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<div class="title">linux.hpp</div> </div>
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<a href="3rdparty_2stout_2include_2stout_2os_2linux_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>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef __STOUT_OS_LINUX_HPP__</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __STOUT_OS_LINUX_HPP__</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// This file contains Linux-only OS utilities.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#ifndef __linux__</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#error &quot;stout/os/linux.hpp is only available on Linux systems.&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif // __linux__</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span> <span class="comment">// For pid_t.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;queue&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="error_8hpp.html">stout/error.hpp</a>&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="option_8hpp.html">stout/option.hpp</a>&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="proc_8hpp.html">stout/proc.hpp</a>&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="result_8hpp.html">stout/result.hpp</a>&gt;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="pagesize_8hpp.html">stout/os/pagesize.hpp</a>&gt;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="stout_2include_2stout_2os_2process_8hpp.html">stout/os/process.hpp</a>&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">namespace </span>os {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">// Helper for clone() which expects an int(void*).</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009cafe0aad">childMain</a>(<span class="keywordtype">void</span>* _func)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">const</span> lambda::function&lt;int()&gt;* func =</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>lambda::function&lt;int()&gt;*<span class="keyword">&gt;</span> (_func);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> (*func)();</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">// Helper that captures information about a stack to be used when</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment">// invoking clone.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classos_1_1Stack.html"> 54</a></span>&#160;<span class="keyword">class </span><a class="code" href="classos_1_1Stack.html">Stack</a></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;{</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// 8 MiB is the default for &quot;ulimit -s&quot; on OSX and Linux.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classos_1_1Stack.html#af5c1f11af9592d666dd1705d5393d4d0"> 58</a></span>&#160; <span class="keyword">static</span> constexpr <span class="keywordtype">size_t</span> <a class="code" href="classos_1_1Stack.html#af5c1f11af9592d666dd1705d5393d4d0">DEFAULT_SIZE</a> = 8 * 1024 * 1024;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="comment">// Allocate a stack.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classos_1_1Stack.html#a248fb0d3d52e903c887890d0155f70b7"> 61</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classTry.html">Try&lt;Stack&gt;</a> <a class="code" href="classos_1_1Stack.html#a248fb0d3d52e903c887890d0155f70b7">create</a>(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="code" href="classos_1_1Stack.html">Stack</a> stack(size);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="comment">// Allocate and align the memory to 16 bytes.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="comment">// x86, x64, and AArch64/ARM64 all expect a 16 byte aligned stack.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="comment">// ARM64/aarch64 enforces the alignment where x86/x64 does not.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Without this alignment Mesos will crash with a SIGBUS on ARM64/aarch64.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordtype">int</span> err = ::posix_memalign(</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; reinterpret_cast&lt;void**&gt;(&amp;stack.address),</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <a class="code" href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>(),</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; stack.size);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">if</span> (err) {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>(<span class="stringliteral">&quot;Failed to allocate and align stack&quot;</span>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> stack;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// Explicitly free the stack.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// The destructor won&#39;t free the allocated stack.