_handle(snapshot_handle, ::CloseHandle);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// Initialize process entry.</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  PROCESSENTRY32W <a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>;</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  memset(&process_entry, 0, <span class="keyword">s
izeof</span>(process_entry));</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  process_entry.dwSize = <span class="keyword">sizeof</span>(<a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// Get first process so that we can loop through process entries until we</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// find the one we care about.</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  SetLastError(ERROR_SUCCESS);</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  BOOL has_next = Process32First(safe_snapshot_handle.get(), &<a class="code" href="namespaceos.html#a64774f317
6080d29eedcee42ae23c747">process_entry</a>);</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (has_next == FALSE) {</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">// No first process was found. We should never be here; it is arguable we</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="comment">// should return `None`, since we won't find the PID we're looking for, but</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// we elect to return `Error` because something terrible has probably</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// happened.</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyw
ordflow">if</span> (::GetLastError() != ERROR_SUCCESS) {</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::process_entry: Call to `Process32First` failed"</span>);</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"os::process_entry: Call to `Process32First` failed"</span>);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div><div class="line"><a name="l00437"></a><span class="lineno">
437</span> </div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="comment">// Loop through processes until we find the one we're looking for.</span></div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">while</span> (has_next == TRUE) {</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> (process_entry.th32ProcessID == pid) {</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// Process found.</span></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>;</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div><div class="line"><a name="l00444"
></a><span class="lineno"> 444</span> </div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  has_next = Process32Next(safe_snapshot_handle.get(), &<a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>);</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span> (has_next == FALSE) {</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  DWORD last_error = ::GetLastError();</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (last_error != ERROR_NO_MORE_FILES && last_error != ERROR_SUCCESS) {</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(</div><div class="line"><a name="l00450"></a><
span class="lineno"> 450</span>  <span class="stringliteral">"os::process_entry: Call to `Process32Next` failed"</span>);</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> </div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> }</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 4
59</span> <span class="comment">// Generate a `Process` object for the process associated with `pid`. If</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// process is not found, we return `None`; error is reserved for the case where</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment">// something went wrong.</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<Process></a> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid)</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> {</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</
span>  <span class="keywordflow">if</span> (pid == 0) {</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// The 0th PID is that of the System Idle Process on Windows. However, it is</span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">// invalid to attempt to get a proces handle or else perform any operation</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="comment">// on this pseudo-process.</span></div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"os::process: Invalid parameter: pid == 0"</span>);</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div><div class="line"><a name="l00470"></a><span class
="lineno"> 470</span> </div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// Find process with pid.</span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="classResult.html">Result<PROCESSENTRY32W></a> entry = <a class="code" href="namespaceos.html#a64774f3176080d29eedcee42ae23c747">process_entry</a>(pid);</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (entry.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(entry.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580
aae8aaee">error</a>());</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (entry.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <a class="code" href="namespacerouting_1_1queueing_1_1ingress.html#a934208b6017d0a9aed90b6594bb8292f">HANDLE</a> process_handle = ::OpenProcess(</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_
READ,</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keyword">false</span>,</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  pid);</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">// ::OpenProcess returns `NULL`, not `INVALID_HANDLE_VALUE` on failure.</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">if</span> (process_handle == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::process: Call to `OpenProcess` failed"</span>);</div><div class="line"><a name="l00488">
</a><span class="lineno"> 488</span>  }</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <a class="code" href="classSharedHandle.html">SharedHandle</a> safe_process_handle(process_handle, ::CloseHandle);</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="comment">// Get Windows Working set size (Resident set size in linux).</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  PROCESS_MEMORY_COUNTERS proc_mem_counters;</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  BOOL get_process_memory_info = ::GetProcessMemoryInfo(</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  safe_process_handle.<a class="code" href="classSh
aredHandle.html#a800385e17e17cb826147968e748fd8fa">get_handle</a>(),</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  &proc_mem_counters,</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keyword">sizeof</span>(proc_mem_counters));</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">if</span> (!get_process_memory_info) {</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::process: Call to `GetProcessMemoryInfo` failed"</span>);</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  }</div><div class="line"><a name="l00502"></a><span class="l
ineno"> 502</span> </div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">// Get session Id.</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> session_id;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  BOOL process_id_to_session_id = ::ProcessIdToSessionId(pid, &session_id);</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> (!process_id_to_session_id) {</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"o
s::process: Call to `ProcessIdToSessionId` failed"</span>);</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> </div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">// Get Process CPU time.</span></div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  FILETIME create_filetime, exit_filetime, kernel_filetime, user_filetime;</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  BOOL get_process_times = ::GetProcessTimes(</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  safe_process_handle.<a class="code" href="classSharedHandle.html#a800385e17e17cb826147968e748fd8fa">get_handle</a>(),</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  &create_filetime,</div><div class="
line"><a name="l00516"></a><span class="lineno"> 516</span>  &exit_filetime,</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  &kernel_filetime,</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  &user_filetime);</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (!get_process_times) {</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">return</span> <a class="code" href="classWindowsError.html">WindowsError</a>(<span class="stringliteral">"os::process: Call to `GetProcessTimes` failed"</span>);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <
/div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="comment">// Get utime and stime.</span></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  ULARGE_INTEGER lKernelTime, lUserTime; <span class="comment">// In 100 nanoseconds.</span></div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  lKernelTime.HighPart = kernel_filetime.dwHighDateTime;</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  lKernelTime.LowPart = kernel_filetime.dwLowDateTime;</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  lUserTime.HighPart = user_filetime.dwHighDateTime;</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  lUserTime.LowPart = user_filetime.dwLowDateTime;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div><div class="line"><a name="l00531"></a><span c
lass="lineno"> 531</span>  <a class="code" href="classTry.html">Try<Duration></a> <a class="code" href="namespaceos.html#a818327458964860a86fc8964e4795b4d">utime</a> = <a class="code" href="classNanoseconds.html">Nanoseconds</a>(lKernelTime.QuadPart * 100);</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="classTry.html">Try<Duration></a> stime = <a class="code" href="classNanoseconds.html">Nanoseconds</a>(lUserTime.QuadPart * 100);</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">return</span> <a class="code" href="structos_1_1Process.html">Process</a>(</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  pid,</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  entry.<a class="code" href="cla
ssResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().th32ParentProcessID, <span class="comment">// Parent process id.</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  0, <span class="comment">// Group id.</span></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  session_id,</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <a class="code" href="classBytes.html">Bytes</a>(proc_mem_counters.WorkingSetSize),</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  utime.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() ? utime.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>() : <a class="code" href="classOption.html#aca73609603df4687dba70c2a5df47ef8">Option<Duration>::none</a>(),</div><div class="line"><a name="
l00541"></a><span class="lineno"> 541</span>  stime.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() ? stime.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>() : <a class="code" href="classOption.html#aca73609603df4687dba70c2a5df47ef8">Option<Duration>::none</a>(),</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(entry.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().szExeFile), <span class="comment">// Executable filename.</span></div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">false</span>); <span class="comment">// Is not zombie process.</span></div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> }</div><div c
lass="line"><a name="l00545"></a><span class="lineno"> 545</span> </div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div><div class="line"><a name="l00547"></a><span class="lineno"><a class="line" href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446"> 547</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446">random</a>()</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span> {</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">return</span> rand();</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span> }</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div><div class="line"><a name="l00553"></a><spa
n class="lineno"> 553</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespaceos.html#a547f04b42e472b2ff007089
<TRUNCATED>
[5/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/src_2master_2allocator_2sorter_2random_2utils_8hpp_source.html
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diff --git a/content/api/latest/c++/src_2master_2allocator_2sorter_2random_2utils_8hpp_source.html b/content/api/latest/c++/src_2master_2allocator_2sorter_2random_2utils_8hpp_source.html
index 39e1866..c0e19d5 100644
--- a/content/api/latest/c++/src_2master_2allocator_2sorter_2random_2utils_8hpp_source.html
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<a href="src_2master_2allocator_2sorter_2random_2utils_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class
="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#
160;<span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __MASTER_ALLOCATOR_SORTER_RANDOM_UTILS_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#def
ine __MASTER_ALLOCATOR_SORTER_RANDOM_UTILS_HPP__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <numeric></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <random></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno">
26</span> <span class="preprocessor">#include <<a class="code" href="stout_2include_2stout_2check_8hpp.html">stout/check.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos_1_1v1_1_1master.html">master</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>allocator {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</sp
an> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// A weighted variant of std::shuffle. Items with higher weight</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// have a higher chance of being towards the front of the list,</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// equivalent to weighted random sampling without replacement.</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// Code adapted from the following paper:</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// http://utopia.duth.gr/~pefraimi/research/data/2007EncOfAlg.pdf</span></div><div cla
ss="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Found from: https://softwareengineering.stackexchange.com/a/344274</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">//</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// This has O(n log n) runtime complexity.</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">class</span> RandomAccessIterator, <span class="keyword">class</span> URBG></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master_1_1allocator.html#affc489370541ae3ab4bdd809b990eba4"> 43</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemesos_1_1internal_1_1master_1_1allocator.html#affc489370541ae3ab
4bdd809b990eba4">weightedShuffle</a>(</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  RandomAccessIterator begin,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  RandomAccessIterator end,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">const</span> std::vector<double>& weights,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  URBG&& urbg)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  CHECK_EQ(end - begin, (<span class="keywordtype">int</span>) weights.size());</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  std::vector<double> keys(weights.size(
