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Posted to commits@mesos.apache.org by gi...@apache.org on 2017/12/14 19:23:58 UTC
[2/3] mesos-site git commit: Updated the website built from mesos
SHA: ca67293.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/83a94dcf/content/api/latest/c++/posix_2os_8hpp_source.html
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diff --git a/content/api/latest/c++/posix_2os_8hpp_source.html b/content/api/latest/c++/posix_2os_8hpp_source.html
index 8156374..8e3caa0 100644
--- a/content/api/latest/c++/posix_2os_8hpp_source.html
+++ b/content/api/latest/c++/posix_2os_8hpp_source.html
@@ -268,312 +268,310 @@
<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> </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> <span class="comment">// Suspends execution for the given duration.</span></div>
-<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137"> 220</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="l00221"></a><span class="lineno"> 221</span> {</div>
-<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  timespec remaining;</div>
-<div class="line"><a name="l00223"></a><span class="lineno"> 223</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="l00224"></a><span class="lineno"> 224</span>  remaining.tv_nsec =</div>
-<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>((duration - <a class="code" href="classSeconds.html">Seconds</a>(remaining.tv_sec)).ns());</div>
-<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
-<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">while</span> (nanosleep(&remaining, &remaining) == -1) {</div>
-<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (errno == EINTR) {</div>
-<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">continue</span>;</div>
-<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  } <span class="keywordflow">else</span> {</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>  }</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="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div>
-<div class="line"><a name="l00236"></a><span class="lineno"> 236</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> </div>
-<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// Returns the list of files that match the given (shell) pattern.</span></div>
-<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422"> 240</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="l00241"></a><span class="lineno"> 241</span> {</div>
-<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  glob_t g;</div>
-<div class="line"><a name="l00243"></a><span class="lineno"> 243</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="l00217"></a><span class="lineno"> 217</span> <span class="comment">// Suspends execution for the given duration.</span></div>
+<div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="namespaceos.html#ab2b826c68a25af9e9ef47c570c36e137"> 218</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="l00219"></a><span class="lineno"> 219</span> {</div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  timespec remaining;</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</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="l00222"></a><span class="lineno"> 222</span>  remaining.tv_nsec =</div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>((duration - <a class="code" href="classSeconds.html">Seconds</a>(remaining.tv_sec)).ns());</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">while</span> (nanosleep(&remaining, &remaining) == -1) {</div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (errno == EINTR) {</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">continue</span>;</div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</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="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</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> </div>
+<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// Returns the list of files that match the given (shell) pattern.</span></div>
+<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="namespaceos.html#a781ae694650dd3c6addab2a383a8c422"> 238</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="l00239"></a><span class="lineno"> 239</span> {</div>
+<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  glob_t g;</div>
+<div class="line"><a name="l00241"></a><span class="lineno"> 241</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="l00242"></a><span class="lineno"> 242</span> </div>
+<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  std::list<std::string> result;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
-<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::list<std::string> result;</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>  <span class="keywordflow">if</span> (status != 0) {</div>
-<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (status == GLOB_NOMATCH) {</div>
-<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> result; <span class="comment">// Empty list.</span></div>
-<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</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"> 255</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="l00256"></a><span class="lineno"> 256</span>  result.push_back(g.gl_pathv[i]);</div>
-<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div>
+<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (status != 0) {</div>
+<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (status == GLOB_NOMATCH) {</div>
+<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> result; <span class="comment">// Empty list.</span></div>
+<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</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="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < g.gl_pathc; ++i) {</div>
+<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  result.push_back(g.gl_pathv[i]);</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> </div>
+<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  globfree(&g); <span class="comment">// Best-effort free of dynamically allocated memory.</span></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>  globfree(&g); <span class="comment">// Best-effort free of dynamically allocated memory.</span></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">return</span> result;</div>
-<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
-<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
-<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
-<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment">// Returns the total number of cpus (cores).</span></div>
-<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd"> 266</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="l00267"></a><span class="lineno"> 267</span> {</div>
-<div class="line"><a name="l00268"></a><span class="lineno"> 268</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="l00269"></a><span class="lineno"> 269</span> </div>
-<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (cpus < 0) {</div>
-<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</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>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a>;</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> </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">// Returns load struct with average system loads for the last</span></div>