</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classos_1_1Stack.html#aa5b0858e49e36141b299ef45e6d1b265"> 82</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classos_1_1Stack.html#aa5b0858e49e36141b299ef45e6d1b265">deallocate</a>()</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; ::free(address);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; address = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; size = 0;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">// Stack grows down, return the first usable address.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classos_1_1Stack.html#ab75d73670daab10124d04b9e8e4e72b0"> 90</a></span>&#160; <span class="keywordtype">char</span>* <a class="code" href="classos_1_1Stack.html#ab75d73670daab10124d04b9e8e4e72b0">start</a>()</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> address + size;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">explicit</span> <a class="code" href="classos_1_1Stack.html">Stack</a>(<span class="keywordtype">size_t</span> size_) : size(size_) {}</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">size_t</span> size;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordtype">char</span>* address;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;};</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="namespaceos.html#a06b5d831710f3993abe32fbb3ff69f12"> 103</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> <a class="code" href="namespaceos.html#a06b5d831710f3993abe32fbb3ff69f12">clone</a>(</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">const</span> lambda::function&lt;<span class="keywordtype">int</span>()&gt;&amp; func,</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordtype">int</span> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#af8289f648a916c3f66923867452c7b1b">flags</a>,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="classOption.html">Option&lt;Stack&gt;</a> stack = <a class="code" href="structNone.html">None</a>())</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;{</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="comment">// Stack for the child.</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="comment">// NOTE: We need to allocate the stack dynamically. This is because</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// glibc&#39;s &#39;clone&#39; will modify the stack passed to it, therefore the</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// stack must NOT be shared as multiple &#39;clone&#39;s can be invoked</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// simultaneously.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="namespacecgroups.html#a12d210f286e5fcf7993c0c90b9459606">cleanup</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">if</span> (stack.isNone()) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="classTry.html">Try&lt;Stack&gt;</a> _stack = <a class="code" href="classos_1_1Stack.html#a248fb0d3d52e903c887890d0155f70b7">Stack::create</a>(<a class="code" href="classos_1_1Stack.html#af5c1f11af9592d666dd1705d5393d4d0">Stack::DEFAULT_SIZE</a>);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (_stack.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; stack = _stack.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>();</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; cleanup = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid = <a class="code" href="namespaceos.html#a06b5d831710f3993abe32fbb3ff69f12">::clone</a>(childMain, stack-&gt;start(), <a class="code" href="namespacemesos_1_1internal_1_1tests.html#af8289f648a916c3f66923867452c7b1b">flags</a>, (<span class="keywordtype">void</span>*) &amp;func);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// Given we allocated the stack ourselves, there are two</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// circumstances where we need to delete the allocated stack to</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="comment">// avoid a memory leak:</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="comment">// (1) Failed to clone.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// (2) CLONE_VM is not set implying ::clone will create a process</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="comment">// which runs in its own copy of the memory space of the</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="comment">// calling process. If CLONE_VM is set ::clone will create a</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="comment">// thread which runs in the same memory space with the calling</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="comment">// process, in which case we don&#39;t want to call delete!</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">if</span> (cleanup &amp;&amp; (pid &lt; 0 || !(flags &amp; CLONE_VM))) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; stack-&gt;deallocate();</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> pid;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;}</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="keyword">inline</span> <a class="code" href="classResult.html">Result&lt;Process&gt;</a> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;{</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="comment">// Page size, used for memory accounting.