));</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < weights.size(); ++i) {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  CHECK_GT(weights[i], 0.0);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Make the key negative so that we don't have to reverse sort.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">double</span> <a class="code" href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446">random</a> = std::uniform_real_distribution<>(0.0, 1.0)(urbg);</div><div class="line"><a name="l00058"></a><span class="
lineno"> 58</span>  keys[i] = 0.0 - std::pow(random, (1.0 / weights[i]));</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Sort from smallest to largest keys. We store the sort permutation</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// so that we can apply it to `items`.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::vector<size_t> permutation(keys.size());</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::iota(permutation.begin(), permutation.end(), 0);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><s
pan class="lineno"> 66</span>  std::sort(permutation.begin(), permutation.end(),</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  [&](<span class="keywordtype">size_t</span> i, <span class="keywordtype">size_t</span> j){ <span class="keywordflow">return</span> keys[i] < keys[j]; });</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Now apply the permutation to `items`.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">//</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// TODO(bmahler): Consider avoiding the copy of entries in `items`</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// via an in-p
lace application of the permutation:</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// https://blog.merovius.de/2014/08/12/applying-permutation-in-constant.html</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  std::vector<typename std::iterator_traits<RandomAccessIterator>::value_type></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  shuffled(end - begin);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">std::transform</a>(</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  permutation.begin(),</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span
>  permutation.end(),</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  shuffled.begin(),</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  [&](<span class="keywordtype">size_t</span> i){ <span class="keywordflow">return</span> begin[i]; });</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Move the shuffled copy back into the `items`.</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  std::move(shuffled.begin(), shuffled.end(), begin);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> } <span class="comment">//
namespace allocator {</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> } <span class="comment">// namespace master {</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif // __MASTER_ALLOCATOR_SORTER_RANDOM_UTILS_HPP__</span></div><div class="ttc" id="namespacemesos_1_1v1_1_1master_html"><div class="ttname"><a href="namespacemesos_1_1v1_1_1master.html">mesos::v1::master</a></div><div class="ttdef"><b>Definition:</b> master.hpp:27</div></div>
<div class="ttc" id="stout_2include_2stout_2check_8hpp_html"><div class="ttname"><a href="stout_2include_2stout_2check_8hpp.html">check.hpp</a></div></div>
<div class="ttc" id="namespacemesos_html"><div class="ttname"><a href="namespacemesos.html">mesos</a></div><div class="ttdef"><b>Definition:</b> spec.hpp:30</div></div>
-<div class="ttc" id="namespaceos_html_aede9f61dcb4b7d1f276302a7bce37446"><div class="ttname"><a href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446">os::random</a></div><div class="ttdeci">int random()</div><div class="ttdef"><b>Definition:</b> os.hpp:547</div></div>
+<div class="ttc" id="namespaceos_html_aede9f61dcb4b7d1f276302a7bce37446"><div class="ttname"><a href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446">os::random</a></div><div class="ttdeci">int random()</div><div class="ttdef"><b>Definition:</b> os.hpp:550</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_1_1allocator_html_affc489370541ae3ab4bdd809b990eba4"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master_1_1allocator.html#affc489370541ae3ab4bdd809b990eba4">mesos::internal::master::allocator::weightedShuffle</a></div><div class="ttdeci">void weightedShuffle(RandomAccessIterator begin, RandomAccessIterator end, const std::vector< double > &weights, URBG &&urbg)</div><div class="ttdef"><b>Definition:</b> utils.hpp:43</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1recordio_html_a5fcab68176c462aaeed909f304c91bdf"><div class="ttname"><a href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">mesos::internal::recordio::transform</a></div><div class="ttdeci">process::Future< Nothing > transform(process::Owned< Reader< T >> &&reader, const std::function< std::string(const T &)> &func, process::http::Pipe::Writer writer)</div><div class="ttdoc">This is a helper function that reads records from a Reader, applies a transformation to the records a...</div><div class="ttdef"><b>Definition:</b> recordio.hpp:112</div></div>
<div class="ttc" id="namespaceinternal_html"><div class="ttname"><a href="namespaceinternal.html">internal</a></div><div class="ttdef"><b>Definition:</b> attributes.hpp:24</div></div>
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<div class="ttc" id="namespacemesos_1_1internal_1_1tests_html_a3d69b2b965a8a0d6a90319507f015a12"><div class="ttname"><a href="namespacemesos_1_1internal_1_1tests.html#a3d69b2b965a8a0d6a90319507f015a12">mesos::internal::tests::READWRITE_HTTP_AUTHENTICATION_REALM</a></div><div class="ttdeci">constexpr char READWRITE_HTTP_AUTHENTICATION_REALM[]</div><div class="ttdef"><b>Definition:</b> mesos.hpp:109</div></div>
<div class="ttc" id="structmesos_1_1internal_1_1tests_1_1ParamExecutorType_1_1Printer_html"><div class="ttname"><a href="structmesos_1_1internal_1_1tests_1_1ParamExecutorType_1_1Printer.html">mesos::internal::tests::ParamExecutorType::Printer</a></div><div class="ttdef"><b>Definition:</b> mesos.hpp:3782</div></div>
<div class="ttc" id="classmesos_1_1internal_1_1tests_1_1MesosTest_html_a256d948a0c093f4e4c8c59a5de9ecb8f"><div class="ttname"><a href="classmesos_1_1internal_1_1tests_1_1MesosTest.html#a256d948a0c093f4e4c8c59a5de9ecb8f">mesos::internal::tests::MesosTest::CreateSlaveFlags</a></div><div class="ttdeci">virtual slave::Flags CreateSlaveFlags()</div></div>
-<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:280</div></div>
+<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:286</div></div>
<div class="ttc" id="v1_2scheduler_2scheduler_8hpp_html"><div class="ttname"><a href="v1_2scheduler_2scheduler_8hpp.html">scheduler.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1tests_html_a6c523814728a49c178f848db6e6d88d6"><div class="ttname"><a href="namespacemesos_1_1internal_1_1tests.html#a6c523814728a49c178f848db6e6d88d6">mesos::internal::tests::ExpectNoFutureUnionProtobufs</a></div><div class="ttdeci">void ExpectNoFutureUnionProtobufs(Message message, UnionType unionType, From from, To to)</div><div class="ttdef"><b>Definition:</b> mesos.hpp:3624</div></div>
<div class="ttc" id="structmesos_1_1internal_1_1tests_1_1common_1_1DefaultFrameworkInfo_html"><div class="ttname"><a href="structmesos_1_1internal_1_1tests_1_1common_1_1DefaultFrameworkInfo.html">mesos::internal::tests::common::DefaultFrameworkInfo</a></div><div class="ttdef"><b>Definition:</b> mesos.hpp:506</div></div>
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<div class="ttc" id="bytes_8hpp_html"><div class="ttname"><a href="bytes_8hpp.html">bytes.hpp</a></div></div>
<div class="ttc" id="namespaceos_html_a88a1637a0168d78faad2ac5b82e5cc4d"><div class="ttname"><a href="namespaceos.html#a88a1637a0168d78faad2ac5b82e5cc4d">os::create_job</a></div><div class="ttdeci">Try< SharedHandle > create_job(const std::wstring &name)</div><div class="ttdef"><b>Definition:</b> jobobject.hpp:85</div></div>
<div class="ttc" id="option_8hpp_html_ac4b53d77033a5d2405ef12ceb3dc6498"><div class="ttname"><a href="option_8hpp.html#ac4b53d77033a5d2405ef12ceb3dc6498">max</a></div><div class="ttdeci">Option< T > max(const Option< T > &left, const Option< T > &right)</div><div class="ttdef"><b>Definition:</b> option.hpp:208</div></div>
-<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:280</div></div>
+<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:286</div></div>
<div class="ttc" id="namespaceos_html_a8181969d159a69d91d1e265f1bb1eddc"><div class="ttname"><a href="namespaceos.html#a8181969d159a69d91d1e265f1bb1eddc">os::kill_job</a></div><div class="ttdeci">Try< Nothing > kill_job(SharedHandle job_handle)</div><div class="ttdef"><b>Definition:</b> jobobject.hpp:381</div></div>
<div class="ttc" id="option_8hpp_html_a78407a45187058b9b4ef2042accb9bc4"><div class="ttname"><a href="option_8hpp.html#a78407a45187058b9b4ef2042accb9bc4">min</a></div><div class="ttdeci">Option< T > min(const Option< T > &left, const Option< T > &right)</div><div class="ttdef"><b>Definition:</b> option.hpp:179</div></div>
<div class="ttc" id="classResult_html_aedf79f3b14dcda5791b84a64ada4d412"><div class="ttname"><a href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">Result::get</a></div><div class="ttdeci">const T & get() const </div><div class="ttdef"><b>Definition:</b> result.hpp:115</div></div>
[6/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
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<div class="title">os.hpp</div> </div>
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<div class="contents">
-<a href="posix_2os_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</sp
an></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="l
ine"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_POSIX_OS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_POSIX_OS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifdef __sun</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <sys/loadavg.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#define dirfd(dir) ((dir)->d_fd)</span></div><div class="line"><a name="l00020"></a><span class="linen
o"> 20</span> <span class="preprocessor">#ifndef NAME_MAX</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define NAME_MAX MAXNAMLEN</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif // NAME_MAX</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <fts.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif // __sun</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <glob.h></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor
">#include <grp.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <limits.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <netdb.h></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <pwd.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <signal.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#i
nclude <stdlib.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <utime.h></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <linux/version.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> 
<span class="preprocessor">#include <sys/sysinfo.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif // __linux__</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <sys/utsname.h></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <sys/wait.h></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <list></span></div><div class="line"><a name="l00050"></a><span
class="lineno"> 50</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <mutex></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <set></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <<a class="code" href="synchronized_8hpp.html">stout/synchronized.hpp</a>></span></div><div class="line"><a name="l00057"></a><span class="
lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <<a class="code" href="close_8hpp.html">stout/os/close.hpp</a>></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2environment_8hpp.html">stout/os/environment.hpp</a>></span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include <<a class="code" href="fcntl_8hpp.html">stout/os/fcntl.hpp</a>></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include <<a class="code" href="find_8hpp.html">stout/os/find.hpp</a>></span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include <<a class="code"
href="fork_8hpp.html">stout/os/fork.hpp</a>></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include <<a class="code" href="getcwd_8hpp.html">stout/os/getcwd.hpp</a>></span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#include <<a class="code" href="killtree_8hpp.html">stout/os/killtree.hpp</a>></span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#include <<a class="code" href="os_2os_8hpp.html">stout/os/os.hpp</a>></span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include <<a class="code" href="permissions_8hpp.html">stout/os/permissions.hpp</a>></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include <<a class="code" h
ref="3rdparty_2stout_2include_2stout_2os_2read_8hpp.html">stout/os/read.hpp</a>></span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#include <<a class="code" href="rename_8hpp.html">stout/os/rename.hpp</a>></span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include <<a class="code" href="sendfile_8hpp.html">stout/os/sendfile.hpp</a>></span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#include <<a class="code" href="signals_8hpp.html">stout/os/signals.hpp</a>></span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include <<a class="code" href="strerror_8hpp.html">stout/os/strerror.hpp</a>></span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preproce
ssor">#include <<a class="code" href="write_8hpp.html">stout/os/write.hpp</a>></span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#ifdef __FreeBSD__</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#include <<a class="code" href="freebsd_8hpp.html">stout/os/freebsd.hpp</a>></span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2linux_8hpp.html">stout/os/linux.hpp</a>></
span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif // __linux__</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#include <<a class="code" href="open_8hpp.html">stout/os/open.hpp</a>></span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#ifdef __APPLE__</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#include <<a class="code" href="osx_8hpp.html">stout/os/osx.hpp</a>></span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif // __APPLE__</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#ifdef __sun</span></div><div class="line"><a name="l00085"></a><span class="lineno">
85</span> <span class="preprocessor">#include <<a class="code" href="sunos_8hpp.html">stout/os/sunos.hpp</a>></span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif // __sun</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#include <<a class="code" href="chown_8hpp.html">stout/os/posix/chown.hpp</a>></span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2raw_2environment_8hpp.html">stout/os/raw/environment.hpp</a>></span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#
