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| <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_a18918b93668b435612395bbc2e8b82b.html">linux</a></li> </ul> |
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| <div class="title">cgroups.hpp</div> </div> |
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| <a href="linux_2cgroups_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __CGROUPS_HPP__</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define __CGROUPS_HPP__</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <stdint.h></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <stdlib.h></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <set></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <sys/types.h></span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="timeout_8hpp.html">process/timeout.hpp</a>></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="bytes_8hpp.html">stout/bytes.hpp</a>></span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>></span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="hashmap_8hpp.html">stout/hashmap.hpp</a>></span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="namespacecgroups.html"> 39</a></span> <span class="keyword">namespace </span>cgroups {</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// Suggested timeout for use with the convenience version of</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// cgroups::destroy(); it is not a default timeout and must be</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// explicitly specified.</span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespacecgroups.html#a3e497aa6d62c407000dffd5f0516a53c"> 44</a></span> <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacecgroups.html#a3e497aa6d62c407000dffd5f0516a53c">DESTROY_TIMEOUT</a> = <a class="code" href="classSeconds.html">Seconds</a>(60);</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Freezing a cgroup may get stuck (see MESOS-1689 for details). To</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// workaround, we may want to thaw the cgroup and retry freezing it.</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// This is the suggested retry interval.</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespacecgroups.html#a5207e520ebc1a375a7b50532217e77d5"> 50</a></span> <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacecgroups.html#a5207e520ebc1a375a7b50532217e77d5">FREEZE_RETRY_INTERVAL</a> = <a class="code" href="classSeconds.html">Seconds</a>(10);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// Default number of assign attempts when moving threads to a cgroup.</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="namespacecgroups.html#a0dccf61f2e6889ebe2c0e743d969e4c5"> 54</a></span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="namespacecgroups.html#a0dccf61f2e6889ebe2c0e743d969e4c5">THREAD_ASSIGN_RETRIES</a> = 100;</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// We use the following notations throughout the cgroups code. The notations</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// here are derived from the kernel documentation. More details can be found in</span></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// <kernel-source>/Documentation/cgroups/cgroups.txt.</span></div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// Hierarchy - A hierarchy contains a set of cgroups arranged in a tree such</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// that every task in the system is in exactly one of the cgroups</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// in the hierarchy. One or more subsystems can be attached to a</span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// hierarchy.</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Subsystem - A subsystem (e.g. cpu, memory, cpuset, etc) in the kernel. Each</span></div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// subsystem can be attached to only one hierarchy.</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Cgroup - A cgroup is just a set of tasks with a set of controls for one</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// or more subsystems.</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// Control - A control file in a cgroup (e.g. tasks, cpu.shares).</span></div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// TODO(idownes): Rework all functions in this file to better support</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// separately mounted subsystems.</span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// Prepare a hierarchy which has the specified subsystem (and only that</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// subsystem) mounted and also has the specified cgroup created. Returns the</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// hierarchy. Checks are made to ensure that cgroups are supported and that</span></div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// nested cgroups can be created.</span></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespacecgroups.html#a4bf20862574beb5b0f9af7799489866f">prepare</a>(</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::string& baseHierarchy,</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> std::string& subsystem,</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// Check whether cgroups module is enabled on the current machine.</span></div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// @return True if cgroups module is enabled.</span></div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// False if cgroups module is not available.</span></div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keywordtype">bool</span> <a class="code" href="namespacecgroups.html#a549f051f3df2b570aef0ee2b806020e3">enabled</a>();</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// Return the currently active hierarchies.</span></div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// @return A set of active hierarchy paths (e.g., '/cgroup').</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// Error if unexpected happens.</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <a class="code" href="classTry.html">Try<std::set<std::string></a>> <a class="code" href="namespacecgroups.html#adabca75358eab66d19aaed528dd251d7">hierarchies</a>();</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// Get an already mounted hierarchy that has 'subsystems' attached.</span></div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// This function will return an error if we are unable to find the</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// hierarchies or if we are unable to find if the subsystems are</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// mounted at a given hierarchy.</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// @param subsystems Comma-separated subsystem names.</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// @return Path to the hierarchy root, if a hierarchy with all the</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// given subsystems mounted exists.</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// None, if no such hierarchy exists.</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">// Error, if the operation fails.</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <a class="code" href="classResult.html">Result<std::string></a> <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// Check whether all the given subsystems are enabled on the current machine.</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// @param subsystems Comma-separated subsystem names.</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// @return True if all the given subsystems are enabled.</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// False if any of the given subsystems is not enabled.</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups.html#a549f051f3df2b570aef0ee2b806020e3">enabled</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>);</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// Return true if any of the given subsystems is currently attached to a</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// hierarchy.</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// @param subsystems Comma-separated subsystem names.</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// @return True if any of the given subsystems is being attached.</span></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// False if non of the given subsystems is being attached.</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups.html#a56d29749c5955372d012171f5c9b1724">busy</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Return the currently enabled subsystems.</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// @return A set of enabled subsystem names if succeeds.</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// Error if unexpected happens.</span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <a class="code" href="classTry.html">Try<std::set<std::string></a>> <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>();</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// Return a set of subsystems that are attached to a given hierarchy. An error</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// will be returned if the given hierarchy is not currently mounted with a</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// cgroups virtual file system. As a result, this function can be used to check</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// whether a hierarchy is indeed a cgroups hierarchy root.</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// @return A set of attached subsystem names.</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// Error otherwise, (e.g., hierarchy does not exist or is not mounted).</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <a class="code" href="classTry.html">Try<std::set<std::string></a>> <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>);</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// Mount a cgroups hierarchy and attach the given subsystems to</span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// it. This function will return error if the path given for the</span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// hierarchy already exists. Also, the function will return error if</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// a subsystem in the given subsystem list has already been attached</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// to another hierarchy. On success, the cgroups virtual file system</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// will be mounted with the proper subsystems attached. On failure,</span></div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// mount will be retried the specified number of times.</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// @param subsystems Comma-separated subsystem names.</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// @param retry Number of times to retry mount.</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// @return Some if the operation succeeds.</span></div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#aa3c1a4d4d11cca392dc45ff363718fc1">mount</a>(</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a>,</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> retry = 0);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// Unmount a hierarchy and remove the directory associated with</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// it. This function will return error if the given hierarchy is not</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// valid. Also, it will return error if the given hierarchy has</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// any cgroups.