</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> pageSize = <a class="code" href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a>();</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// Number of clock ticks per second, used for cpu accounting.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">long</span> ticks = sysconf(_SC_CLK_TCK);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">if</span> (ticks &lt;= 0) {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Failed to get sysconf(_SC_CLK_TCK)&quot;</span>);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;proc::ProcessStatus&gt;</a> <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">status</a> = <a class="code" href="namespaceproc.html#a34396c6140a28f583dc13fee3c3c35d4">proc::status</a>(pid);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(status.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>());</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="comment">// There are known bugs with invalid utime / stime values coming</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="comment">// from /proc/&lt;pid&gt;/stat on some Linux systems.</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="comment">// See the following thread for details:</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="comment">// http://mail-archives.apache.org/mod_mbox/incubator-mesos-dev/</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="comment">// 201307.mbox/%3CCA+2n2er-Nemh0CsKLbHRkaHd=YCrNt17NLUPM2=TtEfsKOw4</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">// Rg@mail.gmail.com%3E</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="comment">// These are similar reports:</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="comment">// http://lkml.indiana.edu/hypermail/linux/kernel/1207.1/01388.html</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1023214</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="classTry.html">Try&lt;Duration&gt;</a> <a class="code" href="namespaceos.html#a818327458964860a86fc8964e4795b4d">utime</a> = <a class="code" href="classDuration.html#a70f3ccdaba8dd6d0a1c2eddde1d1327a">Duration::create</a>(status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#a9095310f297abb51a4391a9f7c5f1b2d">utime</a> / (double) ticks);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="classTry.html">Try&lt;Duration&gt;</a> stime = <a class="code" href="classDuration.html#a70f3ccdaba8dd6d0a1c2eddde1d1327a">Duration::create</a>(status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#ab4802140d5c18cebaf83e738b5e8507d">stime</a> / (double) ticks);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">// The command line from &#39;status.get().comm&#39; is only &quot;arg0&quot; from</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// &quot;argv&quot; (i.e., the canonical executable name). To get the entire</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// command line we grab &#39;/proc/[pid]/cmdline&#39;.</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <a class="code" href="classResult.html">Result&lt;std::string&gt;</a> <a class="code" href="namespaceproc.html#a4ba22836c31ab565d5670129aac0a34d">cmdline</a> = <a class="code" href="namespaceproc.html#a4ba22836c31ab565d5670129aac0a34d">proc::cmdline</a>(pid);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">return</span> Process(status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#afd1efc7ade695e958b4f523cb4c65bbd">pid</a>,</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#ad0a83e9d469cab01eb3ceb70ab7f108d">ppid</a>,</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#a3ae685cf9da43d9751f12dbbd7384c18">pgrp</a>,</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#a236d914363d3ca4e748a6d539dcf28d5">session</a>,</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <a class="code" href="classBytes.html">Bytes</a>(status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#a42c4886162f88b8efd2422df00083955">rss</a> * pageSize),</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; utime.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() ? utime.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>() : <a class="code" href="classOption.html#aca73609603df4687dba70c2a5df47ef8">Option&lt;Duration&gt;::none</a>(),</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; stime.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() ? stime.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>() : <a class="code" href="classOption.html#aca73609603df4687dba70c2a5df47ef8">Option&lt;Duration&gt;::none</a>(),</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; cmdline.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>() ? cmdline.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>() : status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#aa33c57506955b0c77587a6152840fb3a">comm</a>,</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; status.