include <<a class="code" href="shell_8hpp.html">stout/os/shell.hpp</a>></span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">namespace </span><a class="code" href="namespaceos.html">os</a> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// Import `::gmtime_r` into `os::` namespace.</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <a class="code" href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">using ::gmtime_r</a>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// Import `::hstrerror` into `os::` namespace.<
/span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <a class="code" href="namespaceos.html#a73c0258b355f6a38f3809bcd16a8f25a">using ::hstrerror</a>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// Import `::random` into `os::` namespace.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <a class="code" href="namespaceos.html#aede9f61dcb4b7d1f276302a7bce37446">using ::random</a>;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">// Forward declarations.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing&g
t;</a> <a class="code" href="namespaceos.html#a818327458964860a86fc8964e4795b4d">utime</a>(<span class="keyword">const</span> std::string&);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::list<Process></a>> <a class="code" href="namespaceos.html#aa98ca8ac255e2b9c689979a1b40084d3">processes</a>();</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// Suspends execution of the calling process until a child specified by `pid`</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// has changed state. Unlike the POSIX standard function `::waitpid`, this</span></div><div class="lin
e"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// function does not use -1 and 0 to signify errors and nonblocking return.</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Instead, we return `Result<pid_t>`:</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// * In case of error, we return `Error` rather than -1. For example, we</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// would return an `Error` in case of `EINVAL`.</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// * In case of nonblocking return, we return `None` rather than 0. For</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// example, if we pass `WN
OHANG` in the `options`, we would expect 0 to be</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// returned in the case that children specified by `pid` exist, but have</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// not changed state yet. In this case we return `None` instead.</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">//</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// NOTE: There are important differences between the POSIX and Windows</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// implementations of this function:</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// * On POSIX, `p
id_t` is a signed number, but on Windows, PIDs are `DWORD`,</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// which is `unsigned long`. Thus, if we use `DWORD` to represent the `pid`</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// argument, we would not be able to pass -1 as the `pid`.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// * Since it is important to be able to detect -1 has been passed to</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// `os::waitpid`, as a matter of practicality, we choose to:</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// (1) Use `long` to represent the `pid` argument.</span></div><div class="line"><a name="l00
128"></a><span class="lineno"> 128</span> <span class="comment">// (2) Disable using any value <= 0 for `pid` on Windows.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// * This decision is pragmatic. The reasoning is:</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// (1) The Windows code paths call `os::waitpid` in only a handful of</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// places, and in none of these conditions do we need `-1` as a value.</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// (2) Since PIDs virtually never take on values outside the range of</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// vanilla sig
ned `long` it is likely that an accidental conversion</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// will never happen.</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// (3) Even though it is not formalized in the C specification, the</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// implementation of `long` on the vast majority of production servers</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// is 2's complement, so we expect that when we accidentally do</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// implicitly convert from `unsigned long` to `long`, we will "wrap</span></div><div class="line"><a name="l00139
"></a><span class="lineno"> 139</span> <span class="comment">// around" to negative values. And since we've disabled the negative</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// `pid` in the Windows implementation, we should error out.</span></div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="namespaceos.html#a48c86262928f59c5c54d0cb0012e2aba"> 141</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<pid_t></a> <a class="code" href="namespaceos.html#a48c86262928f59c5c54d0cb0012e2aba">waitpid</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid, <span class="keywordtype">int</span>* <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">status</a>, <span class="keywordtype">int</span> options)</div><div clas
s="line"><a name="l00142"></a><span class="lineno"> 142</span> {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> child_pid = <a class="code" href="namespaceos.html#a48c86262928f59c5c54d0cb0012e2aba">::waitpid</a>(pid, status, options);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (child_pid == 0) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c
hild_pid < 0) {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"os::waitpid: Call to `waitpid` failed"</span>);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> child_pid;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comm
ent">// Sets the value associated with the specified key in the set of</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// environment variables.</span></div><div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="namespaceos.html#ac0f608e2a32764327e38c53d0d51527d"> 157</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceos.html#ac0f608e2a32764327e38c53d0d51527d">setenv</a>(<span class="keyword">const</span> std::string& key,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> std::string& value,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">bool</span> overwrite = <span class="keyword">true</span>)</div><div class="line"><a name="l00160"></a><span class=
"lineno"> 160</span> {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="namespaceos.html#ac0f608e2a32764327e38c53d0d51527d">::setenv</a>(key.c_str(), value.c_str(), overwrite ? 1 : 0);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Unsets the value associated with the specified key in the set of</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// environment variables.</span></div><div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5"> 167</a></span> <span class="key
word">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5">unsetenv</a>(<span class="keyword">const</span> std::string& key)</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5">::unsetenv</a>(key.c_str());</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// Erases the value associated with the specified key from the set of</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <spa
n class="comment">// environment variables.</span></div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="namespaceos.html#afe5b6cbeb92f2df4f8f6211d8b0c8be4"> 175</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceos.html#afe5b6cbeb92f2df4f8f6211d8b0c8be4">eraseenv</a>(<span class="keyword">const</span> std::string& key)</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">char</span> * value = <a class="code" href="namespaceos.html#add69634db977768c56f0367b4bb03cd5">::getenv</a>(key.c_str());</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// Erase the old value so that on Linux it can't be i
nspected through</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// /proc/$pid/environ.</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (value) {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  ::memset(value, <span class="charliteral">'\0'</span>, ::strlen(value));</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="namespaceos.html#a7471e14f4cbd7e23b5daa21e556f4eb5">::unsetenv</a>(key.c_str());</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div
class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// This function is a portable version of execvpe ('p' means searching</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment">// executable from PATH and 'e' means setting environments). We add</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// this function because it is not available on all systems.</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment">//</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// NOTE: This function is not thread safe. It is supposed to be used</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</sp
an> <span class="comment">// only after fork (when there is only one thread). This function is</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// async signal safe.</span></div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="namespaceos.html#a4cfd127336013491258ee10a8985e226"> 196</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespaceos.html#aebc3586b2be0d2b9093ccfbf25dfcde8">execvpe</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="namespacemesos_1_1uri.html#a0a3b30c1eb427c4053aaef120b1f453c">file</a>, <span class="keywordtype">char</span>** argv, <span class="keywordtype">char</span>** envp)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span
class="keywordtype">char</span>** saved = <a class="code" href="namespaceos_1_1raw.html#aad2bd3acb3ca09c75a1a1db58075f9f4">os::raw::environment</a>();</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  *<a class="code" href="namespaceos_1_1raw.html#a255f9fd6996adf47571d24586f9ba8fe">os::raw::environmentp</a>() = envp;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">int</span> result = <a class="code" href="namespaceos.html#a0b80877b34088be8d5ba3eb9b0567ed7">execvp</a>(file, argv);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  *<a class="code" href="namespaceos_1_1raw.html#a255f9fd6996adf47571d24586f9ba
8fe">os::raw::environmentp</a>() = saved;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="namespaceos.html#ab9f08ced036cc5156a11a86090768bb5"> 210</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ab9f08ced036cc5156a11a86090768bb5">chmod</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>, <span class="keywordtype">int</span> <a
class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a>)</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#ab9f08ced036cc5156a11a86090768bb5">chmod</a>(path.c_str(), <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a>) < 0) {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> <a class="code
" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="namespaceos.html#accb0757a8d9eca48dd31c4c433d17cfd"> 220</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#accb0757a8d9eca48dd31c4c433d17cfd">mknod</a>(</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a8a35dd1
207a16dfa8b1d4163176d828c">mode_t</a> <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a>,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  dev_t <a class="code" href="namespaceos_1_1stat.html#a083c9ff4aefeba1a75a27e6a6d6e2a71">dev</a>)</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#accb0757a8d9eca48dd31c4c433d17cfd">mknod</a>(path.c_str(), <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a>, <a class="code" href="namespaceos_1_1stat.html#a083c9ff4aefeba1a75a27e6a6d6e2a71">dev</a>) < 0) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</
a>();</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// Suspends execution for the given duration.</span></div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137"> 234</a></span> <span class="keyword">inline</span> <a class="code" href="classTry
.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">sleep</a>(<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration)</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  timespec remaining;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  remaining.tv_sec = <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>(duration.<a class="code" href="classDuration.html#a31ebb8d92dc93914cb830d70753d802b">secs</a>());</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  remaining.tv_nsec =</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">static_cast<</span><span class="keywordtype">long</spa
n><span class="keyword">></span>((duration - <a class="code" href="classSeconds.html">Seconds</a>(remaining.tv_sec)).<a class="code" href="namespacens.html">ns</a>());</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">while</span> (nanosleep(&remaining, &remaining) == -1) {</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (errno == EINTR) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoEr
ror.html">ErrnoError</a>();</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// Returns the list of files that match the given (shell) pattern.</span></div><div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="namespac
eos.html#a781ae694650dd3c6addab2a383a8c422"> 254</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::list<std::string></a>> <a class="code" href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422">glob</a>(<span class="keyword">const</span> std::string& pattern)</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  glob_t g;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">int</span> <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">status</a> = <a class="code" href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422">::glob</a>(pattern.c_str(), GLOB_NOSORT, <span class="keyword">nullptr</span>, &g);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l
00259"></a><span class="lineno"> 259</span>  std::list<std::string> result;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (status != 0) {</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (status == GLOB_NOMATCH) {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> result; <span class="comment">// Empty list.</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l002
66"></a><span class="lineno"> 266</span>  }</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < g.gl_pathc; ++i) {</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  result.push_back(g.gl_pathv[i]);</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  globfree(&g); <span class="comment">// Best-effort free of dynamically allocated memory.</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="
line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// Returns the total number of cpus (cores).</span></div><div class="line"><a name="l00280"></a><span class="lineno"><a class="line" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd"> 280</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<long></a> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a>()</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> {</div><div class="line"><a name="l00282"></a><sp
