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[41/51] [partial] mesos-site git commit: Updated the website built
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http://git-wip-us.apache.org/repos/asf/mesos-site/blob/7fd1c58b/content/api/latest/c++/async_8hpp_source.html
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<div class="title">async.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="async_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">//</spa
n></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="lin
e"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __ASYNC_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __ASYNC_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 <type_traits></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 <<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div><div class="line"><a n
ame="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <<a class="code" href="id_8hpp.html">process/id.hpp</a>></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="
preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="preprocessor_8hpp.html">stout/preprocessor.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="result__of_8hpp.html">stout/result_of.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Provides an abstraction for as
ynchronously executing a function</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// (note the declarations are here and definitions below since</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// defining and declaring below will require defining the default</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// argument when declaring these as friends in AsyncExecutor which is</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// brittle).</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00038"></a
><span class="lineno"> 38</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">Future<typename result_of<F()>::type</a>> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> F& <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comm
ent">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> Future<Nothing> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e26
42db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</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">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> a
sync( \</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr); </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00056"></a><span
class="lineno"> 56</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> Future<Nothing> async( \</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</spa
n> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr); // NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63"> 63</a></span>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#undef TEMPLATE</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66
</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// TODO(vinod): Merge this into ExecutorProcess.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">class </span>AsyncExecutorProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">Process</a><AsyncExecutorProcess></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>;</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>  AsyncExecutorProcess() : <a class="code" href="classprocess_1_1ProcessBase.html">ProcessBase</a>(<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">ID::generate</a>(<span class="stringliteral">"__async_executor__"</span>)) {}</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">virtual</span> ~AsyncExecutorProcess() {}</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="comment">// Not copyable, not assignable.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  AsyncExecutorProcess(<span class="keyword">const</span> AsyncExecutorProcess&);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  AsyncExecutorProcess& operator=(<s
pan class="keyword">const</span> AsyncExecutorProcess&);</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="keyword">template</span> <</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typename</span> F,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">typename</span> std::enable_if<</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  !<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void<typename result_of<F()>::type</a>>::value, <span class="keywordtype">int</span>><a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0></div><div class="line"><a name="l0008
4"></a><span class="lineno"> 84</span>  <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of<F()>::type</a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F& f)</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>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div><div class="line"><a name="l000
88"></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="keyword">template</span> <</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">typename</span> F,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">typename</span> std::enable_if<</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void<typename result_of<F()>::type</a>>::value, <span class="keywordtype">int</span>>::type = 0></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="structNothing.html">Nothing</a> <a class
="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F& f)</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>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</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="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> template < \</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> typename F, \</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"> typename std::enable_if<
\</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> !std::is_void< \</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type>::value, \</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> int>::type = 0> \</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type execute( \</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> const F& f, ENUM_BINARY_PARAMS(N, A, a)) \</span>
</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"> return f(ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">
\</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"> template < \</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"> typename F, \</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"> typename std::enable_if< \</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor"> std::is_void< \</span></div><div c
lass="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type>::value, \</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"> int>::type = 0> \</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor"> Nothing execute( \</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"> const F& f, ENUM_BINARY_PARAMS(N, A, a)) \</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l0
0126"></a><span class="lineno"> 126</span> <span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"> f(ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"> return Nothing(); \</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13,
<a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#undef TEMPLATE</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> </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="comment">// This is a wrapper around AsyncExecutorProcess.</span></div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classprocess_1_1AsyncExecutor.html"> 137</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a></div><div class="line"><a name="l00138"></a><span c
lass="lineno"> 138</span> {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// Declare async functions as friends.</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future<typename result_of<F()>::type</a>> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00144"></a><span class="lineno"> 1
44</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future<Nothing></a> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div
class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <spa
n class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"> friend Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> async( \</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type*); </span><span class="comment">/* NOLINT(whitespace/line_length)
*/</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"> friend Future<Nothing> async( \</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a),
\</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type*); // NOLINT(whitespace/line_length)</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>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#undef TEMPLATE</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>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>()</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="namespaceprocess.html">process</a> = <a class="code" href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">spawn</a>(<span class="keyword">new</span> AsyncExecutorProcess(), <span class="keyword">true</span>); <span class="comment">// Automatically GC.</span></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>  <span class="keyword">virtual</span> ~<a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>() {}</div><div class="line"><a name="l00173"></a><span class="line