</span></div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// @return Some if the operation succeeds.</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#af94090b7b947fde2603c22b609650c9b">unmount</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>);</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// Returns true if the given hierarchy root is mounted as a cgroups</span></div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// virtual file system with the specified subsystems attached.</span></div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// @return True if the given directory is a hierarchy root and all of the</span></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// specified subsystems are attached.</span></div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// False if the directory is not a hierarchy (or doesn't exist)</span></div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// or some of the specified subsystems are not attached.</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups.html#a379912fbd52d8dba056a7d94041a224e">mounted</a>(</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">subsystems</a> = <span class="stringliteral">""</span>);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// Create a cgroup under a given hierarchy. This function will return error if</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// the given hierarchy is not valid.</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// @param recursive Will create nested cgroups</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment">// @return Some if the operation succeeds.</span></div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#a2ecc89636706df947027a4c3c2100fbe">create</a>(</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">bool</span> recursive = <span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Remove a cgroup under a given hierarchy. This function will return error if</span></div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// the given hierarchy or the given cgroup is not valid. The cgroup will NOT be</span></div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// removed recursively. In other words, if the cgroup has sub-cgroups inside,</span></div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// the function will return error. Also, if any process is attached to the</span></div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">// given cgroup, the removal operation will also fail.</span></div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <a class="code" href="classTry.html">Try<Nothing></a> <span class="keyword">remove</span>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>, <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// Returns true if the given cgroup under a given hierarchy exists.</span></div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// @return True if the cgroup exists.</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// False if the cgroup does not exist.</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// Error if the operation fails (i.e., hierarchy is not mounted).</span></div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups.html#a8a1f39ed37d38f45bf997bbb2f6b791c">exists</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>, <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// Return all the cgroups under the given cgroup of a given hierarchy. By</span></div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// default, it returns all the cgroups under the given hierarchy. This function</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// will return error if the given hierarchy is not mounted or the cgroup does</span></div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// not exist. We use a post-order walk here to ease the removal of cgroups.</span></div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// @return A vector of cgroup names.</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <a class="code" href="classTry.html">Try<std::vector<std::string></a>> <span class="keyword">get</span>(</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a> = <span class="stringliteral">"/"</span>);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </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="comment">// Send the specified signal to all process in a cgroup.</span></div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// @param signal The signal to send to all tasks within the cgroup.</span></div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// @return Some on success.</span></div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#ab75e1e2d1be63eec907bf12306a7c8a7">kill</a>(</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">int</span> signal);</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">// Read a control file. Control files are used to monitor and control cgroups.</span></div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// This function will verify all the parameters. If the given hierarchy is not</span></div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// properly mounted with appropriate subsystems, or the given cgroup is not</span></div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// valid, or the given control file is not valid, the function will return</span></div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// error.</span></div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// @param control Name of the control file.</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// @return The value read from the control file.</span></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespacecgroups.html#aa696e42fa4a13e922dee2d1f869146d2">read</a>(</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">const</span> std::string& control);</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> <span class="comment">// Write a control file. Parameter checking is similar to read.</span></div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// @param control Name of the control file.</span></div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment">// @param value Value to be written.</span></div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// @return Some if the operation succeeds.</span></div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#ad199dcd922eab26b23b7011c7e0ca34a">write</a>(</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">const</span> std::string& control,</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> std::string& value);</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> </div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment">// Check whether a control file is valid under a given cgroup and a given</span></div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// hierarchy. This function will return error if the given hierarchy is not</span></div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// properly mounted with appropriate subsystems, or the given cgroup does not</span></div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment">// exist, or the control file does not exist.</span></div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// @param control Name of the control file.</span></div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// @return Some if the check succeeds.</span></div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment">// Error if the check fails.</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups.html#a8a1f39ed37d38f45bf997bbb2f6b791c">exists</a>(</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">const</span> std::string& control);</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </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="comment">// Return the set of process IDs in a given cgroup under a given hierarchy. It</span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// will return error if the given hierarchy or the given cgroup is not valid.</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment">// @return The set of process ids.</span></div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <a class="code" href="classTry.html">Try<std::set<pid_t></a>> <a class="code" href="namespacecgroups.html#ad3e8800b1782f900cead465f7920dfa5">processes</a>(</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// Return the set of thread IDs in a given cgroup under a given hierarchy. It</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// will return error if the given hierarchy or the given cgroup is not valid.</span></div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// @return The set of thread ids.</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <a class="code" href="classTry.html">Try<std::set<pid_t></a>> <a class="code" href="namespacecgroups.html#a9fb61299862484ab2d1bd382ea109ca9">threads</a>(</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</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> </div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment">// Assign a given process specified by its pid to a given cgroup. All threads</span></div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// in the pid's threadgroup will also be moved to the cgroup. This function</span></div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// will return error if the given hierarchy or the given cgroup is not valid.</span></div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment">// Also, it will return error if the pid has no process associated with it.</span></div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment">// @param pid The pid of the given process.</span></div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// @return Some if the operation succeeds.</span></div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#a60fe712940bfb345dc346c1dbc622cf5">assign</a>(</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid);</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">// Isolate a given process specified by its 'pid' to a given cgroup</span></div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// by both creating the cgroup (recursively) if it doesn't exist and</span></div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// then assigning the process to that cgroup.</span></div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment">// @param pid The pid of the given process.</span></div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment">// @return Nothing if the operation succeeds.</span></div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// Error if the operation fails.</span></div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups.html#aceb245d6ea6362ac1c2b1247556179d6">isolate</a>(</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid);</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div> |