an class="lineno"> 282</span>  <span class="keywordtype">long</span> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a> = sysconf(_SC_NPROCESSORS_ONLN);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (cpus < 0) {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a>;</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> }</div><div clas
s="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// Returns load struct with average system loads for the last</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// 1, 5 and 15 minutes respectively.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment">// Load values should be interpreted as usual average loads from</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// uptime(1).</span></div><div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b"> 295</a></span> <span class="keyword">inline</span> <a class="code" href
="classTry.html">Try<Load></a> <a class="code" href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">loadavg</a>()</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> {</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">double</span> loadArray[3];</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (getloadavg(loadArray, 3) == -1) {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">"Failed to determine system load averages"</span>);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><
span class="lineno"> 302</span>  <a class="code" href="structos_1_1Load.html">Load</a> load;</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  load.<a class="code" href="structos_1_1Load.html#ac65d8819bbf8201cfa6975d853061e93">one</a> = loadArray[0];</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  load.<a class="code" href="structos_1_1Load.html#acff27912cf063f465aaf72fbda6ad3a7">five</a> = loadArray[1];</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  load.<a class="code" href="structos_1_1Load.html#ac4a959c47204e8cd9e67930ac6b9bb63">fifteen</a> = loadArray[2];</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> load;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div><div cla
ss="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment">// Return the system information.</span></div><div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919"> 312</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<UTSInfo></a> <a class="code" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">uname</a>()</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> {</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">struct </span>utsname name;</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span
class="lineno"> 316</span>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">uname</a>(&name) < 0) {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="structos_1_1UTSInfo.html">UTSInfo</a> info;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a6d960255088be07cac7157b7cbe94cbf">sysname</a> = name.sysname;</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  info.<a class="code"
href="structos_1_1UTSInfo.html#a03dd23e9031a68b633dc6e405e32bab0">nodename</a> = name.nodename;</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  info.<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a> = name.release;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a0abdea1c2c12389c3413c006a186b0a4">version</a> = name.version;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a493fadfa45429ab755d01d02d2f8be17">machine</a> = name.machine;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> info;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </
div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// Overload of os::pids for filtering by groups and sessions.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">// A group / session id of 0 will fitler on the group / session ID</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// of the calling process.</span></div><div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="namespaceos.html#abdecf7ea8278e2d8b2110ecd2e8ca0ec"> 333</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::set<pid_t></a>> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">pids</a>(<a class="code" href="classOption.html">Option<pid_t></a> <a c
lass="code" href="structgroup.html">group</a>, <a class="code" href="classOption.html">Option<pid_t></a> session)</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> {</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (group.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>() && session.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">os::pids</a>();</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (group.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a
>() && group.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() < 0) {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Invalid group"</span>);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (session.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && session.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() < 0) {</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Invalid session"</span>);</div><div class="line"><a name="
l00341"></a><span class="lineno"> 341</span>  }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">const</span> <a class="code" href="classTry.html">Try<std::list<Process></a>> <a class="code" href="namespaceos.html#aa98ca8ac255e2b9c689979a1b40084d3">processes</a> = <a class="code" href="namespaceos.html#aa98ca8ac255e2b9c689979a1b40084d3">os::processes</a>();</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">if</span> (processes.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error<
/a>(processes.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// Obtain the calling process group / session ID when 0 is provided.</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (group.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && group.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == 0) {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  group = getpgid(0);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div><div class="line"><a
name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (session.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && session.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == 0) {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  session = getsid(0);</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  std::set<pid_t> result;</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> <a class="code" href="structos_1_1Process.html">Process</a>& <a class="code" href="namespaceprocess.html">process</a>, processes.<a cla
ss="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>()) {</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">// Group AND Session (intersection).</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (group.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && session.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (group.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == process.<a class="code" href="structos_1_1Process.html#a41f9befab165fd224ba2d829e7c35ba6">group</a> &&</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  process.<a class=
"code" href="structos_1_1Process.html#a688cf2d2f64d48fc510aa78a952c5ad4">session</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() &&</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  session.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == process.<a class="code" href="structos_1_1Process.html#a688cf2d2f64d48fc510aa78a952c5ad4">session</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>()) {</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  } <span class="keywordflow">else</span> <span class="k
eywordflow">if</span> (group.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && group.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == process.<a class="code" href="structos_1_1Process.html#a41f9befab165fd224ba2d829e7c35ba6">group</a>) {</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (session.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && process.<a class="code" href="structos_1_1Process.html#a688cf2d2f64d48fc510aa78a952c5ad4">session</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() &&</
div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  session.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() == process.<a class="code" href="structos_1_1Process.html#a688cf2d2f64d48fc510aa78a952c5ad4">session</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>()) {</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> result;</div><div class="lin
e"><a name="l00375"></a><span class="lineno"> 375</span> }</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// Creates a tar 'archive' with gzip compression, of the given 'path'.</span></div><div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="namespaceos.html#a30f836264363d7d7f0578fd0fb98ee36"> 379</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a30f836264363d7d7f0578fd0fb98ee36">tar</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>, <span class="keyword">const</span> std::string& archive)</div><div class="line"><a name="l00380"></a><span class="line
no"> 380</span> {</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <a class="code" href="classTry.html">Try<std::string></a> tarOut =</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="namespaceos.html#a0d86320d7799ea761599bc356c02a4fa">os::shell</a>(<span class="stringliteral">"tar %s %s %s"</span>, <span class="stringliteral">"-czf"</span>, archive.c_str(), path.c_str());</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (tarOut.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stri
ngliteral">"Failed to archive "</span> + path + <span class="stringliteral">": "</span> + tarOut.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> }</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment">// Return the OS release numbers.</span></div><div class="line"><a name="l00393"></a
><span class="lineno"><a class="line" href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506"> 393</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Version></a> <a class="code" href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506">release</a>()</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <a class="code" href="classTry.html">Try<UTSInfo></a> info = <a class="code" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">uname</a>();</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (info.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> <a class="code" href="classEr
ror.html">Error</a>(info.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordtype">int</span> major, minor, <a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a> = 0;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor">#ifndef __FreeBSD__</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// TODO(karya): Replace sscanf with Version::parse() once Version</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// starts supporting labels and build metadata.</span></div><div c
lass="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (::sscanf(</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  info-><a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>.c_str(),</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="stringliteral">"%d.%d.%d"</span>,</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  &major,</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  &minor,</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  &<a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a>) != 3) {</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return
</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to parse: "</span> + info-><a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// TODO(dforsyth): Handle FreeBSD patch versions (-pX).</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (::sscanf(info-><a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>.c_str(), <span class="stringliteral">"%d.%d-%*s"</span>, &major, &minor) != 2) {</div><div class="line"><a name="l00415"></a><span class
="lineno"> 415</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to parse: "</span> + info-><a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="structVersion.html">Version</a>(major, minor, patch);</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> }</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div><div class="line"><a name="l00422"
></a><span class="lineno"><a class="line" href="namespaceos.html#a547f04b42e472b2ff0070897010fac78"> 422</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespaceos.html#a547f04b42e472b2ff0070897010fac78">var</a>()</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> {</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> <span class="stringliteral">"/var"</span>;</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> }</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div><div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9"> 428</a></span> <span class="k
eyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(<span class="keywordtype">int</span> oldFd, <span class="keywordtype">int</span> newFd)</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> {</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(oldFd, newFd) == -1) {</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (errno == EINTR) {</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  } <span class="keywordflow">else</span> {</div><div class="line">
<a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> }</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div><div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="namespaceos.html#a07a766e0355221b949e5fe6fdfca63f2"> 441</a></span> <span class="keyword">inline</span> <a class="code" href=
"classTry.html">Try<std::string></a> <a class="code" href="namespaceos.html#a07a766e0355221b949e5fe6fdfca63f2">ptsname</a>(<span class="keywordtype">int</span> <a class="code" href="namespacemesos_1_1v1_1_1master.html">master</a>)</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> {</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// 'ptsname' is not thread safe. Therefore, we use mutex here to</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">// make this method thread safe.</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// TODO(jieyu): Consider using ptsname_r for linux.</span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keyword">static</span> std::mutex* mutex = <span class="keyword">new</span> s
td::mutex;</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">synchronized</span> (mutex) {</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* slavePath = <a class="code" href="namespaceos.html#a07a766e0355221b949e5fe6fdfca63f2">::ptsname</a>(master);</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (slavePath == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div><div class="line"><a name="l00453
"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> slavePath;</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> }</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div><div class="line"><a name="l00458"></a><span class="lineno"><a class="line" href="namespaceos.html#a2cc6177f60b8bd36990aab876a3c3c3f"> 458</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a2cc6177f60b8bd36990aab876a3c3c3f">setctty</a>(<span class="keywordtype">int</span> fd)</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> {</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <sp
an class="keywordflow">if</span> (ioctl(fd, TIOCSCTTY, <span class="keyword">nullptr</span>) == -1) {</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> }</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="comm