no"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// Not copyable, not assignable.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>& operator=(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&);</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>  <span class="keyword">template</span> <<span class="keyword">typename</span> F>
</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classprocess_1_1Future.html">Future<typename result_of<F()>::type</a>> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>) <span class="comment">// NOLINT(whitespace/line_length)</span></div><div c
lass="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">// Need to disambiguate overloaded method.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of<F()>::type</a>(AsyncExecutorProcess::*method)(<span class="keyword">const</span> F&) =</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  &AsyncExecutorProcess::execute<F>;</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="keywordflow">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a
>(<a class="code" href="namespaceprocess.html">process</a>, method, f);</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> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classprocess_1_1Future.html">Future<Nothing></a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="ke
yword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>) <span class="comment">// NOLINT(whitespace/line_length)</span></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>  <span class="comment">// Need to disambiguate overloaded method.</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="structNothing.html">Nothing</a>(AsyncExecutorProcess::*method)(<span class="keyword">const</span> F&) =</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  &AsyncExecutorProcess::execute<F>;</div><div class="line"><a n
ame="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a>(<a class="code" href="namespaceprocess.html">process</a>, method, f);</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</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="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span cla
ss="preprocessor"> Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> execute( \</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor"> {
\</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor"> </span><span class="comment">/* Need to disambiguate overloaded method. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type(AsyncExecutorProcess::*method)(const F&, ENUM_PARAMS(N, A)) = </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"> &AsyncExecutorProcess::execute<F, ENUM_PARAMS(N, A)>; \</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">
\</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"> return dispatch(process, method, f, ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"> Future<Nothing> execute( \</span>
</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00222"></a><span class="lineno">
222</span> <span class="preprocessor"> </span><span class="comment">/* Need to disambiguate overloaded method. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"> Nothing(AsyncExecutorProcess::*method)(const F&, ENUM_PARAMS(N, A)) = \</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor"> &AsyncExecutorProcess::execute<F, ENUM_PARAMS(N, A)>; \</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"> return dispatch(process, method, f, ENUM_PARAMS(N, a)); \</span></div><div class="line"><a na
me="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor"> }</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>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#undef TEMPLATE</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>  <a class="code" href="structprocess_1_1PID.html">PID<AsyncExecutorProcess></a> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>;</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> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// Provides an abstraction for asynchronously executing a function.</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a"> 238</a></span> <a class="code" href="classprocess_1_1Future.html">Future<typename result_of<F()>::type</a>> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00239"></a><spa
n class="lineno"> 239</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*) <span class="comment">// NOLINT(whitespace/line_length)</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>  <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>().execute(f);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div><div class="li
ne"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00247"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a9a7ae46e9f2d15e3fcd2bff8c87204c9"> 247</a></span> <a class="code" href="classprocess_1_1Future.html">Future<Nothing></a> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="keyword">typename</span> result_of<F()&
gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*) <span class="comment">// NOLINT(whitespace/line_length)</span></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="keywordflow">return</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>().execute(f);</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> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2"> 255</a></s
pan> <span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor"> Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> async( \</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="prepr
ocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type*) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor"> return AsyncExecutor().execute(f, ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">
\</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"> Future<Nothing> async( \</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>:
:type>::value>::type*) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor"> return AsyncExecutor().execute(f, ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE<
/a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#undef TEMPLATE</span></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> } <span class="comment">// namespace process {</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="preprocessor">#endif // __ASYNC_HPP__</span></div><div class="ttc" id="namespaceprocess_1_1ID_html_aeb11a48c9def1da169d8455a30d0ee39"><div class="ttname"><a href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">process::ID::generate</a></div><div class="ttdeci">std::string generate(const std::string &prefix="")</div><div class="ttdoc">Returns &#39;prefix(N)&#39; wh
ere N represents the number of instances where the same prefix (wrt...</div></div>
+<a href="async_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">//</spa
n></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="lin
e"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __ASYNC_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __ASYNC_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 <type_traits></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 <<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div><div class="line"><a n
ame="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <<a class="code" href="id_8hpp.html">process/id.hpp</a>></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="
preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="preprocessor_8hpp.html">stout/preprocessor.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="result__of_8hpp.html">stout/result_of.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Provides an abstraction for as
ynchronously executing a function</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// (note the declarations are here and definitions below since</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// defining and declaring below will require defining the default</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// argument when declaring these as friends in AsyncExecutor which is</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// brittle).</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00038"></a
><span class="lineno"> 38</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">Future<typename result_of<F()>::type</a>> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> F& <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comm
ent">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> Future<Nothing> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e26
42db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</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">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> a
sync( \</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr); </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00056"></a><span
class="lineno"> 56</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> Future<Nothing> async( \</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</spa
n> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type* = nullptr); // NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63"> 63</a></span>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#undef TEMPLATE</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66
</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// TODO(vinod): Merge this into ExecutorProcess.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">class </span>AsyncExecutorProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">Process</a><AsyncExecutorProcess></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>;</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>  AsyncExecutorProcess() : <a class="code" href="classprocess_1_1ProcessBase.html">ProcessBase</a>(<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">ID::generate</a>(<span class="stringliteral">"__async_executor__"</span>)) {}</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ~AsyncExecutorProcess()<span class="keyword"> override </span>{}</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="comment">// Not copyable, not assignable.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  AsyncExecutorProcess(<span class="keyword">const</span> AsyncExecutorProcess&);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  AsyncExecutorProcess& operator=(<
span class="keyword">const</span> AsyncExecutorProcess&);</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="keyword">template</span> <</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typename</span> F,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">typename</span> std::enable_if<</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  !<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void<typename result_of<F()>::type</a>>::value, <span class="keywordtype">int</span>><a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0></div><div class="line"><a name="l000
84"></a><span class="lineno"> 84</span>  <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of<F()>::type</a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F& f)</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>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div><div class="line"><a name="l00
088"></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="keyword">template</span> <</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">typename</span> F,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">typename</span> std::enable_if<</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void<typename result_of<F()>::type</a>>::value, <span class="keywordtype">int</span>>::type = 0></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="structNothing.html">Nothing</a> <a clas
s="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F& f)</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>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</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="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> template < \</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> typename F, \</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"> typename std::enable_if<
\</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> !std::is_void< \</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type>::value, \</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> int>::type = 0> \</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type execute( \</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> const F& f, ENUM_BINARY_PARAMS(N, A, a)) \</span
></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"> return f(ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">
\</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"> template < \</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"> typename F, \</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"> typename std::enable_if< \</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor"> std::is_void< \</span></div><div
class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"> typename result_of<F(ENUM_PARAMS(N, A))>::type>::value, \</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"> int>::type = 0> \</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor"> Nothing execute( \</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"> const F& f, ENUM_BINARY_PARAMS(N, A, a)) \</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l
00126"></a><span class="lineno"> 126</span> <span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"> f(ENUM_PARAMS(N, a)); \</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"> return Nothing(); \</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13,
<a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#undef TEMPLATE</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> </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="comment">// This is a wrapper around AsyncExecutorProcess.</span></div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classprocess_1_1AsyncExecutor.html"> 137</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a></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="keyword">private</span>:</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// Declare async functions as friends.</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future<typename result_of<F()>::type</a>> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00144"></a><span class="lineno">
144</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future<Nothing></a> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div><div
class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <sp
an class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"> friend Future<typename result_of<F(ENUM_PARAMS(N, A))>::type> async( \</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"> typename std::enable_if<!std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type*); </span><span class="comment">/* NOLINT(whitespace/line_length
) */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> \</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> template <typename F, ENUM_PARAMS(N, typename A)> \</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"> friend Future<Nothing> async( \</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"> const F& f, \</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a),
\</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"> typename std::enable_if<std::is_void<typename result_of<F(ENUM_PARAMS(N, A))>::type>::value>::type*); // NOLINT(whitespace/line_length)</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>  <a class="code" href="namespaceprocess.html#a4093b842d501fdddd4b2586e66c3db63">REPEAT_FROM_TO</a>(1, 13, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -> A11.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#undef TEMPLATE</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>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>()</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="namespaceprocess.html">process</a> = <a class="code" href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">spawn</a>(<span class="keyword">new</span> AsyncExecutorProcess(), <span class="keyword">true</span>); <span class="comment">// Automatically GC.</span></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>  <span class="keyword">virtual</span> ~<a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>() {}</div><div class="line"><a name="l00173"></a><span class="lin
eno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// Not copyable, not assignable.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>& operator=(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&);</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>  <span class="keyword">template</span> <<span class="keyword">typename</span> F>
;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classprocess_1_1Future.html">Future<typename result_of<F()>::type</a>> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">typename</span> std::enable_if<!std::is_void<<span class="keyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>>::value>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>) <span class="comment">// NOLINT(whitespace/line_length)</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">// Need to disambiguate overloaded method.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of<F()>::type</a>(AsyncExecutorProcess::*method)(<span class="keyword">const</span> F&) =</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  &AsyncExecutorProcess::execute<F>;</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="keywordflow">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</
a>(<a class="code" href="namespaceprocess.html">process</a>, method, f);</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> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> F></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classprocess_1_1Future.html">Future<Nothing></a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">const</span> F& f,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">typename</span> std::enable_if<std::is_void<<span class="k
eyword">typename</span> result_of<F()>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">
<TRUNCATED>