| <div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1event.html"> 331</a></span> <span class="keyword">namespace </span>event {</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">// Listen on an event notifier and return a future which will become ready when</span></div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// the certain event happens. This function will return a future failure if some</span></div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// expected happens (e.g. the given hierarchy does not have the proper</span></div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// subsystems attached).</span></div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// @param control Name of the control file.</span></div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// @param args Control specific arguments.</span></div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// @return A future which contains the value read from the file when ready.</span></div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <a class="code" href="classprocess_1_1Future.html">process::Future<uint64_t></a> <a class="code" href="namespacecgroups_1_1event.html#a6f0a35d2d8f1381bc000001c94155393">listen</a>(</div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keyword">const</span> std::string& control,</div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& args = <a class="code" href="classOption.html">Option<std::string>::none</a>());</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span> } <span class="comment">// namespace event {</span></div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment">// Destroy a cgroup under a given hierarchy. It will also recursively</span></div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">// destroy any sub-cgroups. If the freezer subsystem is attached to</span></div> |
| <div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment">// the hierarchy, we attempt to kill all tasks in a given cgroup,</span></div> |
| <div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment">// before removing it. Otherwise, we just attempt to remove the</span></div> |
| <div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment">// cgroup. This function will return an error if the given hierarchy</span></div> |
| <div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// or the given cgroup does not exist or if we failed to destroy any</span></div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// of the cgroups.</span></div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment">// NOTE: If cgroup is "/" (default), all cgroups under the</span></div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// hierarchy are destroyed.</span></div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// TODO(vinod): Add support for killing tasks when freezer subsystem</span></div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// is not present.</span></div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// @return A future which will become ready when the operation is done.</span></div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacecgroups.html#aff40863260825f6176d8195102a0a47f">destroy</a>(</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a> = <span class="stringliteral">"/"</span>);</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment">// Destroy a cgroup under a given hierarchy. This is a convenience</span></div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment">// function which wraps the cgroups::destroy() to add a timeout: if</span></div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// the cgroup(s) cannot be destroyed after timeout the operation will</span></div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// be discarded.</span></div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacecgroups.html#aff40863260825f6176d8195102a0a47f">destroy</a>(</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& timeout);</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">// Cleanup the hierarchy, by first destroying all the underlying</span></div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment">// cgroups, unmounting the hierarchy and deleting the mount point.</span></div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment">// @return A future which will become ready when the operation is done.</span></div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment">// Error if something unexpected happens.</span></div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <a class="code" href="classprocess_1_1Future.html">process::Future<bool></a> <a class="code" href="namespacecgroups.html#a12d210f286e5fcf7993c0c90b9459606">cleanup</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>);</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// Returns the stat information from the given file.</span></div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment">// @param hierarchy Path to the hierarchy root.</span></div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment">// @param cgroup Path to the cgroup relative to the hierarchy root.</span></div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment">// @param file The stat file to read from. (Ex: "memory.stat").</span></div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment">// @return The stat information parsed from the file.</span></div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment">// Error if reading or parsing fails.</span></div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// TODO(bmahler): Consider namespacing stat for each subsystem (e.g.</span></div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// cgroups::memory::stat and cgroups::cpuacct::stat).</span></div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <a class="code" href="classTry.html">Try<hashmap<std::string, uint64_t></a>> <a class="code" href="namespacecgroups.html#a78e3c7ca2e422779908eec45f859d757">stat</a>(</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacemesos_1_1uri.html#a0a3b30c1eb427c4053aaef120b1f453c">file</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> </div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment">// Cpu controls.</span></div> |
| <div class="line"><a name="l00405"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1cpu.html"> 405</a></span> <span class="keyword">namespace </span>cpu {</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> <span class="comment">// Returns the cgroup that the specified pid is a member of within the</span></div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment">// hierarchy that the 'cpu' subsytem is mounted or None if the</span></div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// subsystem is not mounted or the pid is not a member of a cgroup.</span></div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <a class="code" href="classResult.html">Result<std::string></a> <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid);</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> </div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment">// Sets the cpu shares using cpu.shares.</span></div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1cpu.html#ae1e13b6a56a0a53e4981d6863fe6dcf8">shares</a>(</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  uint64_t <a class="code" href="namespacecgroups_1_1cpu.html#ae1e13b6a56a0a53e4981d6863fe6dcf8">shares</a>);</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> <span class="comment">// Returns the cpu shares from cpu.shares.</span></div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <a class="code" href="classTry.html">Try<uint64_t></a> <a class="code" href="namespacecgroups_1_1cpu.html#ae1e13b6a56a0a53e4981d6863fe6dcf8">shares</a>(</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</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> <span class="comment">// Sets the cfs period using cpu.cfs_period_us.</span></div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1cpu.html#a5812b138d0955c063c3b3c9bbf7838f8">cfs_period_us</a>(</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration);</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> </div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment">// Returns the cfs quota from cpu.cfs_quota_us.</span></div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <a class="code" href="classTry.html">Try<Duration></a> <a class="code" href="namespacecgroups_1_1cpu.html#a1bb4a783c8366d7f8ee6f5215f7907bf">cfs_quota_us</a>(</div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment">// Sets the cfs quota using cpu.cfs_quota_us.</span></div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1cpu.html#a1bb4a783c8366d7f8ee6f5215f7907bf">cfs_quota_us</a>(</div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration);</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> } <span class="comment">// namespace cpu {</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"> 447</span> </div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment">// Cpuacct subsystem.</span></div> |
| <div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1cpuacct.html"> 449</a></span> <span class="keyword">namespace </span>cpuacct {</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> <span class="comment">// Returns the cgroup that the specified pid is a member of within the</span></div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment">// hierarchy that the 'cpuacct' subsytem is mounted or None if the</span></div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment">// subsystem is not mounted or the pid is not a member of a cgroup.</span></div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment">// @param pid process id for which cgroup is queried within the cpuacct</span></div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment">// subsytem.</span></div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment">// @return Some cgroup in case there was a valid cgroup found for the pid.</span></div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment">// Error if there was any error in processing.</span></div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <a class="code" href="classResult.html">Result<std::string></a> <a class="code" href="namespacecgroups_1_1cpuacct.html#a18a0bd7bb34d289f8c1694bf8c472bf5">cgroup</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid);</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="comment">// Encapsulates the 'stat' information exposed by the cpuacct subsystem.</span></div> |
| <div class="line"><a name="l00463"></a><span class="lineno"><a class="line" href="structcgroups_1_1cpuacct_1_1Stats.html"> 463</a></span> <span class="keyword">struct </span><a class="code" href="structcgroups_1_1cpuacct_1_1Stats.html">Stats</a></div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span> {</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"><a class="line" href="structcgroups_1_1cpuacct_1_1Stats.html#a1b38c25b7fb38ecd11576aa16f4a8a68"> 465</a></span>  <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a> <a class="code" href="structcgroups_1_1cpuacct_1_1Stats.html#a1b38c25b7fb38ecd11576aa16f4a8a68">user</a>;</div> |
| <div class="line"><a name="l00466"></a><span class="lineno"><a class="line" href="structcgroups_1_1cpuacct_1_1Stats.html#ab51b181cb31485ec27aa1b8ae3ea6156"> 466</a></span>  <span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a> <a class="code" href="structcgroups_1_1cpuacct_1_1Stats.html#ab51b181cb31485ec27aa1b8ae3ea6156">system</a>;</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> </div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment">// Returns 'Stats' for a given hierarchy and cgroup.</span></div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment">// @param hierarchy hierarchy for the 'cpuacct' subsystem.</span></div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// @param cgroup cgroup for a given process.</span></div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// @return Some<Stats> if sucessful.</span></div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment">// Error in case of any error during processing.</span></div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <a class="code" href="classTry.html">Try<Stats></a> <a class="code" href="namespacecgroups_1_1cpuacct.html#a0aa25320dd324ad06619c2d650020102">stat</a>(</div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keyword">const</span> std::string& cgroup);</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> } <span class="comment">// namespace cpuacct {</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"> 483</span> <span class="comment">// Memory controls.</span></div> |