ent">// Update the window size for</span></div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// the terminal represented by fd.</span></div><div class="line"><a name="l00470"></a><span class="lineno"><a class="line" href="namespaceos.html#a788e763662cf01a30bcd06baa95332bb"> 470</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#a788e763662cf01a30bcd06baa95332bb">setWindowSize</a>(</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordtype">int</span> fd,</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> rows,</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">s
hort</span> columns)</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> {</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keyword">struct </span>winsize winsize;</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  winsize.ws_row = rows;</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  winsize.ws_col = columns;</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span> (ioctl(fd, TIOCSWINSZ, &winsize) != 0) {</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div><di
v class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> }</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment">// Returns a host-specific default for the `PATH` environment variable, based</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment">// on the configuration of the host.</span></div><div class="line"><a name="l00489"></a><span class="lineno"><a class="line" href="namespaceos.html#a05476e646f895fd2f27f0e449f86ff63"> 489</a
></span> <span class="keyword">inline</span> std::string <a class="code" href="namespaceos.html#a05476e646f895fd2f27f0e449f86ff63">host_default_path</a>()</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> {</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> <span class="stringliteral">"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"</span>;</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> }</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> } <span class="comment">// namespace os {</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">#endif // __STOUT_POSIX
_OS_HPP__</span></div><div class="ttc" id="namespaceos_html_a54f3320a4d6f88c14f80f5247aa879b9"><div class="ttname"><a href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">os::dup2</a></div><div class="ttdeci">Try< Nothing > dup2(int oldFd, int newFd)</div><div class="ttdef"><b>Definition:</b> os.hpp:428</div></div>
+<a href="posix_2os_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</sp
an></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="l
ine"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_POSIX_OS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_POSIX_OS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifdef __sun</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <sys/loadavg.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#define dirfd(dir) ((dir)->d_fd)</span></div><div class="line"><a name="l00020"></a><span class="linen
o"> 20</span> <span class="preprocessor">#ifndef NAME_MAX</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define NAME_MAX MAXNAMLEN</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif // NAME_MAX</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <fts.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif // __sun</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <glob.h></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor
">#include <grp.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <limits.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <netdb.h></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <pwd.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <signal.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#i
nclude <stdlib.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <utime.h></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <linux/version.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> 
<span class="preprocessor">#include <sys/sysinfo.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif // __linux__</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <sys/utsname.h></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <sys/wait.h></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <list></span></div><div class="line"><a name="l00050"></a><span
class="lineno"> 50</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <mutex></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <set></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <<a class="code" href
<TRUNCATED>
[4/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/subprocess__posix_8hpp_source.html
----------------------------------------------------------------------
diff --git a/content/api/latest/c++/subprocess__posix_8hpp_source.html b/content/api/latest/c++/subprocess__posix_8hpp_source.html
index aef6d20..1f4953b 100644
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+++ b/content/api/latest/c++/subprocess__posix_8hpp_source.html
@@ -52,7 +52,7 @@
<div class="title">subprocess_posix.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="subprocess__posix_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comm
ent">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><di
v class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __PROCESS_POSIX_SUBPROCESS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __PROCESS_POSIX_SUBPROCESS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <sys/prctl.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif // __linux__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00020"></
a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <glog/logging.h></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="subprocess_8hpp.html">process/subprocess.hpp</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="stout_2include_2stout_2check_8hpp.html">stout/check.hpp</a>>
</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="exit_8hpp.html">stout/exit.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="hashset_8hpp.html">stout/hashset.hpp</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div clas
s="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="none_8hpp.html">stout/none.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="os_8hpp.html">stout/os.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div><div class="line"><a name="l00038"></a><span clas
s="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="unreachable_8hpp.html">stout/unreachable.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="close_8hpp.html">stout/os/close.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2environment_8hpp.html">stout/os/environment.hpp</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="fcntl_8hpp.html">stout/os/fcntl.hpp</a>></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a
class="code" href="signals_8hpp.html">stout/os/signals.hpp</a>></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="strerror_8hpp.html">stout/os/strerror.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keywordtype">void</span> close(std::initializer_list<
int_fd> fds);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keywordtype">void</span> close(</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> <a class="code" href="namespaceprocess.html#afc6611c4913642642277b44447a16e55">Subprocess::IO::InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <a class="code" href="namespaceprocess.html#a882829822afa4f33b90aafc9c4ffa9af">Subprocess::IO::OutputFileDescriptors</a>& stdoutfds,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <a class="
code" href="namespaceprocess.html#a882829822afa4f33b90aafc9c4ffa9af">Subprocess::IO::OutputFileDescriptors</a>& stderrfds);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#af2f19b6f367cddc0c8283560a9cd9215"> 58</a></span> <span class="keyword">inline</span> <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> <a class="code" href="namespaceprocess_1_1internal.html#af2f19b6f367cddc0c8283560a9cd9215">defaultClone</a>(<span class="keyword">const</span> lambda::function<<span class="keywordtype">int</span>()>& func)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno">
60</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid = ::fork();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (pid == -1) {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pid == 0) {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Child.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  ::exit(func());</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABL
E</a>();</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Parent.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> pid;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// This function will invoke `os::cloexec` on all specified file</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <s
pan class="comment">// descriptors that are valid (i.e., not `None` and >= 0).</span></div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93"> 76</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93">cloexec</a>(</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html">InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stdoutfds,</div><div class="line"><a name=
"l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stderrfds)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classhashset.html">hashset<int></a> fds = {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse
</a>(-1),</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse</a>(-1),</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse</a>(-1),</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  stderrfds.<a class="code" href=
"structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">foreach</span> (<span class="keywordtype">int</span> fd, fds) {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (fd >= 0) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93">cloexec</a> = <a class="code" href="namespaceos.html#a7d71bda07a41304403b0e13aa47f0764">os::cloexec</a>(fd);</div><div class="line"><a name="l00093"></a><span cla
ss="lineno"> 93</span>  <span class="keywordflow">if</span> (cloexec.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(cloexec.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"
><a name="l00100"></a><span class="lineno"> 100</span> }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// The main entry of the child process.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// NOTE: This function has to be async signal safe.</span></div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009cafe0aad"> 106</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009caf
e0aad">childMain</a>(</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">char</span>** argv,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">char</span>** envp,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html">InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stdoutfds,</div><div class="li
ne"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stderrfds,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> blocking,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> pipes[2],</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::vector<Subprocess::ChildHook>& child_hooks)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Close parent's end of the pipes.</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span
>  <span class="keywordflow">if</span> (stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ::close(stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a4e3bf8416d952
46f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  ::close(stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ::close(stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c
631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Currently we will block the child's execution of the new process</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// until all the parent hooks (if any) have executed.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ::close(pipes[1]);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><
a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Redirect I/O for stdin/stdout/stderr.</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afcf80a6d91178952d107ad00b165752b">STDIN_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1
IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abd165ee6474b5b75bf075842fff13a04">STDOUT_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Close the copies. We need to make sure that we do
not close the</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// file descriptor assigned to stdin/stdout/stderr in case the</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// parent has closed stdin/stdout/stderr when calling this</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// function (in that case, a dup'ed file descriptor may have the</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// same file descriptor number as stdin/stdout/stderr).</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">//</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// We also need to ensure that we don't "
;double close" any file</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// descriptors in the case where one of stdinfds.read,</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// stdoutfds.write, or stdoutfds.write are equal.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afcf80a6d91178952d107ad00b165752b">STDIN_FILENO</a> &&</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a> !=
<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abd165ee6474b5b75bf075842fff13a04">STDOUT_FILENO</a> &&</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>) {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  ::close(stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (stdoutfds.<a class="code" href="structprocess_1_1Subproc
ess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afcf80a6d91178952d107ad00b165752b">STDIN_FILENO</a> &&</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abd165ee6474b5b75bf075842fff13a04">STDOUT_FILENO</a> &&</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a> &&</div><div class="line"><a name="l
00156"></a><span class="lineno"> 156</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>) {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  ::close(stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8h
pp.html#afcf80a6d91178952d107ad00b165752b">STDIN_FILENO</a> &&</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abd165ee6474b5b75bf075842fff13a04">STDOUT_FILENO</a> &&</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a> &&</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a
5dabb8e3008efd61ce42478f260b54ac">write</a> != stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a> &&</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a> != stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ::close(stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class
="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// Do a blocking read on the pipe until the parent signals us to</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// continue.</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">char</span> dummy;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a894c4d58faeee7675b9e7e8244de1386">ssize_t</a> length;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">while</span> ((length = ::<a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149