-<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// 1, 5 and 15 minutes respectively.</span></div>
-<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// Load values should be interpreted as usual average loads from</span></div>
-<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// uptime(1).</span></div>
-<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b"> 281</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="l00282"></a><span class="lineno"> 282</span> {</div>
-<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">double</span> loadArray[3];</div>
-<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (getloadavg(loadArray, 3) == -1) {</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>(<span class="stringliteral">"Failed to determine system load averages"</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> </div>
-<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="structos_1_1Load.html">Load</a> load;</div>
-<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  load.<a class="code" href="structos_1_1Load.html#ac65d8819bbf8201cfa6975d853061e93">one</a> = loadArray[0];</div>
-<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  load.<a class="code" href="structos_1_1Load.html#acff27912cf063f465aaf72fbda6ad3a7">five</a> = loadArray[1];</div>
-<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  load.<a class="code" href="structos_1_1Load.html#ac4a959c47204e8cd9e67930ac6b9bb63">fifteen</a> = loadArray[2];</div>
-<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
-<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> load;</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> </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="comment">// Return the system information.</span></div>
-<div class="line"><a name="l00298"></a><span class="lineno"><a class="line" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919"> 298</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="l00299"></a><span class="lineno"> 299</span> {</div>
-<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">struct </span>utsname name;</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>  <span class="keywordflow">if</span> (::<a class="code" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">uname</a>(&name) < 0) {</div>
-<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
-<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</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>  <a class="code" href="structos_1_1UTSInfo.html">UTSInfo</a> info;</div>
-<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a6d960255088be07cac7157b7cbe94cbf">sysname</a> = name.sysname;</div>
-<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a03dd23e9031a68b633dc6e405e32bab0">nodename</a> = name.nodename;</div>
-<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  info.<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a> = name.release;</div>
-<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a0abdea1c2c12389c3413c006a186b0a4">version</a> = name.version;</div>
-<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a493fadfa45429ab755d01d02d2f8be17">machine</a> = name.machine;</div>
-<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> info;</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> </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="comment">// Overload of os::pids for filtering by groups and sessions.</span></div>
-<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// A group / session id of 0 will fitler on the group / session ID</span></div>
-<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// of the calling process.</span></div>
-<div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="namespaceos.html#abdecf7ea8278e2d8b2110ecd2e8ca0ec"> 319</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 class="code" href="structgroup.html">group</a>, <a class="code" href="classOption.html">Option<pid_t></a> session)</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="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="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">os::pids</a>();</div>
-<div class="line"><a name="l00323"></a><span class="lineno"> 323</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="l00324"></a><span class="lineno"> 324</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="l00325"></a><span class="lineno"> 325</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="l00326"></a><span class="lineno"> 326</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="l00327"></a><span class="lineno"> 327</span>  }</div>
+<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">return</span> 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> </div>
+<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
+<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// Returns the total number of cpus (cores).</span></div>
+<div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd"> 264</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="l00265"></a><span class="lineno"> 265</span> {</div>
+<div class="line"><a name="l00266"></a><span class="lineno"> 266</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="l00267"></a><span class="lineno"> 267</span> </div>
+<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (cpus < 0) {</div>
+<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
+<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#afd08813156fea899c86b340d9767a8cd">cpus</a>;</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> </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="comment">// Returns load struct with average system loads for the last</span></div>
+<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// 1, 5 and 15 minutes respectively.</span></div>
+<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// Load values should be interpreted as usual average loads from</span></div>
+<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// uptime(1).</span></div>
+<div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="namespaceos.html#ad932e3876b339c61b03abc575ad3943b"> 279</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="l00280"></a><span class="lineno"> 280</span> {</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">double</span> loadArray[3];</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (getloadavg(loadArray, 3) == -1) {</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</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="l00284"></a><span class="lineno"> 284</span>  }</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>  <a class="code" href="structos_1_1Load.html">Load</a> load;</div>
+<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  load.<a class="code" href="structos_1_1Load.html#ac65d8819bbf8201cfa6975d853061e93">one</a> = loadArray[0];</div>
+<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  load.<a class="code" href="structos_1_1Load.html#acff27912cf063f465aaf72fbda6ad3a7">five</a> = loadArray[1];</div>
+<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  load.<a class="code" href="structos_1_1Load.html#ac4a959c47204e8cd9e67930ac6b9bb63">fifteen</a> = loadArray[2];</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="keywordflow">return</span> load;</div>
+<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> }</div>