| <div class="line"><a name="l00484"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory.html"> 484</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceos.html#a23a7b8f4b4c145ad212381e89d4b6dc4">memory</a> {</div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div> |
| <div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment">// Returns the cgroup that the specified pid is a member of within the</span></div> |
| <div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment">// hierarchy that the 'memory' subsytem is mounted or None if the</span></div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment">// subsystem is not mounted or the pid is not a member of a cgroup.</span></div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <a class="code" href="classResult.html">Result<std::string></a> <a class="code" href="namespacecgroups_1_1memory.html#afee7087a3ff0a92fcfeb12a92041f723">cgroup</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ab03ced250ed239bc3b50b669493997f9">pid_t</a> pid);</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> <span class="comment">// Returns the memory limit from memory.limit_in_bytes.</span></div> |
| <div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <a class="code" href="classTry.html">Try<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#abcf50b175fea5a521400f6b9e5574e90">limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span> </div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span> </div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment">// Sets the memory limit using memory.limit_in_bytes.</span></div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1memory.html#abcf50b175fea5a521400f6b9e5574e90">limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> <a class="code" href="classBytes.html">Bytes</a>& limit);</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> </div> |
| <div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment">// Returns the memory limit from memory.memsw.limit_in_bytes. Returns</span></div> |
| <div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment">// none if memory.memsw.limit_in_bytes is not supported (e.g., when</span></div> |
| <div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment">// swap is turned off).</span></div> |
| <div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <a class="code" href="classResult.html">Result<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#ae91ff64aa5ccd2344ab9d8ecf31134e0">memsw_limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keyword">const</span> std::string& cgroup);</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> </div> |
| <div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment">// Sets the memory limit using memory.memsw.limit_in_bytes. Returns</span></div> |
| <div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="comment">// false if memory.memsw.limit_in_bytes is not supported (e.g., when</span></div> |
| <div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment">// swap is turned off).</span></div> |
| <div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups_1_1memory.html#ae91ff64aa5ccd2344ab9d8ecf31134e0">memsw_limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keyword">const</span> <a class="code" href="classBytes.html">Bytes</a>& limit);</div> |
| <div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div> |
| <div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div> |
| <div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment">// Returns the soft memory limit from memory.soft_limit_in_bytes.</span></div> |
| <div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <a class="code" href="classTry.html">Try<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#a1839563c856a81176f928d3fd6012b9d">soft_limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div> |
| <div class="line"><a name="l00527"></a><span class="lineno"> 527</span> </div> |
| <div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment">// Sets the soft memory limit using memory.soft_limit_in_bytes.</span></div> |
| <div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1memory.html#a1839563c856a81176f928d3fd6012b9d">soft_limit_in_bytes</a>(</div> |
| <div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">const</span> <a class="code" href="classBytes.html">Bytes</a>& limit);</div> |
| <div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div> |
| <div class="line"><a name="l00534"></a><span class="lineno"> 534</span> </div> |
| <div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment">// Returns the memory usage from memory.usage_in_bytes.</span></div> |
| <div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <a class="code" href="classTry.html">Try<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#a149585d37c91a4340c1bedcd20a37de9">usage_in_bytes</a>(</div> |
| <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00539"></a><span class="lineno"> 539</span> </div> |
| <div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div> |
| <div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment">// Returns the memory + swap usage from memory.memsw.usage_in_bytes.</span></div> |
| <div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <a class="code" href="classTry.html">Try<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#a77ac10d99550237ae21b85493b82e241">memsw_usage_in_bytes</a>(</div> |
| <div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div> |
| <div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div> |
| <div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment">// Returns the max memory usage from memory.max_usage_in_bytes.</span></div> |
| <div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <a class="code" href="classTry.html">Try<Bytes></a> <a class="code" href="namespacecgroups_1_1memory.html#a01c45929d5ad8ea9666323d5509b3439">max_usage_in_bytes</a>(</div> |
| <div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div> |
| <div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div> |
| <div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// Out-of-memory (OOM) controls.</span></div> |
| <div class="line"><a name="l00554"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1oom.html"> 554</a></span> <span class="keyword">namespace </span>oom {</div> |
| <div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div> |
| <div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="comment">// Listen for an OOM event for the cgroup.</span></div> |
| <div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacecgroups_1_1memory_1_1oom.html#a1348c624eeb20c69226598e0a0f61a1d">listen</a>(</div> |
| <div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div> |
| <div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="comment">// OOM killer controls.</span></div> |
| <div class="line"><a name="l00562"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1oom_1_1killer.html"> 562</a></span> <span class="keyword">namespace </span>killer {</div> |
| <div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div> |
| <div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="comment">// Return whether the kernel OOM killer is enabled for the cgroup.</span></div> |
| <div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <a class="code" href="classTry.html">Try<bool></a> <a class="code" href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#af756053616263ee886f511c49dbe5d6f">enabled</a>(</div> |
| <div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00568"></a><span class="lineno"> 568</span> </div> |
| <div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment">// Enable the kernel OOM killer for the cgroup. The control file will</span></div> |
| <div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment">// only be written to if necessary.</span></div> |
| <div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#adeb417cd82edadd687c4ae8eab50cd3d">enable</a>(</div> |
| <div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00574"></a><span class="lineno"> 574</span> </div> |
| <div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="comment">// Disable the kernel OOM killer. The control file will only be</span></div> |
| <div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="comment">// written to if necessary.</span></div> |
| <div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#a12bd1e391ba4dacf25a4d18e663829c6">disable</a>(</div> |
| <div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div> |
| <div class="line"><a name="l00581"></a><span class="lineno"> 581</span> } <span class="comment">// namespace killer {</span></div> |
| <div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div> |
| <div class="line"><a name="l00583"></a><span class="lineno"> 583</span> } <span class="comment">// namespace oom {</span></div> |
| <div class="line"><a name="l00584"></a><span class="lineno"> 584</span> </div> |
| <div class="line"><a name="l00585"></a><span class="lineno"> 585</span> </div> |
| <div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="comment">// Memory pressure counters.</span></div> |
| <div class="line"><a name="l00587"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1pressure.html"> 587</a></span> <span class="keyword">namespace </span>pressure {</div> |
| <div class="line"><a name="l00588"></a><span class="lineno"> 588</span> </div> |
| <div class="line"><a name="l00589"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f"> 589</a></span> <span class="keyword">enum</span> <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">Level</a></div> |
| <div class="line"><a name="l00590"></a><span class="lineno"> 590</span> {</div> |
| <div class="line"><a name="l00591"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab0b8865245ba2ef579a93fd37a0447c1"> 591</a></span>  <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab0b8865245ba2ef579a93fd37a0447c1">LOW</a>,</div> |
| <div class="line"><a name="l00592"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fa1ebe98a0194fb5f47db36364abe6b20b"> 592</a></span>  <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fa1ebe98a0194fb5f47db36364abe6b20b">MEDIUM</a>,</div> |
| <div class="line"><a name="l00593"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab6f800fb2d0b06cdfd0b6129ffb34473"> 593</a></span>  <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab6f800fb2d0b06cdfd0b6129ffb34473">CRITICAL</a></div> |
| <div class="line"><a name="l00594"></a><span class="lineno"> 594</span> };</div> |
| <div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div> |
| <div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div> |
| <div class="line"><a name="l00597"></a><span class="lineno"> 597</span> std::ostream& <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#a189f8e20c812f6618523d39356cbbf5a">operator<<</a>(std::ostream& stream, <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">Level</a> level);</div> |
| <div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div> |
| <div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div> |
| <div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="comment">// Forward declaration.</span></div> |
| <div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="keyword">class </span>CounterProcess;</div> |
| <div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div> |
| <div class="line"><a name="l00603"></a><span class="lineno"> 603</span> </div> |