616181a10e9f39986f7f">read</a>(pipes[0], &dummy, <span class="keyword">sizeof</span>(dummy))) == -1 &&</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  errno == EINTR);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (length != <span class="keyword">sizeof</span>(dummy)) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(<span class="stringliteral">"Failed to synchronize with parent"</span>);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>
60; <span class="comment">// Now close the pipe as we don't need it anymore.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  ::close(pipes[0]);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// Run the child hooks.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> <a class="code" href="classprocess_1_1Subprocess_1_1ChildHook.html">Subprocess::ChildHook</a>& hook, child_hooks) {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="classTry.html">Try<Nothing></a> callback = hook();</div><div class="line"><a name="l00186"></a
><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// If the callback failed, we should abort execution.</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (callback.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(<span class="stringliteral">"Failed to execute Subprocess::ChildHook: "</span> + callback.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div><div class="line"><a name="
l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="namespaceos.html#aebc3586b2be0d2b9093ccfbf25dfcde8">os::execvpe</a>(path.c_str(), argv, envp);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="exit_8hpp.html#a637cd32ee4af0a5a1d1aea8a0d7f7564">SAFE_EXIT</a>(</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  errno, <span class="stringliteral">"Failed to os::execvpe on path '%s': %d"</span>, path.c_str(), errno);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line
"><a name="l00200"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#afe2c3a3ffdd0ee6fda82e198ece80a37"> 200</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<pid_t></a> <a class="code" href="namespaceprocess_1_1internal.html#afe2c3a3ffdd0ee6fda82e198ece80a37">cloneChild</a>(</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::vector<std::string> argv,</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option</a><std::map<std::string, std::string>>& <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">
environment</a>,</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option</a><lambda::function<</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a>(<span class="keyword">const</span> lambda::function<<span class="keywordtype">int</span>()>&)>>& _clone,</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">const</span> std::vector<Subprocess::ParentHook>& parent_hooks,</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> std::vector<Subprocess::ChildHook>& child_hooks,</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> 
<span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html">InputFileDescriptors</a> stdinfds,</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a> stdoutfds,</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a> stderrfds)</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// The real arguments that will be passed to 'os::execvpe'. We need</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</
span>  <span class="comment">// to construct them here before doing the clone as it might not be</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// async signal safe to perform the memory allocation.</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">char</span>** _argv = <span class="keyword">new</span> <span class="keywordtype">char</span>*[argv.size() + 1];</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < argv.size(); i++) {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  _argv[i] = (<span class="keywordtype">char</span>*) argv[i].c_str();</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div><div class="line"><a name="l00219"></a><span class
="lineno"> 219</span>  _argv[argv.size()] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Like above, we need to construct the environment that we'll pass</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// to 'os::execvpe' as it might not be async-safe to perform the</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// memory allocations.</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">char</span>** envp = <a class="code" href="namespaceos_1_1raw.html#aad2bd3acb3ca09c75a1a1db58075f9f4">os::raw::environment</a>();</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</s
pan> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">environment</a>.isSome()) {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// NOTE: We add 1 to the size for a `nullptr` terminator.</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  envp = <span class="keyword">new</span> <span class="keywordtype">char</span>*[<a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">environment</a>->size() + 1];</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a264
86cdba01ef1c80706b1e07e8a6d3f">index</a> = 0;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">const</span> std::string& key,</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> std::string& value, <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">environment</a>.get()) {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  std::string entry = key + <span class="stringliteral">"="</span> + value;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  envp[<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d
3f">index</a>] = <span class="keyword">new</span> <span class="keywordtype">char</span>[entry.size() + 1];</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  strncpy(envp[index], entry.c_str(), entry.size() + 1);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  ++<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  envp[<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div><div class="line"><a name="l00242"></a><span class="lineno">
242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// Determine the function to clone the child process. If the user</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// does not specify the clone function, we will use the default.</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  lambda::function<pid_t(const lambda::function<int()>&)> <a class="code" href="namespacens.html#a98bf4d9e11d546326250997a6493f835">clone</a> =</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  (_clone.isSome() ? _clone.get() : <a class="code" href="namespaceprocess_1_1internal.html#af2f19b6f367cddc0c8283560a9cd9215">defaultClone</a>);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno
"> 248</span>  <span class="comment">// Currently we will block the child's execution of the new process</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// until all the `parent_hooks` (if any) have executed.</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  std::array<int, 2> pipes;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> blocking = !parent_hooks.empty();</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// We assume this should not fail under reasonable conditions so we<
/span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// use CHECK.</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="classTry.html">Try<std::array<int, 2></a>> <a class="code" href="namespaceos.html#afefbea8a88b84bed66580372accb18a9">pipe</a> = <a class="code" href="namespaceos.html#afefbea8a88b84bed66580372accb18a9">os::pipe</a>();</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(pipe);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  pipes = pipe.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00260"></a><span
class="lineno"> 260</span>  }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Now, clone the child process.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid = <a class="code" href="namespacens.html#a98bf4d9e11d546326250997a6493f835">clone</a>(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  &<a class="code" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009cafe0aad">childMain</a>,</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  path,</div><div class="line"><a name="l
00266"></a><span class="lineno"> 266</span>  _argv,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  envp,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  stdinfds,</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  stdoutfds,</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  stderrfds,</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  blocking,</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  pipes.data(),</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  child_hooks));</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">delete</span>[] _argv;</div><div class="lin
e"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// Need to delete 'envp' if we had environment variables passed to</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// us and we needed to allocate the space.</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">environment</a>.isSome()) {</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  CHECK_NE(<a class="code" href="namespaceos_1_1raw.html#aad2bd3acb3ca09c75a1a1db58075f9f4">os::raw::environment</a>(), envp);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00282"></a
><span class="lineno"> 282</span>  <span class="comment">// We ignore the last 'envp' entry since it is nullptr.</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = 0; <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> < <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1396c5e3b0a179220de2792d74770ec2">environment</a>->size(); <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>++) {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">delete</span>[] envp[<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>];</div><div class="line"><a name="
l00285"></a><span class="lineno"> 285</span>  }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">delete</span>[] envp;</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (pid == -1) {</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Save the errno as 'close' below might overwrite it.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <a class="code" href="classErrnoError.html">ErrnoError</a> <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1
bd5d9870441236727">error</a>(<span class="stringliteral">"Failed to clone"</span>);</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  internal::close(stdinfds, stdoutfds, stderrfds);</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(pipes[0]);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(pipes[1]);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> 
;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// Close the child-ends of the file descriptors that are created by</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// this function.</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  internal::close({stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>, stdoutfds.<a class
="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>, stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>});</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(pipes[0]);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// Run the parent hooks.</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="
keywordflow">foreach</span> (<span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1ParentHook.html">Subprocess::ParentHook</a>& hook, parent_hooks) {</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="classTry.html">Try<Nothing></a> parentSetup = hook.<a class="code" href="structprocess_1_1Subprocess_1_1ParentHook.html#aaf9ff141314d619cd65cd8ec9320fb7d">parent_setup</a>(pid);</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// If the hook callback fails, we shouldn't proceed with the</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// execution and hence the child process should be killed.</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316
</span>  <span class="keywordflow">if</span> (parentSetup.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  LOG(WARNING)</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  << <span class="stringliteral">"Failed to execute Subprocess::ParentHook in parent for child '"</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  << pid << <span class="stringliteral">"': "</span> << parentSetup.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfd
c">os::close</a>(pipes[1]);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// Ensure the child is killed.</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="namespacecgroups.html#ab75e1e2d1be63eec907bf12306a7c8a7">::kill</a>(pid, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a1c2b5693161bbc9d516ef5d16c7b54f5">SIGKILL</a>);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="stringliteral">"Failed to execute Subprocess::Pa
rentHook in parent for child '"</span> +</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(pid) + <span class="stringliteral">"': "</span> + parentSetup.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">// Now that we've executed the parent hooks, we can signal the child to</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// continue by writing to the pipe.</s
pan></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordtype">char</span> dummy;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a894c4d58faeee7675b9e7e8244de1386">ssize_t</a> length;</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">while</span> ((length = ::<a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a66ff2d5af4db53227f787281c0765d8d">write</a>(pipes[1], &dummy, <span class="keyword">sizeof</span>(dummy))) == -1 &&</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  errno == EINTR);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <a class="code" href="
namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(pipes[1]);</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (length != <span class="keyword">sizeof</span>(dummy)) {</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// Ensure the child is killed.</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="namespacecgroups.html#ab75e1e2d1be63eec907bf12306a7c8a7">::kill</a>(pid, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a1c2b5693161bbc9d516ef5d16c7b54f5">SIGKILL</a>);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">re
turn</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to synchronize child process"</span>);</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">return</span> pid;</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> } <span class="comment">// namespace process {</span></div><div class
="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#endif // __PROCESS_POSIX_SUBPROCESS_HPP__</span></div><div class="ttc" id="namespaceos_html_a54f3320a4d6f88c14f80f5247aa879b9"><div class="ttname"><a href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">os::dup2</a></div><div class="ttdeci">Try< Nothing > dup2(int oldFd, int newFd)</div><div class="ttdef"><b>Definition:</b> os.hpp:428</div></div>
+<a href="subprocess__posix_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comm
ent">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><di
v class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __PROCESS_POSIX_SUBPROCESS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __PROCESS_POSIX_SUBPROCESS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <sys/prctl.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif // __linux__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00020"></