+<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </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="comment">// Return the system information.</span></div>
+<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919"> 296</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="l00297"></a><span class="lineno"> 297</span> {</div>
+<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">struct </span>utsname name;</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">if</span> (::<a class="code" href="namespaceos.html#afc96a896b632cb0942b317a1f8543919">uname</a>(&name) < 0) {</div>
+<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</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> </div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="structos_1_1UTSInfo.html">UTSInfo</a> info;</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a6d960255088be07cac7157b7cbe94cbf">sysname</a> = name.sysname;</div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a03dd23e9031a68b633dc6e405e32bab0">nodename</a> = name.nodename;</div>
+<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  info.<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a> = name.release;</div>
+<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a0abdea1c2c12389c3413c006a186b0a4">version</a> = name.version;</div>
+<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  info.<a class="code" href="structos_1_1UTSInfo.html#a493fadfa45429ab755d01d02d2f8be17">machine</a> = name.machine;</div>
+<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> info;</div>
+<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> }</div>
+<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </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">// Overload of os::pids for filtering by groups and sessions.</span></div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// A group / session id of 0 will fitler on the group / session ID</span></div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// of the calling process.</span></div>
+<div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="namespaceos.html#abdecf7ea8278e2d8b2110ecd2e8ca0ec"> 317</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 class="code" href="structgroup.html">group</a>, <a class="code" href="classOption.html">Option<pid_t></a> session)</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>  <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="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">os::pids</a>();</div>
+<div class="line"><a name="l00321"></a><span class="lineno"> 321</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="l00322"></a><span class="lineno"> 322</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="l00323"></a><span class="lineno"> 323</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="l00324"></a><span class="lineno"> 324</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="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="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="l00328"></a><span class="lineno"> 328</span> </div>
-<div class="line"><a name="l00329"></a><span class="lineno"> 329</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="l00330"></a><span class="lineno"> 330</span> </div>
-<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (processes.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
-<div class="line"><a name="l00332"></a><span class="lineno"> 332</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="l00333"></a><span class="lineno"> 333</span>  }</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="comment">// Obtain the calling process group / session ID when 0 is provided.</span></div>
-<div class="line"><a name="l00336"></a><span class="lineno"> 336</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="l00337"></a><span class="lineno"> 337</span>  group = getpgid(0);</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>  <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>  session = getsid(0);</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>  std::set<pid_t> result;</div>
-<div class="line"><a name="l00344"></a><span class="lineno"> 344</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="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>, processes.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>()) {</div>
-<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">// Group AND Session (intersection).</span></div>
-<div class="line"><a name="l00346"></a><span class="lineno"> 346</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="l00347"></a><span class="lineno"> 347</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="l00348"></a><span class="lineno"> 348</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="l00349"></a><span class="lineno"> 349</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="l00350"></a><span class="lineno"> 350</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</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>  } <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>() == process.<a class="code" href="structos_1_1Process.html#a41f9befab165fd224ba2d829e7c35ba6">group</a>) {</div>
-<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div>
-<div class="line"><a name="l00354"></a><span class="lineno"> 354</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="l00355"></a><span class="lineno"> 355</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="l00356"></a><span class="lineno"> 356</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div>
-<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
-<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
-<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
-<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> result;</div>
-<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> }</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> </div>
-<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// Creates a tar 'archive' with gzip compression, of the given 'path'.</span></div>
-<div class="line"><a name="l00365"></a><span class="lineno"><a class="line" href="namespaceos.html#a30f836264363d7d7f0578fd0fb98ee36"> 365</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& path, <span class="keyword">const</span> std::string& archive)</div>
-<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> {</div>
-<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <a class="code" href="classTry.html">Try<std::string></a> tarOut =</div>
-<div class="line"><a name="l00368"></a><span class="lineno"> 368</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="l00369"></a><span class="lineno"> 369</span> </div>
-<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (tarOut.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
-<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"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="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> <a class="code" href="structNothing.html">Nothing</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> </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">// Return the OS release numbers.</span></div>
-<div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506"> 379</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="l00380"></a><span class="lineno"> 380</span> {</div>