| <div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment">// Counter is a primitive to listen on events of a given memory</span></div> |
| <div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment">// pressure level for a cgroup and keep track of the number of</span></div> |
| <div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment">// occurrence of that event. Use the public 'create' function to</span></div> |
| <div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="comment">// create a new counter; see 'value' for how to use.</span></div> |
| <div class="line"><a name="l00608"></a><span class="lineno"><a class="line" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html"> 608</a></span> <span class="keyword">class </span><a class="code" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html">Counter</a></div> |
| <div class="line"><a name="l00609"></a><span class="lineno"> 609</span> {</div> |
| <div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="comment">// Create a memory pressure counter for the given cgroup on the</span></div> |
| <div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="comment">// specified level.</span></div> |
| <div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<process::Owned<Counter></a>> <a class="code" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#a09f588cc494b8f52ece29a07816dec03">create</a>(</div> |
| <div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">Level</a> level);</div> |
| <div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div> |
| <div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keyword">virtual</span> <a class="code" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#ae6f003780ad9f85ac1242cc94cb523dc">~Counter</a>();</div> |
| <div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div> |
| <div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// Returns the current accumulated number of occurrences of the</span></div> |
| <div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// pressure event. Returns a failure if any error occurs while</span></div> |
| <div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// monitoring the pressure events, and any subsequent calls to</span></div> |
| <div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// 'value' will return the same failure. In such case, the user</span></div> |
| <div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="comment">// should consider creating a new Counter.</span></div> |
| <div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="classprocess_1_1Future.html">process::Future<uint64_t></a> <a class="code" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#a60ef2a7979f45a18914478f1e749debd">value</a>() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div> |
| <div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <a class="code" href="classcgroups_1_1memory_1_1pressure_1_1Counter.html">Counter</a>(<span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">Level</a> level);</div> |
| <div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div> |
| <div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<CounterProcess></a> process;</div> |
| <div class="line"><a name="l00633"></a><span class="lineno"> 633</span> };</div> |
| <div class="line"><a name="l00634"></a><span class="lineno"> 634</span> </div> |
| <div class="line"><a name="l00635"></a><span class="lineno"> 635</span> } <span class="comment">// namespace pressure {</span></div> |
| <div class="line"><a name="l00636"></a><span class="lineno"> 636</span> </div> |
| <div class="line"><a name="l00637"></a><span class="lineno"> 637</span> } <span class="comment">// namespace memory {</span></div> |
| <div class="line"><a name="l00638"></a><span class="lineno"> 638</span> </div> |
| <div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div> |
| <div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="comment">// Device controls.</span></div> |
| <div class="line"><a name="l00641"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1devices.html"> 641</a></span> <span class="keyword">namespace </span>devices {</div> |
| <div class="line"><a name="l00642"></a><span class="lineno"> 642</span> </div> |
| <div class="line"><a name="l00643"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry.html"> 643</a></span> <span class="keyword">struct </span><a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a></div> |
| <div class="line"><a name="l00644"></a><span class="lineno"> 644</span> {</div> |
| <div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Entry></a> <a class="code" href="structcgroups_1_1devices_1_1Entry.html#a72b082f94735385e2c44a3fad3d97969">parse</a>(<span class="keyword">const</span> std::string& s);</div> |
| <div class="line"><a name="l00646"></a><span class="lineno"> 646</span> </div> |
| <div class="line"><a name="l00647"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html"> 647</a></span>  <span class="keyword">struct </span><a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">Selector</a></div> |
| <div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  {</div> |
| <div class="line"><a name="l00649"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4"> 649</a></span>  <span class="keyword">enum class</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4">Type</a></div> |
| <div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  {</div> |
| <div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a5fb1f955b45e38e31789286a1790398d">ALL</a>,</div> |
| <div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a4d34f53389ed7f28ca91fc31ea360a66">BLOCK</a>,</div> |
| <div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a3c94fe830ac18aa182887ab6ac05b596">CHARACTER</a>,</div> |
| <div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  };</div> |
| <div class="line"><a name="l00655"></a><span class="lineno"> 655</span> </div> |
| <div class="line"><a name="l00656"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#ae7566a068a554a9727f32aa50f3eeb81"> 656</a></span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4">Type</a> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#ae7566a068a554a9727f32aa50f3eeb81">type</a>;</div> |
| <div class="line"><a name="l00657"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a4b2d34c243e8c1003c4e41cfb555c56d"> 657</a></span>  <a class="code" href="classOption.html">Option<dev_t></a> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a4b2d34c243e8c1003c4e41cfb555c56d">major</a>; <span class="comment">// Matches all `major` numbers if None.</span></div> |
| <div class="line"><a name="l00658"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a60af9757e67d4c8efc43652f20bb4056"> 658</a></span>  <a class="code" href="classOption.html">Option<dev_t></a> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a60af9757e67d4c8efc43652f20bb4056">minor</a>; <span class="comment">// Matches all `minor` numbers if None.</span></div> |
| <div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  };</div> |
| <div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div> |
| <div class="line"><a name="l00661"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Access.html"> 661</a></span>  <span class="keyword">struct </span><a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html">Access</a></div> |
| <div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  {</div> |
| <div class="line"><a name="l00663"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a2e0ee4dedc591ab4084fa5b18c534622"> 663</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a2e0ee4dedc591ab4084fa5b18c534622">read</a>;</div> |
| <div class="line"><a name="l00664"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a17b904b39513304a638f83ba7fd84553"> 664</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a17b904b39513304a638f83ba7fd84553">write</a>;</div> |
| <div class="line"><a name="l00665"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#ab38d2c3d4bdc288790c33ce5aa16fab7"> 665</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html#ab38d2c3d4bdc288790c33ce5aa16fab7">mknod</a>;</div> |
| <div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  };</div> |
| <div class="line"><a name="l00667"></a><span class="lineno"> 667</span> </div> |
| <div class="line"><a name="l00668"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry.html#a1fac1cd1d3e8b37fae9e07b8dfb869f6"> 668</a></span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">Selector</a> <a class="code" href="structcgroups_1_1devices_1_1Entry.html#a1fac1cd1d3e8b37fae9e07b8dfb869f6">selector</a>;</div> |
| <div class="line"><a name="l00669"></a><span class="lineno"><a class="line" href="structcgroups_1_1devices_1_1Entry.html#a37b3fbfb25ffa5fe1b02274e8eddca40"> 669</a></span>  <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html">Access</a> <a class="code" href="structcgroups_1_1devices_1_1Entry.html#a37b3fbfb25ffa5fe1b02274e8eddca40">access</a>;</div> |
| <div class="line"><a name="l00670"></a><span class="lineno"> 670</span> };</div> |
| <div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div> |
| <div class="line"><a name="l00672"></a><span class="lineno"> 672</span> std::ostream& <a class="code" href="namespacecgroups_1_1devices.html#affb102eb88017ce14b105cb8fcce9a84">operator<<</a>(</div> |
| <div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  std::ostream& stream,</div> |
| <div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4">Entry::Selector::Type</a>& <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>);</div> |
| <div class="line"><a name="l00675"></a><span class="lineno"> 675</span> </div> |
| <div class="line"><a name="l00676"></a><span class="lineno"> 676</span> std::ostream& <a class="code" href="namespacecgroups_1_1devices.html#affb102eb88017ce14b105cb8fcce9a84">operator<<</a>(</div> |
| <div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  std::ostream& stream,</div> |
| <div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">Entry::Selector</a>& selector);</div> |
| <div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div> |
| <div class="line"><a name="l00680"></a><span class="lineno"> 680</span> std::ostream& <a class="code" href="namespacecgroups_1_1devices.html#affb102eb88017ce14b105cb8fcce9a84">operator<<</a>(</div> |
| <div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  std::ostream& stream,</div> |
| <div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html">Entry::Access</a>& <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a183c9254867f964281aabd1098ee04ce">access</a>);</div> |
| <div class="line"><a name="l00683"></a><span class="lineno"> 683</span> </div> |
| <div class="line"><a name="l00684"></a><span class="lineno"> 684</span> std::ostream& <a class="code" href="namespacecgroups_1_1devices.html#affb102eb88017ce14b105cb8fcce9a84">operator<<</a>(</div> |
| <div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  std::ostream& stream,</div> |
| <div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a>& entry);</div> |
| <div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div> |
| <div class="line"><a name="l00688"></a><span class="lineno"> 688</span> </div> |
| <div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="keywordtype">bool</span> <a class="code" href="namespacecgroups_1_1devices.html#ad6bfb775bb8896d8bb6c9d81d2028d35">operator==</a>(</div> |
| <div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">Entry::Selector</a>& left,</div> |
| <div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">Entry::Selector</a>& right);</div> |
| <div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div> |
| <div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="keywordtype">bool</span> <a class="code" href="namespacecgroups_1_1devices.html#ad6bfb775bb8896d8bb6c9d81d2028d35">operator==</a>(</div> |