a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <glog/logging.h></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="subprocess_8hpp.html">process/subprocess.hpp</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="stout_2include_2stout_2check_8hpp.html">stout/check.hpp</a>>
</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="exit_8hpp.html">stout/exit.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="hashset_8hpp.html">stout/hashset.hpp</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div clas
s="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="none_8hpp.html">stout/none.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="os_8hpp.html">stout/os.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div><div class="line"><a name="l00038"></a><span clas
s="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="unreachable_8hpp.html">stout/unreachable.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="close_8hpp.html">stout/os/close.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2environment_8hpp.html">stout/os/environment.hpp</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="fcntl_8hpp.html">stout/os/fcntl.hpp</a>></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a
class="code" href="signals_8hpp.html">stout/os/signals.hpp</a>></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="strerror_8hpp.html">stout/os/strerror.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keywordtype">void</span> close(std::initializer_list<
int_fd> fds);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keywordtype">void</span> close(</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> <a class="code" href="namespaceprocess.html#afc6611c4913642642277b44447a16e55">Subprocess::IO::InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <a class="code" href="namespaceprocess.html#a882829822afa4f33b90aafc9c4ffa9af">Subprocess::IO::OutputFileDescriptors</a>& stdoutfds,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <a class="
code" href="namespaceprocess.html#a882829822afa4f33b90aafc9c4ffa9af">Subprocess::IO::OutputFileDescriptors</a>& stderrfds);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#af2f19b6f367cddc0c8283560a9cd9215"> 58</a></span> <span class="keyword">inline</span> <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> <a class="code" href="namespaceprocess_1_1internal.html#af2f19b6f367cddc0c8283560a9cd9215">defaultClone</a>(<span class="keyword">const</span> lambda::function<<span class="keywordtype">int</span>()>& func)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno">
60</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid = ::fork();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (pid == -1) {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pid == 0) {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Child.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  ::exit(func());</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABL
E</a>();</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Parent.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> pid;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// This function will invoke `os::cloexec` on all specified file</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <s
pan class="comment">// descriptors that are valid (i.e., not `None` and >= 0).</span></div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93"> 76</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93">cloexec</a>(</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html">InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stdoutfds,</div><div class="line"><a name=
"l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stderrfds)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classhashset.html">hashset<int></a> fds = {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse
</a>(-1),</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse</a>(-1),</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#abbbed1bc42634fa9092160b16be6ca7e">getOrElse</a>(-1),</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  stderrfds.<a class="code" href=
"structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">foreach</span> (<span class="keywordtype">int</span> fd, fds) {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (fd >= 0) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprocess_1_1internal.html#a345a534b82b79bf20333fb6faef43e93">cloexec</a> = <a class="code" href="namespaceos.html#a7d71bda07a41304403b0e13aa47f0764">os::cloexec</a>(fd);</div><div class="line"><a name="l00093"></a><span cla
ss="lineno"> 93</span>  <span class="keywordflow">if</span> (cloexec.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(cloexec.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"
><a name="l00100"></a><span class="lineno"> 100</span> }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// The main entry of the child process.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// NOTE: This function has to be async signal safe.</span></div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009cafe0aad"> 106</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009caf
e0aad">childMain</a>(</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">char</span>** argv,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">char</span>** envp,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html">InputFileDescriptors</a>& stdinfds,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stdoutfds,</div><div class="li
ne"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html">OutputFileDescriptors</a>& stderrfds,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> blocking,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> pipes[2],</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::vector<Subprocess::ChildHook>& child_hooks)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Close parent's end of the pipes.</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span
>  <span class="keywordflow">if</span> (stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ::close(stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#ab812da47364d793d9ec0471d3dc8c1bc">write</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a4e3bf8416d952
46f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  ::close(stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ::close(stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#ac4af678c
631a700d4be4410a250e3bce">read</a>.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Currently we will block the child's execution of the new process</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// until all the parent hooks (if any) have executed.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (blocking) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ::close(pipes[1]);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><
a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Redirect I/O for stdin/stdout/stderr.</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stdinfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1InputFileDescriptors.html#a0a3f315345ef7b7ee6f3f1d4d337854d">read</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#afcf80a6d91178952d107ad00b165752b">STDIN_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stdoutfds.<a class="code" href="structprocess_1_1Subprocess_1_1
IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abd165ee6474b5b75bf075842fff13a04">STDOUT_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(stderrfds.<a class="code" href="structprocess_1_1Subprocess_1_1IO_1_1OutputFileDescriptors.html#a5dabb8e3008efd61ce42478f260b54ac">write</a>, <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>) == -1 && errno == EINTR);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Close the copies. We need to make sure that we do
not close the</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// file descriptor assigned to stdin/stdout/stderr in case the</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// parent has closed stdin/stdout/stderr when calling this</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// function (in that case, a dup'ed file descriptor may have the</span></div><div class="line"><a name="l00143"></a><span class=
<TRUNCATED>
[3/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/synchronized_8hpp_source.html
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diff --git a/content/api/latest/c++/synchronized_8hpp_source.html b/content/api/latest/c++/synchronized_8hpp_source.html
index 2e4edd6..e51e827 100644
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+++ b/content/api/latest/c++/synchronized_8hpp_source.html
@@ -57,7 +57,7 @@
<div class="ttc" id="classSynchronized_html"><div class="ttname"><a href="classSynchronized.html">Synchronized</a></div><div class="ttdef"><b>Definition:</b> synchronized.hpp:27</div></div>
<div class="ttc" id="synchronized_8hpp_html_a9d854e5436a64744a231418cde397b05"><div class="ttname"><a href="synchronized_8hpp.html#a9d854e5436a64744a231418cde397b05">synchronized_wait</a></div><div class="ttdeci">void synchronized_wait(CV *cv, Lock *lock)</div><div class="ttdoc">Waits on the condition variable associated with &#39;lock&#39; which has already been synchronized. </div></div>
<div class="ttc" id="classSynchronized_html_aecbfeefc61737bdcc3f0c010cdb62c07"><div class="ttname"><a href="classSynchronized.html#aecbfeefc61737bdcc3f0c010cdb62c07">Synchronized::~Synchronized</a></div><div class="ttdeci">~Synchronized()</div><div class="ttdef"><b>Definition:</b> synchronized.hpp:36</div></div>
-<div class="ttc" id="namespaceos_html_a079aa1b108c567735620a14ea2a2e506"><div class="ttname"><a href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506">os::release</a></div><div class="ttdeci">Try< Version > release()</div><div class="ttdef"><b>Definition:</b> os.hpp:393</div></div>
+<div class="ttc" id="namespaceos_html_a079aa1b108c567735620a14ea2a2e506"><div class="ttname"><a href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506">os::release</a></div><div class="ttdeci">Try< Version > release()</div><div class="ttdef"><b>Definition:</b> os.hpp:399</div></div>
<div class="ttc" id="synchronized_8hpp_html_a4ec79edd13ce87b72eae3ba83b34ad14"><div class="ttname"><a href="synchronized_8hpp.html#a4ec79edd13ce87b72eae3ba83b34ad14">synchronized_get_pointer</a></div><div class="ttdeci">T * synchronized_get_pointer(T **t)</div><div class="ttdef"><b>Definition:</b> synchronized.hpp:78</div></div>
<div class="ttc" id="preprocessor_8hpp_html"><div class="ttname"><a href="preprocessor_8hpp.html">preprocessor.hpp</a></div></div>
</div><!-- fragment --></div><!-- contents -->
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diff --git a/content/api/latest/c++/system_8hpp_source.html b/content/api/latest/c++/system_8hpp_source.html
index bd2dd61..c04f4cf 100644
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+++ b/content/api/latest/c++/system_8hpp_source.html
@@ -69,10 +69,10 @@
<div class="ttc" id="structprocess_1_1http_1_1Request_html"><div class="ttname"><a href="structprocess_1_1http_1_1Request.html">process::http::Request</a></div><div class="ttdef"><b>Definition:</b> http.hpp:518</div></div>
<div class="ttc" id="structJSON_1_1Object_html"><div class="ttname"><a href="structJSON_1_1Object.html">JSON::Object</a></div><div class="ttdef"><b>Definition:</b> json.hpp:154</div></div>
<div class="ttc" id="structprocess_1_1http_1_1URL_html_af2d0454d281cfe79f382c0dbc91bc251"><div class="ttname"><a href="structprocess_1_1http_1_1URL.html#af2d0454d281cfe79f382c0dbc91bc251">process::http::URL::query</a></div><div class="ttdeci">hashmap< std::string, std::string > query</div><div class="ttdef"><b>Definition:</b> http.hpp:176</div></div>
-<div class="ttc" id="namespaceos_html_ad932e3876b339c61b03abc575ad3943b"><div class="ttname"><a href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">os::loadavg</a></div><div class="ttdeci">Try< Load > loadavg()</div><div class="ttdef"><b>Definition:</b> os.hpp:295</div></div>
+<div class="ttc" id="namespaceos_html_ad932e3876b339c61b03abc575ad3943b"><div class="ttname"><a href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">os::loadavg</a></div><div class="ttdeci">Try< Load > loadavg()</div><div class="ttdef"><b>Definition:</b> os.hpp:301</div></div>
<div class="ttc" id="classprocess_1_1metrics_1_1PullGauge_html"><div class="ttname"><a href="classprocess_1_1metrics_1_1PullGauge.html">process::metrics::PullGauge</a></div><div class="ttdef"><b>Definition:</b> pull_gauge.hpp:46</div></div>
<div class="ttc" id="namespaceprocess_html_a1455e1604a68bfe45564ec63c34a9653"><div class="ttname"><a href="namespaceprocess.html#a1455e1604a68bfe45564ec63c34a9653">process::TLDR</a></div><div class="ttdeci">std::string TLDR(const std::string &tldr)</div><div class="ttdef"><b>Definition:</b> help.hpp:69</div></div>
-<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:280</div></div>
+<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:286</div></div>
<div class="ttc" id="classTry_html_a6543d7d5db4f298bcd673bf3cd509acc"><div class="ttname"><a href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">Try::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> try.hpp:70</div></div>
<div class="ttc" id="classprocess_1_1System_html_aa53ed4afab23cf31a06ca813b0bffb4f"><div class="ttname"><a href="classprocess_1_1System.html#aa53ed4afab23cf31a06ca813b0bffb4f">process::System::~System</a></div><div class="ttdeci">virtual ~System()</div><div class="ttdef"><b>Definition:</b> system.hpp:57</div></div>
<div class="ttc" id="help_8hpp_html"><div class="ttname"><a href="help_8hpp.html">help.hpp</a></div></div>
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/usage_8hpp_source.html
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diff --git a/content/api/latest/c++/usage_8hpp_source.html b/content/api/latest/c++/usage_8hpp_source.html
index 33d5dc3..c1f687e 100644
--- a/content/api/latest/c++/usage_8hpp_source.html
+++ b/content/api/latest/c++/usage_8hpp_source.html
@@ -56,7 +56,7 @@
<div class="ttc" id="include_2mesos_2mesos_8hpp_html"><div class="ttname"><a href="include_2mesos_2mesos_8hpp.html">mesos.hpp</a></div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_ab03ced250ed239bc3b50b669493997f9"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a></div><div class="ttdeci">DWORD pid_t</div><div class="ttdef"><b>Definition:</b> windows.hpp:181</div></div>
<div class="ttc" id="namespacemesos_1_1internal_html_a91a5bc5e418e8712bb512721b5abc46d"><div class="ttname"><a href="namespacemesos_1_1internal.html#a91a5bc5e418e8712bb512721b5abc46d">mesos::internal::usage</a></div><div class="ttdeci">Try< ResourceStatistics > usage(pid_t pid, bool mem=true, bool cpus=true)</div></div>
-<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:280</div></div>
+<div class="ttc" id="namespaceos_html_afd08813156fea899c86b340d9767a8cd"><div class="ttname"><a href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">os::cpus</a></div><div class="ttdeci">Try< long > cpus()</div><div class="ttdef"><b>Definition:</b> os.hpp:286</div></div>
<div class="ttc" id="namespacemesos_html"><div class="ttname"><a href="namespacemesos.html">mesos</a></div><div class="ttdef"><b>Definition:</b> spec.hpp:30</div></div>
<div class="ttc" id="namespaceinternal_html"><div class="ttname"><a href="namespaceinternal.html">internal</a></div><div class="ttdef"><b>Definition:</b> attributes.hpp:24</div></div>
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[7/7] mesos-site git commit: Updated the website built from mesos
SHA: abef725.
Posted by gi...@apache.org.
Updated the website built from mesos SHA: abef725.