-<div class="line"><a name="l00381"></a><span class="lineno"> 381</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="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (info.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
-<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(info.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
-<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
-<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
-<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordtype">int</span> major, minor, <a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a> = 0;</div>
-<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#ifndef __FreeBSD__</span></div>
-<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="preprocessor"></span> <span class="comment">// TODO(karya): Replace sscanf with Version::parse() once Version</span></div>
-<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// starts supporting labels and build metadata.</span></div>
-<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (::sscanf(</div>
-<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  info.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>.c_str(),</div>
-<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="stringliteral">"%d.%d.%d"</span>,</div>
-<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  &major,</div>
-<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  &minor,</div>
-<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  &<a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a>) != 3) {</div>
-<div class="line"><a name="l00396"></a><span class="lineno"> 396</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="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</div>
-<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
-<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#else</span></div>
-<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="preprocessor"></span> <span class="comment">// TODO(dforsyth): Handle FreeBSD patch versions (-pX).</span></div>
-<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">if</span> (::sscanf(info.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<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="l00401"></a><span class="lineno"> 401</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="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</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> <span class="preprocessor">#endif</span></div>
-<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="structVersion.html">Version</a>(major, minor, patch);</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> </div>
-<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div>
-<div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="namespaceos.html#acdff0f297e3166c5a2ad4766f6ef9e9b"> 408</a></span> <span class="keyword">inline</span> <a class="code" href="classOption.html">Option<std::string></a> <a class="code" href="namespaceos.html#acdff0f297e3166c5a2ad4766f6ef9e9b">which</a>(</div>
-<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keyword">const</span> std::string& command,</div>
-<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& _path = <a class="code" href="structNone.html">None</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>  <a class="code" href="classOption.html">Option<std::string></a> path = _path;</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>  <span class="keywordflow">if</span> (path.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div>
-<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  path = <a class="code" href="namespaceos.html#add69634db977768c56f0367b4bb03cd5">getenv</a>(<span class="stringliteral">"PATH"</span>);</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="keywordflow">if</span> (path.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div>
-<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</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"> 422</span>  std::vector<std::string> tokens = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(path.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(), <span class="stringliteral">":"</span>);</div>
-<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> std::string& token, tokens) {</div>
-<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">const</span> std::string commandPath = <a class="code" href="namespacepath.html#aa86b16a2171cec90bb3337930513ef0f">path::join</a>(token, command);</div>
-<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a>(commandPath)) {</div>
-<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">continue</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"> 428</span> </div>
-<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <a class="code" href="classTry.html">Try<os::Permissions></a> <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">permissions</a> = <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">os::permissions</a>(commandPath);</div>
-<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
-<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">continue</span>;</div>
-<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
-<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> </div>
-<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (!permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#a8d51e62d281d015ba6a4ee38c0dceb9a">owner</a>.<a class="code" href="structos_1_1Permissions.html#afe509a1398f95df7d2bda5fbfaa91a44">x</a> &&</div>
-<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  !permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#aff088e7e48d02dea27b19d0983d49b69">group</a>.<a class="code" href="structos_1_1Permissions.html#afe509a1398f95df7d2bda5fbfaa91a44">x</a> &&</div>
-<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  !permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#ae14ff3a707c064967e132d47a5a116ff">others</a>.<a class="code" href="structos_1_1Permissions.html#afe509a1398f95df7d2bda5fbfaa91a44">x</a>) {</div>
-<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">continue</span>;</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>  <span class="keywordflow">return</span> commandPath;</div>
-<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</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="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</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> </div>
-<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
-<div class="line"><a name="l00447"></a><span class="lineno"><a class="line" href="namespaceos.html#a547f04b42e472b2ff0070897010fac78"> 447</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="l00448"></a><span class="lineno"> 448</span> {</div>
-<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <span class="stringliteral">"/var"</span>;</div>
-<div class="line"><a name="l00450"></a><span class="lineno"> 450</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"><a class="line" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9"> 453</a></span> <span class="keyword">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="l00454"></a><span class="lineno"> 454</span> {</div>
-<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespaceos.html#a54f3320a4d6f88c14f80f5247aa879b9">dup2</a>(oldFd, newFd) == -1) {</div>
-<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">if</span> (errno == EINTR) {</div>