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>().<a class="code" href="structproc_1_1ProcessStatus.html#ac8b4bc0e80bf560b45e2bba608b9a764">state</a> == <span class="charliteral">&#39;Z&#39;</span>);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;}</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="keyword">inline</span> <a class="code" href="classTry.html">Try&lt;std::set&lt;pid_t&gt;</a>&gt; <a class="code" href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">pids</a>()</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;{</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceproc.html#a810141e1502dd8b9a7a410da6caf7ed7">proc::pids</a>();</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;}</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="comment">// Returns the total size of main and free memory.</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="keyword">inline</span> <a class="code" href="classTry.html">Try&lt;Memory&gt;</a> <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>()</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;{</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; Memory <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keyword">struct </span>sysinfo info;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">if</span> (sysinfo(&amp;info) != 0) {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="preprocessor"># if LINUX_VERSION_CODE &gt;= KERNEL_VERSION(2, 3, 23)</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="preprocessor"></span> memory.total = <a class="code" href="classBytes.html">Bytes</a>(info.totalram * info.mem_unit);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; memory.free = <a class="code" href="classBytes.html">Bytes</a>(info.freeram * info.mem_unit);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; memory.totalSwap = <a class="code" href="classBytes.html">Bytes</a>(info.totalswap * info.mem_unit);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; memory.freeSwap = <a class="code" href="classBytes.html">Bytes</a>(info.freeswap * info.mem_unit);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="preprocessor"># else</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="preprocessor"></span> memory.total = <a class="code" href="classBytes.html">Bytes</a>(info.totalram);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; memory.free = <a class="code" href="classBytes.html">Bytes</a>(info.freeram);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; memory.totalSwap = <a class="code" href="classBytes.html">Bytes</a>(info.totalswap);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; memory.freeSwap = <a class="code" href="classBytes.html">Bytes</a>(info.freeswap);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;}</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;} <span class="comment">// namespace os {</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="preprocessor">#endif // __STOUT_OS_LINUX_HPP__</span></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_a3ae685cf9da43d9751f12dbbd7384c18"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#a3ae685cf9da43d9751f12dbbd7384c18">proc::ProcessStatus::pgrp</a></div><div class="ttdeci">const pid_t pgrp</div><div class="ttdef"><b>Definition:</b> proc.hpp:130</div></div>
<div class="ttc" id="classResult_html_ac2cdc0db9f9d29a5bb2f1cf19c29da49"><div class="ttname"><a href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">Result::isNone</a></div><div class="ttdeci">bool isNone() const </div><div class="ttdef"><b>Definition:</b> result.hpp:109</div></div>
<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option</a></div><div class="ttdef"><b>Definition:</b> option.hpp:24</div></div>
<div class="ttc" id="classos_1_1Stack_html_aa5b0858e49e36141b299ef45e6d1b265"><div class="ttname"><a href="classos_1_1Stack.html#aa5b0858e49e36141b299ef45e6d1b265">os::Stack::deallocate</a></div><div class="ttdeci">void deallocate()</div><div class="ttdef"><b>Definition:</b> linux.hpp:82</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div>
<div class="ttc" id="classResult_html_a521adf96f5c27d26d6b1d580aae8aaee"><div class="ttname"><a href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">Result::error</a></div><div class="ttdeci">static Result&lt; T &gt; error(const std::string &amp;message)</div><div class="ttdef"><b>Definition:</b> result.hpp:53</div></div>
<div class="ttc" id="namespaceos_html_af0898f40a19c3804347e30b9efa0984a"><div class="ttname"><a href="namespaceos.html#af0898f40a19c3804347e30b9efa0984a">os::pagesize</a></div><div class="ttdeci">size_t pagesize()</div><div class="ttdef"><b>Definition:</b> pagesize.hpp:24</div></div>
<div class="ttc" id="namespacecgroups_html_a12d210f286e5fcf7993c0c90b9459606"><div class="ttname"><a href="namespacecgroups.html#a12d210f286e5fcf7993c0c90b9459606">cgroups::cleanup</a></div><div class="ttdeci">process::Future&lt; bool &gt; cleanup(const std::string &amp;hierarchy)</div></div>