| <div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html">Entry::Access</a>& left,</div> |
| <div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry_1_1Access.html">Entry::Access</a>& right);</div> |
| <div class="line"><a name="l00696"></a><span class="lineno"> 696</span> </div> |
| <div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="keywordtype">bool</span> <a class="code" href="namespacecgroups_1_1devices.html#ad6bfb775bb8896d8bb6c9d81d2028d35">operator==</a>(</div> |
| <div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a>& left,</div> |
| <div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a>& right);</div> |
| <div class="line"><a name="l00700"></a><span class="lineno"> 700</span> </div> |
| <div class="line"><a name="l00701"></a><span class="lineno"> 701</span> </div> |
| <div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="comment">// Returns the entries within devices.list.</span></div> |
| <div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <a class="code" href="classTry.html">Try<std::vector<Entry></a>> <a class="code" href="namespacecgroups_1_1devices.html#a22494291bc2cb89697dcd2b5f288bdd3">list</a>(</div> |
| <div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div> |
| <div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="comment">// Writes the provided `entry` into devices.allow.</span></div> |
| <div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1devices.html#a047af8257f0258023ae25e2e0faf0bc7">allow</a>(</div> |
| <div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a>& entry);</div> |
| <div class="line"><a name="l00712"></a><span class="lineno"> 712</span> </div> |
| <div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment">// Writes the provided `entry` into devices.deny.</span></div> |
| <div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1devices.html#a852fdfc78e6c575e93b04024d3628332">deny</a>(</div> |
| <div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>,</div> |
| <div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keyword">const</span> <a class="code" href="structcgroups_1_1devices_1_1Entry.html">Entry</a>& entry);</div> |
| <div class="line"><a name="l00718"></a><span class="lineno"> 718</span> </div> |
| <div class="line"><a name="l00719"></a><span class="lineno"> 719</span> } <span class="comment">// namespace devices {</span></div> |
| <div class="line"><a name="l00720"></a><span class="lineno"> 720</span> </div> |
| <div class="line"><a name="l00721"></a><span class="lineno"> 721</span> </div> |
| <div class="line"><a name="l00722"></a><span class="lineno"> 722</span> <span class="comment">// Freezer controls.</span></div> |
| <div class="line"><a name="l00723"></a><span class="lineno"> 723</span> <span class="comment">// The freezer can be in one of three states:</span></div> |
| <div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="comment">// 1. THAWED : No process in the cgroup is frozen.</span></div> |
| <div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="comment">// 2. FREEZING : Freezing is in progress but not all processes are frozen.</span></div> |
| <div class="line"><a name="l00726"></a><span class="lineno"> 726</span> <span class="comment">// 3. FROZEN : All processes are frozen.</span></div> |
| <div class="line"><a name="l00727"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1freezer.html"> 727</a></span> <span class="keyword">namespace </span>freezer {</div> |
| <div class="line"><a name="l00728"></a><span class="lineno"> 728</span> </div> |
| <div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="comment">// Freeze all processes in the given cgroup. The cgroup must be in a freezer</span></div> |
| <div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="comment">// hierarchy. This function will return a future which will become ready when</span></div> |
| <div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="comment">// all processes have been frozen (cgroup is in the FROZEN state).</span></div> |
| <div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacecgroups_1_1freezer.html#acbf172cde90bf96824bd2ef922f7209c">freeze</a>(</div> |
| <div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div> |
| <div class="line"><a name="l00736"></a><span class="lineno"> 736</span> </div> |
| <div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="comment">// Thaw all processes in the given cgroup. The cgroup must be in a freezer</span></div> |
| <div class="line"><a name="l00738"></a><span class="lineno"> 738</span> <span class="comment">// hierarchy. This is a revert operation of freezer::freeze. This function will</span></div> |
| <div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="comment">// return a future which will become ready when all processes have been thawed</span></div> |
| <div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="comment">// (cgroup is in the THAWED state).</span></div> |
| <div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacecgroups_1_1freezer.html#a89c8e50bd48b88331ea04f742c378bea">thaw</a>(</div> |
| <div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keyword">const</span> std::string& cgroup);</div> |
| <div class="line"><a name="l00744"></a><span class="lineno"> 744</span> </div> |
| <div class="line"><a name="l00745"></a><span class="lineno"> 745</span> } <span class="comment">// namespace freezer {</span></div> |
| <div class="line"><a name="l00746"></a><span class="lineno"> 746</span> </div> |
| <div class="line"><a name="l00747"></a><span class="lineno"> 747</span> </div> |
| <div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="comment">// Net_cls subsystem.</span></div> |
| <div class="line"><a name="l00749"></a><span class="lineno"><a class="line" href="namespacecgroups_1_1net__cls.html"> 749</a></span> <span class="keyword">namespace </span>net_cls {</div> |
| <div class="line"><a name="l00750"></a><span class="lineno"> 750</span> </div> |
| <div class="line"><a name="l00751"></a><span class="lineno"> 751</span> <span class="comment">// Read the uint32_t handle set in `net_cls.classid`.</span></div> |
| <div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <a class="code" href="classTry.html">Try<uint32_t></a> <a class="code" href="namespacecgroups_1_1net__cls.html#a4be3a8048a2534d857fc1ba1aac7c5ea">classid</a>(</div> |
| <div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">hierarchy</a>,</div> |
| <div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroup</a>);</div> |
| <div class="line"><a name="l00755"></a><span class="lineno"> 755</span> </div> |
| <div class="line"><a name="l00756"></a><span class="lineno"> 756</span> </div> |
| <div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment">// Write the uint32_t handle to the `net_cls.classid`.</span></div> |
| <div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespacecgroups_1_1net__cls.html#a4be3a8048a2534d857fc1ba1aac7c5ea">classid</a>(</div> |
| <div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keyword">const</span> std::string& hierarchy,</div> |
| <div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keyword">const</span> std::string& cgroup,</div> |
| <div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keyword">const</span> uint32_t handle);</div> |
| <div class="line"><a name="l00762"></a><span class="lineno"> 762</span> </div> |
| <div class="line"><a name="l00763"></a><span class="lineno"> 763</span> } <span class="comment">// namespace net_cls {</span></div> |
| <div class="line"><a name="l00764"></a><span class="lineno"> 764</span> </div> |
| <div class="line"><a name="l00765"></a><span class="lineno"> 765</span> } <span class="comment">// namespace cgroups {</span></div> |
| <div class="line"><a name="l00766"></a><span class="lineno"> 766</span> </div> |
| <div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="keyword">namespace </span>std {</div> |
| <div class="line"><a name="l00768"></a><span class="lineno"> 768</span> </div> |
| <div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="keyword">template</span> <></div> |
| <div class="line"><a name="l00770"></a><span class="lineno"><a class="line" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html"> 770</a></span> <span class="keyword">struct </span>hash<cgroups::<a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">memory::pressure::Level</a>></div> |
| <div class="line"><a name="l00771"></a><span class="lineno"> 771</span> {</div> |
| <div class="line"><a name="l00772"></a><span class="lineno"><a class="line" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a68d464c2d14610de0ac2756ded809081"> 772</a></span>  <span class="keyword">typedef</span> <span class="keywordtype">size_t</span> <a class="code" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a68d464c2d14610de0ac2756ded809081">result_type</a>;</div> |
| <div class="line"><a name="l00773"></a><span class="lineno"> 773</span> </div> |
| <div class="line"><a name="l00774"></a><span class="lineno"><a class="line" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a79ae564cdc8d15e53d56bf29163faed6"> 774</a></span>  <span class="keyword">typedef</span> <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">cgroups::memory::pressure::Level</a> <a class="code" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a79ae564cdc8d15e53d56bf29163faed6">argument_type</a>;</div> |
| <div class="line"><a name="l00775"></a><span class="lineno"> 775</span> </div> |
| <div class="line"><a name="l00776"></a><span class="lineno"><a class="line" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a8a3547fa3586a9692559c5a39462bb8f"> 776</a></span>  <a class="code" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a68d464c2d14610de0ac2756ded809081">result_type</a> <a class="code" href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a8a3547fa3586a9692559c5a39462bb8f">operator()</a>(<span class="keyword">const</span> <a class="code" href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">argument_type</a>& level)<span class="keyword"> const</span></div> |
| <div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="keyword"> </span>{</div> |
| <div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="comment">// Use the underlying type of the enum as hash value.</span></div> |
| <div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(level);</div> |
| <div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  }</div> |
| <div class="line"><a name="l00781"></a><span class="lineno"> 781</span> };</div> |
| <div class="line"><a name="l00782"></a><span class="lineno"> 782</span> </div> |
| <div class="line"><a name="l00783"></a><span class="lineno"> 783</span> } <span class="comment">// namespace std {</span></div> |
| <div class="line"><a name="l00784"></a><span class="lineno"> 784</span> </div> |
| <div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="preprocessor">#endif // __CGROUPS_HPP__</span></div> |