-<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">continue</span>;</div>
-<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
-<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
-<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div>
-<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</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> </div>
-<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
-<div class="line"><a name="l00466"></a><span class="lineno"><a class="line" href="namespaceos.html#a07a766e0355221b949e5fe6fdfca63f2"> 466</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> master)</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="comment">// 'ptsname' is not thread safe. Therefore, we use mutex here to</span></div>
-<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">// make this method thread safe.</span></div>
-<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// TODO(jieyu): Consider using ptsname_r for linux.</span></div>
-<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keyword">static</span> std::mutex* mutex = <span class="keyword">new</span> std::mutex;</div>
-<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div>
-<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keyword">synchronized</span> (mutex) {</div>
-<div class="line"><a name="l00474"></a><span class="lineno"> 474</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="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (slavePath == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
-<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
-<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">return</span> slavePath;</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> }</div>
-<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
-<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div>
-<div class="line"><a name="l00483"></a><span class="lineno"><a class="line" href="namespaceos.html#a2cc6177f60b8bd36990aab876a3c3c3f"> 483</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="l00484"></a><span class="lineno"> 484</span> {</div>
-<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> (ioctl(fd, TIOCSCTTY, <span class="keyword">nullptr</span>) == -1) {</div>
-<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
-<div class="line"><a name="l00487"></a><span class="lineno"> 487</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>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</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> </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> <span class="comment">// Update the window size for</span></div>
-<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment">// the terminal represented by fd.</span></div>
-<div class="line"><a name="l00495"></a><span class="lineno"><a class="line" href="namespaceos.html#a788e763662cf01a30bcd06baa95332bb"> 495</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="l00496"></a><span class="lineno"> 496</span>  <span class="keywordtype">int</span> fd,</div>
-<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> rows,</div>
-<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> columns)</div>
-<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> {</div>
-<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">struct </span>winsize winsize;</div>
-<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  winsize.ws_row = rows;</div>
-<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  winsize.ws_col = columns;</div>
-<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div>
-<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (ioctl(fd, TIOCSWINSZ, &winsize) != 0) {</div>
-<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</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> </div>
-<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</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> </div>
-<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment">// Returns a host-specific default for the `PATH` environment variable, based</span></div>
-<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment">// on the configuration of the host.</span></div>
-<div class="line"><a name="l00514"></a><span class="lineno"><a class="line" href="namespaceos.html#a05476e646f895fd2f27f0e449f86ff63"> 514</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="l00515"></a><span class="lineno"> 515</span> {</div>
-<div class="line"><a name="l00516"></a><span class="lineno"> 516</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="l00517"></a><span class="lineno"> 517</span> }</div>
+<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> (processes.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</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="l00331"></a><span class="lineno"> 331</span>  }</div>
+<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
+<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Obtain the calling process group / session ID when 0 is provided.</span></div>
+<div class="line"><a name="l00334"></a><span class="lineno"> 334</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="l00335"></a><span class="lineno"> 335</span>  group = getpgid(0);</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>  <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="l00338"></a><span class="lineno"> 338</span>  session = getsid(0);</div>
+<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</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>  std::set<pid_t> result;</div>
+<div class="line"><a name="l00342"></a><span class="lineno"> 342</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="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>, processes.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>()) {</div>
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">// Group AND Session (intersection).</span></div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</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="l00345"></a><span class="lineno"> 345</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="l00346"></a><span class="lineno"> 346</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="l00347"></a><span class="lineno"> 347</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="l00348"></a><span class="lineno"> 348</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div>
+<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  }</div>
+<div class="line"><a name="l00350"></a><span class="lineno"> 350</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>() == process.<a class="code" href="structos_1_1Process.html#a41f9befab165fd224ba2d829e7c35ba6">group</a>) {</div>
+<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</div>
+<div class="line"><a name="l00352"></a><span class="lineno"> 352</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="l00353"></a><span class="lineno"> 353</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="l00354"></a><span class="lineno"> 354</span>  result.insert(process.<a class="code" href="structos_1_1Process.html#a8c68e0a8c8693f2acacf0f428ea0a493">pid</a>);</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> </div>
+<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> result;</div>
+<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> }</div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