Project: http://git-wip-us.apache.org/repos/asf/mesos-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/mesos-site/commit/4b928319
Tree: http://git-wip-us.apache.org/repos/asf/mesos-site/tree/4b928319
Diff: http://git-wip-us.apache.org/repos/asf/mesos-site/diff/4b928319
Branch: refs/heads/asf-site
Commit: 4b92831959c512aa93a803cfcc775c73e5cf7e24
Parents: 0df7420
Author: jenkins <bu...@apache.org>
Authored: Mon Jun 11 22:56:06 2018 +0000
Committer: jenkins <bu...@apache.org>
Committed: Mon Jun 11 22:56:06 2018 +0000
----------------------------------------------------------------------
..._2include_2stout_2posix_2fs_8hpp_source.html | 2 +-
content/api/latest/c++/encoder_8hpp_source.html | 2 +-
...ss_2include_2process_2gtest_8hpp_source.html | 2 +-
content/api/latest/c++/load_8hpp_source.html | 2 +-
content/api/latest/c++/os_8hpp_source.html | 2 +-
.../api/latest/c++/posix_2os_8hpp_source.html | 36 ++++++++++----------
...ator_2sorter_2random_2utils_8hpp_source.html | 2 +-
.../c++/src_2tests_2mesos_8hpp_source.html | 2 +-
...out_2os_2windows_2jobobject_8hpp_source.html | 2 +-
.../c++/subprocess__posix_8hpp_source.html | 2 +-
.../latest/c++/synchronized_8hpp_source.html | 2 +-
content/api/latest/c++/system_8hpp_source.html | 4 +--
content/api/latest/c++/usage_8hpp_source.html | 2 +-
.../api/latest/c++/windows_2os_8hpp_source.html | 30 ++++++++--------
.../api/latest/c++/windows_2rm_8hpp_source.html | 2 +-
15 files changed, 47 insertions(+), 47 deletions(-)
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http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/3rdparty_2stout_2include_2stout_2posix_2fs_8hpp_source.html
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diff --git a/content/api/latest/c++/3rdparty_2stout_2include_2stout_2posix_2fs_8hpp_source.html b/content/api/latest/c++/3rdparty_2stout_2include_2stout_2posix_2fs_8hpp_source.html
index 56180cf..683b121 100644
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+++ b/content/api/latest/c++/3rdparty_2stout_2include_2stout_2posix_2fs_8hpp_source.html
@@ -67,7 +67,7 @@
<div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="classBytes_html"><div class="ttname"><a href="classBytes.html">Bytes</a></div><div class="ttdef"><b>Definition:</b> bytes.hpp:30</div></div>
-<div class="ttc" id="namespaceos_html_a781ae694650dd3c6addab2a383a8c422"><div class="ttname"><a href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422">os::glob</a></div><div class="ttdeci">Try< std::list< std::string > > glob(const std::string &pattern)</div><div class="ttdef"><b>Definition:</b> os.hpp:254</div></div>
+<div class="ttc" id="namespaceos_html_a781ae694650dd3c6addab2a383a8c422"><div class="ttname"><a href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422">os::glob</a></div><div class="ttdeci">Try< std::list< std::string > > glob(const std::string &pattern)</div><div class="ttdef"><b>Definition:</b> os.hpp:260</div></div>
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<hr class="footer"/><address class="footer"><small>
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/encoder_8hpp_source.html
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diff --git a/content/api/latest/c++/encoder_8hpp_source.html b/content/api/latest/c++/encoder_8hpp_source.html
index 43a12b7..4c967ca 100644
--- a/content/api/latest/c++/encoder_8hpp_source.html
+++ b/content/api/latest/c++/encoder_8hpp_source.html
@@ -124,7 +124,7 @@
<div class="ttc" id="namespaceprocess_html_a13d37773ca341b12d88d7e5cf2654e83"><div class="ttname"><a href="namespaceprocess.html#a13d37773ca341b12d88d7e5cf2654e83">process::GZIP_MINIMUM_BODY_LENGTH</a></div><div class="ttdeci">const uint32_t GZIP_MINIMUM_BODY_LENGTH</div><div class="ttdef"><b>Definition:</b> encoder.hpp:35</div></div>
<div class="ttc" id="namespacecgroups_1_1blkio_1_1cfq_html_abe4d7d69fdf7ca70fb30c6cd34a953e4"><div class="ttname"><a href="namespacecgroups_1_1blkio_1_1cfq.html#abe4d7d69fdf7ca70fb30c6cd34a953e4">cgroups::blkio::cfq::time</a></div><div class="ttdeci">Try< std::vector< Value > > time(const std::string &hierarchy, const std::string &cgroup)</div></div>
<div class="ttc" id="classprocess_1_1Encoder_html_a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246"><div class="ttname"><a href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246">process::Encoder::FILE</a></div><div class="ttdef"><b>Definition:</b> encoder.hpp:47</div></div>
-<div class="ttc" id="namespaceos_html_a5e0295f0e3bae2bd29d86803f9293b5d"><div class="ttname"><a href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">os::gmtime_r</a></div><div class="ttdeci">tm * gmtime_r(const time_t *timep, tm *result)</div><div class="ttdef"><b>Definition:</b> os.hpp:398</div></div>
+<div class="ttc" id="namespaceos_html_a5e0295f0e3bae2bd29d86803f9293b5d"><div class="ttname"><a href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">os::gmtime_r</a></div><div class="ttdeci">tm * gmtime_r(const time_t *timep, tm *result)</div><div class="ttdef"><b>Definition:</b> os.hpp:401</div></div>
<div class="ttc" id="classprocess_1_1FileEncoder_html_a25204db3e56d1089156b5954f3ca973b"><div class="ttname"><a href="classprocess_1_1FileEncoder.html#a25204db3e56d1089156b5954f3ca973b">process::FileEncoder::~FileEncoder</a></div><div class="ttdeci">virtual ~FileEncoder()</div><div class="ttdef"><b>Definition:</b> encoder.hpp:246</div></div>
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http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/libprocess_2include_2process_2gtest_8hpp_source.html
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diff --git a/content/api/latest/c++/libprocess_2include_2process_2gtest_8hpp_source.html b/content/api/latest/c++/libprocess_2include_2process_2gtest_8hpp_source.html
index 9c8e71d..7784499 100644
--- a/content/api/latest/c++/libprocess_2include_2process_2gtest_8hpp_source.html
+++ b/content/api/latest/c++/libprocess_2include_2process_2gtest_8hpp_source.html
@@ -62,7 +62,7 @@
<div class="ttc" id="classprocess_1_1Future_html_aa78977d3b585a5f5ccd682c1e9e2ddc4"><div class="ttname"><a href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">process::Future::get</a></div><div class="ttdeci">const T & get() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1297</div></div>
<div class="ttc" id="namespacestrings_html_ac315a6174f56cba0d8295f84da265416"><div class="ttname"><a href="namespacestrings.html#ac315a6174f56cba0d8295f84da265416">strings::join</a></div><div class="ttdeci">std::stringstream & join(std::stringstream &stream, const std::string &separator, T &&...args)</div><div class="ttdef"><b>Definition:</b> strings.hpp:307</div></div>
<div class="ttc" id="structprocess_1_1http_1_1Response_html_a8fcbd2073ace160af24a9ee531cb4378"><div class="ttname"><a href="structprocess_1_1http_1_1Response.html#a8fcbd2073ace160af24a9ee531cb4378">process::http::Response::status</a></div><div class="ttdeci">std::string status</div><div class="ttdef"><b>Definition:</b> http.hpp:621</div></div>
-<div class="ttc" id="namespaceos_html_ab2b826c68a25af9e9ef47c570c36e137"><div class="ttname"><a href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">os::sleep</a></div><div class="ttdeci">Try< Nothing > sleep(const Duration &duration)</div><div class="ttdef"><b>Definition:</b> os.hpp:234</div></div>
+<div class="ttc" id="namespaceos_html_ab2b826c68a25af9e9ef47c570c36e137"><div class="ttname"><a href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137">os::sleep</a></div><div class="ttdeci">Try< Nothing > sleep(const Duration &duration)</div><div class="ttdef"><b>Definition:</b> os.hpp:240</div></div>
<div class="ttc" id="classprocess_1_1http_1_1Headers_html_ace314043b5f44f854097d321246a26c0"><div class="ttname"><a href="classprocess_1_1http_1_1Headers.html#ace314043b5f44f854097d321246a26c0">process::http::Headers::get</a></div><div class="ttdeci">Result< T > get() const </div><div class="ttdef"><b>Definition:</b> http.hpp:487</div></div>
<div class="ttc" id="os_8hpp_html"><div class="ttname"><a href="os_8hpp.html">os.hpp</a></div></div>
<div class="ttc" id="classprocess_1_1Future_html_a49b738b9755c0623a57e575ae2fb6431"><div class="ttname"><a href="classprocess_1_1Future.html#a49b738b9755c0623a57e575ae2fb6431">process::Future::await</a></div><div class="ttdeci">bool await(const Duration &duration=Seconds(-1)) const </div><div class="ttdef"><b>Definition:</b> future.hpp:1263</div></div>
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/4b928319/content/api/latest/c++/load_8hpp_source.html
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<div class="ttc" id="classmesos_1_1internal_1_1slave_1_1LoadQoSController_html_a156809fe62a01c4385126404473650a5"><div class="ttname"><a href="classmesos_1_1internal_1_1slave_1_1LoadQoSController.html#a156809fe62a01c4385126404473650a5">mesos::internal::slave::LoadQoSController::initialize</a></div><div class="ttdeci">virtual Try< Nothing > initialize(const lambda::function< process::Future< ResourceUsage >()> &usage)</div></div>
<div class="ttc" id="slave_2qos__controller_8hpp_html"><div class="ttname"><a href="slave_2qos__controller_8hpp.html">qos_controller.hpp</a></div></div>
<div class="ttc" id="lambda_8hpp_html"><div class="ttname"><a href="lambda_8hpp.html">lambda.hpp</a></div></div>
-<div class="ttc" id="namespaceos_html_ad932e3876b339c61b03abc575ad3943b"><div class="ttname"><a href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">os::loadavg</a></div><div class="ttdeci">Try< Load > loadavg()</div><div class="ttdef"><b>Definition:</b> os.hpp:295</div></div>
+<div class="ttc" id="namespaceos_html_ad932e3876b339c61b03abc575ad3943b"><div class="ttname"><a href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b">os::loadavg</a></div><div class="ttdeci">Try< Load > loadavg()</div><div class="ttdef"><b>Definition:</b> os.hpp:301</div></div>
<div class="ttc" id="namespacemesos_1_1internal_html_a91a5bc5e418e8712bb512721b5abc46d"><div class="ttname"><a href="namespacemesos_1_1internal.html#a91a5bc5e418e8712bb512721b5abc46d">mesos::internal::usage</a></div><div class="ttdeci">Try< ResourceStatistics > usage(pid_t pid, bool mem=true, bool cpus=true)</div></div>
<div class="ttc" id="namespacemesos_html"><div class="ttname"><a href="namespacemesos.html">mesos</a></div><div class="ttdef"><b>Definition:</b> spec.hpp:30</div></div>
<div class="ttc" id="classmesos_1_1internal_1_1slave_1_1LoadQoSController_html"><div class="ttname"><a href="classmesos_1_1internal_1_1slave_1_1LoadQoSController.html">mesos::internal::slave::LoadQoSController</a></div><div class="ttdef"><b>Definition:</b> load.hpp:44</div></div>
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<div class="ttc" id="chroot_8hpp_html"><div class="ttname"><a href="chroot_8hpp.html">chroot.hpp</a></div></div>
<div class="ttc" id="stout_2include_2stout_2os_2process_8hpp_html"><div class="ttname"><a href="stout_2include_2stout_2os_2process_8hpp.html">process.hpp</a></div></div>
<div class="ttc" id="namespaceos_1_1libraries_1_1Library_html_a0be33f2af5cb384f4d110fb8b6f09a30"><div class="ttname"><a href="namespaceos_1_1libraries_1_1Library.html#a0be33f2af5cb384f4d110fb8b6f09a30">os::libraries::Library::ldPathEnvironmentVariable</a></div><div class="ttdeci">constexpr const char * ldPathEnvironmentVariable</div><div class="ttdef"><b>Definition:</b> os.hpp:116</div></div>
-<div class="ttc" id="namespaceos_html_afc96a896b632cb0942b317a1f8543919"><div class="ttname"><a href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">os::uname</a></div><div class="ttdeci">Try< UTSInfo > uname()</div><div class="ttdef"><b>Definition:</b> os.hpp:312</div></div>
+<div class="ttc" id="namespaceos_html_afc96a896b632cb0942b317a1f8543919"><div class="ttname"><a href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">os::uname</a></div><div class="ttdeci">Try< UTSInfo > uname()</div><div class="ttdef"><b>Definition:</b> os.hpp:318</div></div>
<div class="ttc" id="classTry_html_aec4a11ddd3c036e889d90b7eb6258ba7"><div class="ttname"><a href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">Try::error</a></div><div class="ttdeci">static Try error(const E &e)</div><div class="ttdef"><b>Definition:</b> try.hpp:42</div></div>
<div class="ttc" id="kill_8hpp_html"><div class="ttname"><a href="kill_8hpp.html">kill.hpp</a></div></div>
<div class="ttc" id="pagesize_8hpp_html"><div class="ttname"><a href="pagesize_8hpp.html">pagesize.hpp</a></div></div>