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<div class="ttc" id="structproc_1_1ProcessStatus_html_ad0a83e9d469cab01eb3ceb70ab7f108d"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#ad0a83e9d469cab01eb3ceb70ab7f108d">proc::ProcessStatus::ppid</a></div><div class="ttdeci">const pid_t ppid</div><div class="ttdef"><b>Definition:</b> proc.hpp:129</div></div>
<div class="ttc" id="classDuration_html_a70f3ccdaba8dd6d0a1c2eddde1d1327a"><div class="ttname"><a href="classDuration.html#a70f3ccdaba8dd6d0a1c2eddde1d1327a">Duration::create</a></div><div class="ttdeci">static Try&lt; Duration &gt; create(double seconds)</div><div class="ttdef"><b>Definition:</b> duration.hpp:399</div></div>
<div class="ttc" id="classErrnoError_html"><div class="ttname"><a href="classErrnoError.html">ErrnoError</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:44</div></div>
<div class="ttc" id="result_8hpp_html"><div class="ttname"><a href="result_8hpp.html">result.hpp</a></div></div>
<div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div>
<div class="ttc" id="lambda_8hpp_html"><div class="ttname"><a href="lambda_8hpp.html">lambda.hpp</a></div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_a42c4886162f88b8efd2422df00083955"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#a42c4886162f88b8efd2422df00083955">proc::ProcessStatus::rss</a></div><div class="ttdeci">const long rss</div><div class="ttdef"><b>Definition:</b> proc.hpp:149</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_ab03ced250ed239bc3b50b669493997f9"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a></div><div class="ttdeci">DWORD pid_t</div><div class="ttdef"><b>Definition:</b> windows.hpp:171</div></div>
<div class="ttc" id="namespaceos_html_a06b5d831710f3993abe32fbb3ff69f12"><div class="ttname"><a href="namespaceos.html#a06b5d831710f3993abe32fbb3ff69f12">os::clone</a></div><div class="ttdeci">pid_t clone(const lambda::function&lt; int()&gt; &amp;func, int flags, Option&lt; Stack &gt; stack=None())</div><div class="ttdef"><b>Definition:</b> linux.hpp:103</div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_a9095310f297abb51a4391a9f7c5f1b2d"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#a9095310f297abb51a4391a9f7c5f1b2d">proc::ProcessStatus::utime</a></div><div class="ttdeci">const unsigned long utime</div><div class="ttdef"><b>Definition:</b> proc.hpp:139</div></div>
<div class="ttc" id="proc_8hpp_html"><div class="ttname"><a href="proc_8hpp.html">proc.hpp</a></div></div>
<div class="ttc" id="namespaceos_html_a818327458964860a86fc8964e4795b4d"><div class="ttname"><a href="namespaceos.html#a818327458964860a86fc8964e4795b4d">os::utime</a></div><div class="ttdeci">Try&lt; Nothing &gt; utime(const std::string &amp;path)</div><div class="ttdef"><b>Definition:</b> utime.hpp:32</div></div>
<div class="ttc" id="namespaceproc_html_a810141e1502dd8b9a7a410da6caf7ed7"><div class="ttname"><a href="namespaceproc.html#a810141e1502dd8b9a7a410da6caf7ed7">proc::pids</a></div><div class="ttdeci">Try&lt; std::set&lt; pid_t &gt; &gt; pids()</div><div class="ttdef"><b>Definition:</b> proc.hpp:294</div></div>
<div class="ttc" id="classOption_html_aca73609603df4687dba70c2a5df47ef8"><div class="ttname"><a href="classOption.html#aca73609603df4687dba70c2a5df47ef8">Option::none</a></div><div class="ttdeci">static Option&lt; T &gt; none()</div><div class="ttdef"><b>Definition:</b> option.hpp:27</div></div>
<div class="ttc" id="classTry_html_a6543d7d5db4f298bcd673bf3cd509acc"><div class="ttname"><a href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">Try::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> try.hpp:70</div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_a236d914363d3ca4e748a6d539dcf28d5"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#a236d914363d3ca4e748a6d539dcf28d5">proc::ProcessStatus::session</a></div><div class="ttdeci">const pid_t session</div><div class="ttdef"><b>Definition:</b> proc.hpp:131</div></div>
<div class="ttc" id="classResult_html_aedf79f3b14dcda5791b84a64ada4d412"><div class="ttname"><a href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">Result::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> result.hpp:112</div></div>
<div class="ttc" id="option_8hpp_html"><div class="ttname"><a href="option_8hpp.html">option.hpp</a></div></div>
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<div class="ttc" id="pagesize_8hpp_html"><div class="ttname"><a href="pagesize_8hpp.html">pagesize.hpp</a></div></div>
<div class="ttc" id="classos_1_1Stack_html_af5c1f11af9592d666dd1705d5393d4d0"><div class="ttname"><a href="classos_1_1Stack.html#af5c1f11af9592d666dd1705d5393d4d0">os::Stack::DEFAULT_SIZE</a></div><div class="ttdeci">static constexpr size_t DEFAULT_SIZE</div><div class="ttdef"><b>Definition:</b> linux.hpp:58</div></div>
<div class="ttc" id="foreach_8hpp_html"><div class="ttname"><a href="foreach_8hpp.html">foreach.hpp</a></div></div>