| <div class="ttc" id="namespacecgroups_html_aceb245d6ea6362ac1c2b1247556179d6"><div class="ttname"><a href="namespacecgroups.html#aceb245d6ea6362ac1c2b1247556179d6">cgroups::isolate</a></div><div class="ttdeci">Try< Nothing > isolate(const std::string &hierarchy, const std::string &cgroup, pid_t pid)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a3901fb22702c5ae9ca80a4ea0093e8f4a3c94fe830ac18aa182887ab6ac05b596"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a3c94fe830ac18aa182887ab6ac05b596">cgroups::devices::Entry::Selector::Type::CHARACTER</a></div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Access_html_ab38d2c3d4bdc288790c33ce5aa16fab7"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Access.html#ab38d2c3d4bdc288790c33ce5aa16fab7">cgroups::devices::Entry::Access::mknod</a></div><div class="ttdeci">bool mknod</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:665</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1oom_1_1killer_html_af756053616263ee886f511c49dbe5d6f"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#af756053616263ee886f511c49dbe5d6f">cgroups::memory::oom::killer::enabled</a></div><div class="ttdeci">Try< bool > enabled(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option< std::string ></a></div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1oom_1_1killer_html_adeb417cd82edadd687c4ae8eab50cd3d"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#adeb417cd82edadd687c4ae8eab50cd3d">cgroups::memory::oom::killer::enable</a></div><div class="ttdeci">Try< Nothing > enable(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_html"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry.html">cgroups::devices::Entry</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:643</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="timeout_8hpp_html"><div class="ttname"><a href="timeout_8hpp.html">timeout.hpp</a></div></div> |
| <div class="ttc" id="namespacecgroups_html_a56d29749c5955372d012171f5c9b1724"><div class="ttname"><a href="namespacecgroups.html#a56d29749c5955372d012171f5c9b1724">cgroups::busy</a></div><div class="ttdeci">Try< bool > busy(const std::string &subsystems)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html">cgroups::devices::Entry::Selector</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:647</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpu_html_ae1e13b6a56a0a53e4981d6863fe6dcf8"><div class="ttname"><a href="namespacecgroups_1_1cpu.html#ae1e13b6a56a0a53e4981d6863fe6dcf8">cgroups::cpu::shares</a></div><div class="ttdeci">Try< Nothing > shares(const std::string &hierarchy, const std::string &cgroup, uint64_t shares)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpuacct_html_a0aa25320dd324ad06619c2d650020102"><div class="ttname"><a href="namespacecgroups_1_1cpuacct.html#a0aa25320dd324ad06619c2d650020102">cgroups::cpuacct::stat</a></div><div class="ttdeci">Try< Stats > stat(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1devices_html_affb102eb88017ce14b105cb8fcce9a84"><div class="ttname"><a href="namespacecgroups_1_1devices.html#affb102eb88017ce14b105cb8fcce9a84">cgroups::devices::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &stream, const Entry::Selector::Type &type)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_a01c45929d5ad8ea9666323d5509b3439"><div class="ttname"><a href="namespacecgroups_1_1memory.html#a01c45929d5ad8ea9666323d5509b3439">cgroups::memory::max_usage_in_bytes</a></div><div class="ttdeci">Try< Bytes > max_usage_in_bytes(const std::string &hierarchy, const std::string &cgroup)</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< bool > cleanup(const std::string &hierarchy)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1oom_html_a1348c624eeb20c69226598e0a0f61a1d"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1oom.html#a1348c624eeb20c69226598e0a0f61a1d">cgroups::memory::oom::listen</a></div><div class="ttdeci">process::Future< Nothing > listen(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_a77ac10d99550237ae21b85493b82e241"><div class="ttname"><a href="namespacecgroups_1_1memory.html#a77ac10d99550237ae21b85493b82e241">cgroups::memory::memsw_usage_in_bytes</a></div><div class="ttdeci">Try< Bytes > memsw_usage_in_bytes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_html_a72b082f94735385e2c44a3fad3d97969"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry.html#a72b082f94735385e2c44a3fad3d97969">cgroups::devices::Entry::parse</a></div><div class="ttdeci">static Try< Entry > parse(const std::string &s)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Access_html_a17b904b39513304a638f83ba7fd84553"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a17b904b39513304a638f83ba7fd84553">cgroups::devices::Entry::Access::write</a></div><div class="ttdeci">bool write</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:664</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_abcf50b175fea5a521400f6b9e5574e90"><div class="ttname"><a href="namespacecgroups_1_1memory.html#abcf50b175fea5a521400f6b9e5574e90">cgroups::memory::limit_in_bytes</a></div><div class="ttdeci">Try< Bytes > limit_in_bytes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4_html_a8a3547fa3586a9692559c5a39462bb8f"><div class="ttname"><a href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a8a3547fa3586a9692559c5a39462bb8f">std::hash< cgroups::memory::pressure::Level >::operator()</a></div><div class="ttdeci">result_type operator()(const argument_type &level) const </div><div class="ttdef"><b>Definition:</b> cgroups.hpp:776</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_ae91ff64aa5ccd2344ab9d8ecf31134e0"><div class="ttname"><a href="namespacecgroups_1_1memory.html#ae91ff64aa5ccd2344ab9d8ecf31134e0">cgroups::memory::memsw_limit_in_bytes</a></div><div class="ttdeci">Result< Bytes > memsw_limit_in_bytes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4_html_a79ae564cdc8d15e53d56bf29163faed6"><div class="ttname"><a href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a79ae564cdc8d15e53d56bf29163faed6">std::hash< cgroups::memory::pressure::Level >::argument_type</a></div><div class="ttdeci">cgroups::memory::pressure::Level argument_type</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:774</div></div> |
| <div class="ttc" id="structcgroups_1_1cpuacct_1_1Stats_html_ab51b181cb31485ec27aa1b8ae3ea6156"><div class="ttname"><a href="structcgroups_1_1cpuacct_1_1Stats.html#ab51b181cb31485ec27aa1b8ae3ea6156">cgroups::cpuacct::Stats::system</a></div><div class="ttdeci">const Duration system</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:466</div></div> |
| <div class="ttc" id="namespacecgroups_html_a0dccf61f2e6889ebe2c0e743d969e4c5"><div class="ttname"><a href="namespacecgroups.html#a0dccf61f2e6889ebe2c0e743d969e4c5">cgroups::THREAD_ASSIGN_RETRIES</a></div><div class="ttdeci">const unsigned int THREAD_ASSIGN_RETRIES</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:54</div></div> |
| <div class="ttc" id="classDuration_html"><div class="ttname"><a href="classDuration.html">Duration</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:32</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="namespacecgroups_1_1memory_1_1pressure_html_ad8d4aa5c0e09cc87fef44d6713f7b61fab6f800fb2d0b06cdfd0b6129ffb34473"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab6f800fb2d0b06cdfd0b6129ffb34473">cgroups::memory::pressure::CRITICAL</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:593</div></div> |
| <div class="ttc" id="namespacecgroups_1_1event_html_a6f0a35d2d8f1381bc000001c94155393"><div class="ttname"><a href="namespacecgroups_1_1event.html#a6f0a35d2d8f1381bc000001c94155393">cgroups::event::listen</a></div><div class="ttdeci">process::Future< uint64_t > listen(const std::string &hierarchy, const std::string &cgroup, const std::string &control, const Option< std::string > &args=Option< std::string >::none())</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpuacct_html_a18a0bd7bb34d289f8c1694bf8c472bf5"><div class="ttname"><a href="namespacecgroups_1_1cpuacct.html#a18a0bd7bb34d289f8c1694bf8c472bf5">cgroups::cpuacct::cgroup</a></div><div class="ttdeci">Result< std::string > cgroup(pid_t pid)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Access_html"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Access.html">cgroups::devices::Entry::Access</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:661</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a60af9757e67d4c8efc43652f20bb4056"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a60af9757e67d4c8efc43652f20bb4056">cgroups::devices::Entry::Selector::minor</a></div><div class="ttdeci">Option< dev_t > minor</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:658</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="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a3901fb22702c5ae9ca80a4ea0093e8f4a4d34f53389ed7f28ca91fc31ea360a66"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a4d34f53389ed7f28ca91fc31ea360a66">cgroups::devices::Entry::Selector::Type::BLOCK</a></div></div> |
| <div class="ttc" id="duration_8hpp_html"><div class="ttname"><a href="duration_8hpp.html">duration.hpp</a></div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1pressure_html_ad8d4aa5c0e09cc87fef44d6713f7b61fab0b8865245ba2ef579a93fd37a0447c1"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fab0b8865245ba2ef579a93fd37a0447c1">cgroups::memory::pressure::LOW</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:591</div></div> |
| <div class="ttc" id="classcgroups_1_1memory_1_1pressure_1_1Counter_html_ae6f003780ad9f85ac1242cc94cb523dc"><div class="ttname"><a href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#ae6f003780ad9f85ac1242cc94cb523dc">cgroups::memory::pressure::Counter::~Counter</a></div><div class="ttdeci">virtual ~Counter()</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1pressure_html_ad8d4aa5c0e09cc87fef44d6713f7b61fa1ebe98a0194fb5f47db36364abe6b20b"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61fa1ebe98a0194fb5f47db36364abe6b20b">cgroups::memory::pressure::MEDIUM</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:592</div></div> |
| <div class="ttc" id="namespacemesos_1_1uri_html_a0a3b30c1eb427c4053aaef120b1f453c"><div class="ttname"><a href="namespacemesos_1_1uri.html#a0a3b30c1eb427c4053aaef120b1f453c">mesos::uri::file</a></div><div class="ttdeci">URI file(const std::string &path)</div><div class="ttdoc">Creates a file URI with the given path on the local host. </div><div class="ttdef"><b>Definition:</b> file.hpp:33</div></div> |
| <div class="ttc" id="nothing_8hpp_html"><div class="ttname"><a href="nothing_8hpp.html">nothing.hpp</a></div></div> |
| <div class="ttc" id="bytes_8hpp_html"><div class="ttname"><a href="bytes_8hpp.html">bytes.hpp</a></div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a3901fb22702c5ae9ca80a4ea0093e8f4"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4">cgroups::devices::Entry::Selector::Type</a></div><div class="ttdeci">Type</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:649</div></div> |
| <div class="ttc" id="namespacecgroups_html_af94090b7b947fde2603c22b609650c9b"><div class="ttname"><a href="namespacecgroups.html#af94090b7b947fde2603c22b609650c9b">cgroups::unmount</a></div><div class="ttdeci">Try< Nothing > unmount(const std::string &hierarchy)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1oom_1_1killer_html_a12bd1e391ba4dacf25a4d18e663829c6"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1oom_1_1killer.html#a12bd1e391ba4dacf25a4d18e663829c6">cgroups::memory::oom::killer::disable</a></div><div class="ttdeci">Try< Nothing > disable(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="classSeconds_html"><div class="ttname"><a href="classSeconds.html">Seconds</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:243</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpu_html_a5812b138d0955c063c3b3c9bbf7838f8"><div class="ttname"><a href="namespacecgroups_1_1cpu.html#a5812b138d0955c063c3b3c9bbf7838f8">cgroups::cpu::cfs_period_us</a></div><div class="ttdeci">Try< Nothing > cfs_period_us(const std::string &hierarchy, const std::string &cgroup, const Duration &duration)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_html_a1fac1cd1d3e8b37fae9e07b8dfb869f6"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry.html#a1fac1cd1d3e8b37fae9e07b8dfb869f6">cgroups::devices::Entry::selector</a></div><div class="ttdeci">Selector selector</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:668</div></div> |