+<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// Creates a tar 'archive' with gzip compression, of the given 'path'.</span></div>
+<div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="namespaceos.html#a30f836264363d7d7f0578fd0fb98ee36"> 363</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& path, <span class="keyword">const</span> std::string& archive)</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> {</div>
+<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="classTry.html">Try<std::string></a> tarOut =</div>
+<div class="line"><a name="l00366"></a><span class="lineno"> 366</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="l00367"></a><span class="lineno"> 367</span> </div>
+<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (tarOut.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
+<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"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="l00370"></a><span class="lineno"> 370</span>  }</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>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</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> </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> <span class="comment">// Return the OS release numbers.</span></div>
+<div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="namespaceos.html#a079aa1b108c567735620a14ea2a2e506"> 377</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="l00378"></a><span class="lineno"> 378</span> {</div>
+<div class="line"><a name="l00379"></a><span class="lineno"> 379</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="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (info.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
+<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(info.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
+<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</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="keywordtype">int</span> major, minor, <a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a> = 0;</div>
+<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor">#ifndef __FreeBSD__</span></div>
+<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor"></span> <span class="comment">// TODO(karya): Replace sscanf with Version::parse() once Version</span></div>
+<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// starts supporting labels and build metadata.</span></div>
+<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (::sscanf(</div>
+<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  info.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>.c_str(),</div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="stringliteral">"%d.%d.%d"</span>,</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  &major,</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  &minor,</div>
+<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  &<a class="code" href="namespacesvn.html#a018bb955e273aa2e6b6c950005ed6048">patch</a>) != 3) {</div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</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="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</div>
+<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div>
+<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor">#else</span></div>
+<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor"></span> <span class="comment">// TODO(dforsyth): Handle FreeBSD patch versions (-pX).</span></div>
+<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">if</span> (::sscanf(info.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<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="l00399"></a><span class="lineno"> 399</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="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1UTSInfo.html#aea5e6121d79c970b5abe84d9e2736663">release</a>);</div>
+<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div>
+<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor">#endif</span></div>
+<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="structVersion.html">Version</a>(major, minor, patch);</div>
+<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> }</div>
+<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
+<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
+<div class="line"><a name="l00406"></a><span class="lineno"><a class="line" href="namespaceos.html#acdff0f297e3166c5a2ad4766f6ef9e9b"> 406</a></span> <span class="keyword">inline</span> <a class="code" href="classOption.html">Option<std::string></a> <a class="code" href="namespaceos.html#acdff0f297e3166c5a2ad4766f6ef9e9b">which</a>(</div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">const</span> std::string& command,</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& _path = <a class="code" href="structNone.html">None</a>())</div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> {</div>
+<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="classOption.html">Option<std::string></a> path = _path;</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="keywordflow">if</span> (path.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div>
+<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  path = <a class="code" href="namespaceos.html#add69634db977768c56f0367b4bb03cd5">getenv</a>(<span class="stringliteral">"PATH"</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>  <span class="keywordflow">if</span> (path.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div>
+<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
+<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
+<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</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>  std::vector<std::string> tokens = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(path.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(), <span class="stringliteral">":"</span>);</div>
+<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> std::string& token, tokens) {</div>
+<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">const</span> std::string commandPath = <a class="code" href="namespacepath.html#aa86b16a2171cec90bb3337930513ef0f">path::join</a>(token, command);</div>
+<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a>(commandPath)) {</div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">continue</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>  <a class="code" href="classTry.html">Try<os::Permissions></a> <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">permissions</a> = <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">os::permissions</a>(commandPath);</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">continue</span>;</div>
+<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
+<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> </div>
+<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (!permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#a8d51e62d281d015ba6a4ee38c0dceb9a">owner</a>.<a class="code" href="structos_1_1Permissions.html#afe509a1398f95df7d2bda5fbfaa91a44">x</a> &&</div>
+<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  !permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#aff088e7e48d02dea27b19d0983d49b69">group</a>.<a class="code" href="structos_1_1Permissions.html#afe509a1398f95df7d2bda5fbfaa91a44">x</a> &&</div>
+<div class="line"><a name="l00434"
<TRUNCATED>