<div class="ttc" id="namespaceproc_html_a4ba22836c31ab565d5670129aac0a34d"><div class="ttname"><a href="namespaceproc.html#a4ba22836c31ab565d5670129aac0a34d">proc::cmdline</a></div><div class="ttdeci">Result&lt; std::string &gt; cmdline(const Option&lt; pid_t &gt; &amp;pid=None())</div><div class="ttdef"><b>Definition:</b> proc.hpp:256</div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_afd1efc7ade695e958b4f523cb4c65bbd"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#afd1efc7ade695e958b4f523cb4c65bbd">proc::ProcessStatus::pid</a></div><div class="ttdeci">const pid_t pid</div><div class="ttdef"><b>Definition:</b> proc.hpp:126</div></div>
<div class="ttc" id="namespaceos_html_ae19e4161a51b86a1f330f3bf1dc75389"><div class="ttname"><a href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">os::process</a></div><div class="ttdeci">Result&lt; Process &gt; process(pid_t pid)</div><div class="ttdef"><b>Definition:</b> freebsd.hpp:30</div></div>
<div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div>
<div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div>
<div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div class="ttname"><a href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> try.hpp:71</div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_aa33c57506955b0c77587a6152840fb3a"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#aa33c57506955b0c77587a6152840fb3a">proc::ProcessStatus::comm</a></div><div class="ttdeci">const std::string comm</div><div class="ttdef"><b>Definition:</b> proc.hpp:127</div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="classos_1_1Stack_html_a248fb0d3d52e903c887890d0155f70b7"><div class="ttname"><a href="classos_1_1Stack.html#a248fb0d3d52e903c887890d0155f70b7">os::Stack::create</a></div><div class="ttdeci">static Try&lt; Stack &gt; create(size_t size)</div><div class="ttdef"><b>Definition:</b> linux.hpp:61</div></div>
<div class="ttc" id="structproc_1_1ProcessStatus_html_ab4802140d5c18cebaf83e738b5e8507d"><div class="ttname"><a href="structproc_1_1ProcessStatus.html#ab4802140d5c18cebaf83e738b5e8507d">proc::ProcessStatus::stime</a></div><div class="ttdeci">const unsigned long stime</div><div class="ttdef"><b>Definition:</b> proc.hpp:140</div></div>
<div class="ttc" id="classResult_html_a85eaa52037223d71092e65701c166562"><div class="ttname"><a href="classResult.html#a85eaa52037223d71092e65701c166562">Result::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> result.hpp:108</div></div>
<div class="ttc" id="classResult_html_aeca16ad17d299ad885c9b46c83b12a3d"><div class="ttname"><a href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">Result::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> result.hpp:110</div></div>
<div class="ttc" id="classos_1_1Stack_html_ab75d73670daab10124d04b9e8e4e72b0"><div class="ttname"><a href="classos_1_1Stack.html#ab75d73670daab10124d04b9e8e4e72b0">os::Stack::start</a></div><div class="ttdeci">char * start()</div><div class="ttdef"><b>Definition:</b> linux.hpp:90</div></div>
<div class="ttc" id="classBytes_html"><div class="ttname"><a href="classBytes.html">Bytes</a></div><div class="ttdef"><b>Definition:</b> bytes.hpp:30</div></div>
<div class="ttc" id="namespaceos_html_a23a7b8f4b4c145ad212381e89d4b6dc4"><div class="ttname"><a href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">os::memory</a></div><div class="ttdeci">Try&lt; Memory &gt; memory()</div><div class="ttdef"><b>Definition:</b> freebsd.hpp:77</div></div>
<div class="ttc" id="namespaceos_html_a42af1cab63434cedf2b698cd6f49f073"><div class="ttname"><a href="namespaceos.html#a42af1cab63434cedf2b698cd6f49f073">os::pids</a></div><div class="ttdeci">Try&lt; std::set&lt; pid_t &gt; &gt; pids()</div><div class="ttdef"><b>Definition:</b> freebsd.hpp:61</div></div>
<div class="ttc" id="classTry_html_a7be0768038e0628632492edf6cc1515a"><div class="ttname"><a href="classTry.html#a7be0768038e0628632492edf6cc1515a">Try::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> try.hpp:73</div></div>
<div class="ttc" id="namespaceprocess_1_1internal_html_a902e2646d88c41ce674a3009cafe0aad"><div class="ttname"><a href="namespaceprocess_1_1internal.html#a902e2646d88c41ce674a3009cafe0aad">process::internal::childMain</a></div><div class="ttdeci">int childMain(const std::string &amp;path, char **argv, char **envp, const InputFileDescriptors &amp;stdinfds, const OutputFileDescriptors &amp;stdoutfds, const OutputFileDescriptors &amp;stderrfds, bool blocking, int pipes[2], const std::vector&lt; Subprocess::ChildHook &gt; &amp;child_hooks)</div><div class="ttdef"><b>Definition:</b> subprocess.hpp:106</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1tests_html_af8289f648a916c3f66923867452c7b1b"><div class="ttname"><a href="namespacemesos_1_1internal_1_1tests.html#af8289f648a916c3f66923867452c7b1b">mesos::internal::tests::flags</a></div><div class="ttdeci">Flags flags</div></div>
<div class="ttc" id="classos_1_1Stack_html"><div class="ttname"><a href="classos_1_1Stack.html">os::Stack</a></div><div class="ttdef"><b>Definition:</b> linux.hpp:54</div></div>
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