| <div class="ttc" id="namespacecgroups_html_a5207e520ebc1a375a7b50532217e77d5"><div class="ttname"><a href="namespacecgroups.html#a5207e520ebc1a375a7b50532217e77d5">cgroups::FREEZE_RETRY_INTERVAL</a></div><div class="ttdeci">const Duration FREEZE_RETRY_INTERVAL</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:50</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a4b2d34c243e8c1003c4e41cfb555c56d"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a4b2d34c243e8c1003c4e41cfb555c56d">cgroups::devices::Entry::Selector::major</a></div><div class="ttdeci">Option< dev_t > major</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:657</div></div> |
| <div class="ttc" id="namespacecgroups_html_aff40863260825f6176d8195102a0a47f"><div class="ttname"><a href="namespacecgroups.html#aff40863260825f6176d8195102a0a47f">cgroups::destroy</a></div><div class="ttdeci">process::Future< Nothing > destroy(const std::string &hierarchy, const std::string &cgroup="/")</div></div> |
| <div class="ttc" id="option_8hpp_html"><div class="ttname"><a href="option_8hpp.html">option.hpp</a></div></div> |
| <div class="ttc" id="namespacecgroups_html_a78e3c7ca2e422779908eec45f859d757"><div class="ttname"><a href="namespacecgroups.html#a78e3c7ca2e422779908eec45f859d757">cgroups::stat</a></div><div class="ttdeci">Try< hashmap< std::string, uint64_t > > stat(const std::string &hierarchy, const std::string &cgroup, const std::string &file)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_a1839563c856a81176f928d3fd6012b9d"><div class="ttname"><a href="namespacecgroups_1_1memory.html#a1839563c856a81176f928d3fd6012b9d">cgroups::memory::soft_limit_in_bytes</a></div><div class="ttdeci">Try< Bytes > soft_limit_in_bytes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="classcgroups_1_1memory_1_1pressure_1_1Counter_html_a60ef2a7979f45a18914478f1e749debd"><div class="ttname"><a href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#a60ef2a7979f45a18914478f1e749debd">cgroups::memory::pressure::Counter::value</a></div><div class="ttdeci">process::Future< uint64_t > value() const </div></div> |
| <div class="ttc" id="namespacecgroups_1_1devices_html_a22494291bc2cb89697dcd2b5f288bdd3"><div class="ttname"><a href="namespacecgroups_1_1devices.html#a22494291bc2cb89697dcd2b5f288bdd3">cgroups::devices::list</a></div><div class="ttdeci">Try< std::vector< Entry > > list(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="future_8hpp_html"><div class="ttname"><a href="future_8hpp.html">future.hpp</a></div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1pressure_html_a189f8e20c812f6618523d39356cbbf5a"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1pressure.html#a189f8e20c812f6618523d39356cbbf5a">cgroups::memory::pressure::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &stream, Level level)</div></div> |
| <div class="ttc" id="namespacecgroups_html_a379912fbd52d8dba056a7d94041a224e"><div class="ttname"><a href="namespacecgroups.html#a379912fbd52d8dba056a7d94041a224e">cgroups::mounted</a></div><div class="ttdeci">Try< bool > mounted(const std::string &hierarchy, const std::string &subsystems="")</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a183c9254867f964281aabd1098ee04ce"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a183c9254867f964281aabd1098ee04ce">access</a></div><div class="ttdeci">auto access(const char *fileName, int accessMode) -></div><div class="ttdef"><b>Definition:</b> windows.hpp:397</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpu_html_ac24be84e6df1750b4082bbb6512de76b"><div class="ttname"><a href="namespacecgroups_1_1cpu.html#ac24be84e6df1750b4082bbb6512de76b">cgroups::cpu::cgroup</a></div><div class="ttdeci">Result< std::string > cgroup(pid_t pid)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_afee7087a3ff0a92fcfeb12a92041f723"><div class="ttname"><a href="namespacecgroups_1_1memory.html#afee7087a3ff0a92fcfeb12a92041f723">cgroups::memory::cgroup</a></div><div class="ttdeci">Result< std::string > cgroup(pid_t pid)</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="namespacecgroups_html_aa3c1a4d4d11cca392dc45ff363718fc1"><div class="ttname"><a href="namespacecgroups.html#aa3c1a4d4d11cca392dc45ff363718fc1">cgroups::mount</a></div><div class="ttdeci">Try< Nothing > mount(const std::string &hierarchy, const std::string &subsystems, int retry=0)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Access_html_a2e0ee4dedc591ab4084fa5b18c534622"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Access.html#a2e0ee4dedc591ab4084fa5b18c534622">cgroups::devices::Entry::Access::read</a></div><div class="ttdeci">bool read</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:663</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_html_a37b3fbfb25ffa5fe1b02274e8eddca40"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry.html#a37b3fbfb25ffa5fe1b02274e8eddca40">cgroups::devices::Entry::access</a></div><div class="ttdeci">Access access</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:669</div></div> |
| <div class="ttc" id="namespacecgroups_html_ad3e8800b1782f900cead465f7920dfa5"><div class="ttname"><a href="namespacecgroups.html#ad3e8800b1782f900cead465f7920dfa5">cgroups::processes</a></div><div class="ttdeci">Try< std::set< pid_t > > processes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1net__cls_html_a4be3a8048a2534d857fc1ba1aac7c5ea"><div class="ttname"><a href="namespacecgroups_1_1net__cls.html#a4be3a8048a2534d857fc1ba1aac7c5ea">cgroups::net_cls::classid</a></div><div class="ttdeci">Try< uint32_t > classid(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_html_a149585d37c91a4340c1bedcd20a37de9"><div class="ttname"><a href="namespacecgroups_1_1memory.html#a149585d37c91a4340c1bedcd20a37de9">cgroups::memory::usage_in_bytes</a></div><div class="ttdeci">Try< Bytes > usage_in_bytes(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="classcgroups_1_1memory_1_1pressure_1_1Counter_html"><div class="ttname"><a href="classcgroups_1_1memory_1_1pressure_1_1Counter.html">cgroups::memory::pressure::Counter</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:608</div></div> |
| <div class="ttc" id="namespacecgroups_1_1freezer_html_acbf172cde90bf96824bd2ef922f7209c"><div class="ttname"><a href="namespacecgroups_1_1freezer.html#acbf172cde90bf96824bd2ef922f7209c">cgroups::freezer::freeze</a></div><div class="ttdeci">process::Future< Nothing > freeze(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacemesos_1_1internal_1_1fs_html_a2343e2642db514496ba8380776487fba"><div class="ttname"><a href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">mesos::internal::fs::type</a></div><div class="ttdeci">Try< uint32_t > type(const std::string &path)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1devices_html_a047af8257f0258023ae25e2e0faf0bc7"><div class="ttname"><a href="namespacecgroups_1_1devices.html#a047af8257f0258023ae25e2e0faf0bc7">cgroups::devices::allow</a></div><div class="ttdeci">Try< Nothing > allow(const std::string &hierarchy, const std::string &cgroup, const Entry &entry)</div></div> |
| <div class="ttc" id="classcgroups_1_1memory_1_1pressure_1_1Counter_html_a09f588cc494b8f52ece29a07816dec03"><div class="ttname"><a href="classcgroups_1_1memory_1_1pressure_1_1Counter.html#a09f588cc494b8f52ece29a07816dec03">cgroups::memory::pressure::Counter::create</a></div><div class="ttdeci">static Try< process::Owned< Counter > > create(const std::string &hierarchy, const std::string &cgroup, Level level)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1memory_1_1pressure_html_ad8d4aa5c0e09cc87fef44d6713f7b61f"><div class="ttname"><a href="namespacecgroups_1_1memory_1_1pressure.html#ad8d4aa5c0e09cc87fef44d6713f7b61f">cgroups::memory::pressure::Level</a></div><div class="ttdeci">Level</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:589</div></div> |
| <div class="ttc" id="namespacecgroups_html_adabca75358eab66d19aaed528dd251d7"><div class="ttname"><a href="namespacecgroups.html#adabca75358eab66d19aaed528dd251d7">cgroups::hierarchies</a></div><div class="ttdeci">Try< std::set< std::string > > hierarchies()</div></div> |
| <div class="ttc" id="structcgroups_1_1cpuacct_1_1Stats_html"><div class="ttname"><a href="structcgroups_1_1cpuacct_1_1Stats.html">cgroups::cpuacct::Stats</a></div><div class="ttdef"><b>Definition:</b> cgroups.hpp:463</div></div> |
| <div class="ttc" id="namespacecgroups_html_a549f051f3df2b570aef0ee2b806020e3"><div class="ttname"><a href="namespacecgroups.html#a549f051f3df2b570aef0ee2b806020e3">cgroups::enabled</a></div><div class="ttdeci">bool enabled()</div></div> |
| <div class="ttc" id="namespacecgroups_html_a4bf20862574beb5b0f9af7799489866f"><div class="ttname"><a href="namespacecgroups.html#a4bf20862574beb5b0f9af7799489866f">cgroups::prepare</a></div><div class="ttdeci">Try< std::string > prepare(const std::string &baseHierarchy, const std::string &subsystem, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_html_a2ecc89636706df947027a4c3c2100fbe"><div class="ttname"><a href="namespacecgroups.html#a2ecc89636706df947027a4c3c2100fbe">cgroups::create</a></div><div class="ttdeci">Try< Nothing > create(const std::string &hierarchy, const std::string &cgroup, bool recursive=false)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1cpu_html_a1bb4a783c8366d7f8ee6f5215f7907bf"><div class="ttname"><a href="namespacecgroups_1_1cpu.html#a1bb4a783c8366d7f8ee6f5215f7907bf">cgroups::cpu::cfs_quota_us</a></div><div class="ttdeci">Try< Duration > cfs_quota_us(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_html_ab75e1e2d1be63eec907bf12306a7c8a7"><div class="ttname"><a href="namespacecgroups.html#ab75e1e2d1be63eec907bf12306a7c8a7">cgroups::kill</a></div><div class="ttdeci">Try< Nothing > kill(const std::string &hierarchy, const std::string &cgroup, int signal)</div></div> |
| <div class="ttc" id="namespacecgroups_html_a3e497aa6d62c407000dffd5f0516a53c"><div class="ttname"><a href="namespacecgroups.html#a3e497aa6d62c407000dffd5f0516a53c">cgroups::DESTROY_TIMEOUT</a></div><div class="ttdeci">const Duration DESTROY_TIMEOUT</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:44</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="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4_html_a68d464c2d14610de0ac2756ded809081"><div class="ttname"><a href="structstd_1_1hash_3_01cgroups_1_1memory_1_1pressure_1_1Level_01_4.html#a68d464c2d14610de0ac2756ded809081">std::hash< cgroups::memory::pressure::Level >::result_type</a></div><div class="ttdeci">size_t result_type</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:772</div></div> |
| <div class="ttc" id="namespacecgroups_html_ad675453425dc290064c609351f2e3363"><div class="ttname"><a href="namespacecgroups.html#ad675453425dc290064c609351f2e3363">cgroups::hierarchy</a></div><div class="ttdeci">Result< std::string > hierarchy(const std::string &subsystems)</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< Memory > memory()</div><div class="ttdef"><b>Definition:</b> freebsd.hpp:77</div></div> |
| <div class="ttc" id="classprocess_1_1Owned_html"><div class="ttname"><a href="classprocess_1_1Owned.html">process::Owned< CounterProcess ></a></div></div> |
| <div class="ttc" id="structcgroups_1_1cpuacct_1_1Stats_html_a1b38c25b7fb38ecd11576aa16f4a8a68"><div class="ttname"><a href="structcgroups_1_1cpuacct_1_1Stats.html#a1b38c25b7fb38ecd11576aa16f4a8a68">cgroups::cpuacct::Stats::user</a></div><div class="ttdeci">const Duration user</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:465</div></div> |
| <div class="ttc" id="namespacecgroups_html_a60fe712940bfb345dc346c1dbc622cf5"><div class="ttname"><a href="namespacecgroups.html#a60fe712940bfb345dc346c1dbc622cf5">cgroups::assign</a></div><div class="ttdeci">Try< Nothing > assign(const std::string &hierarchy, const std::string &cgroup, pid_t pid)</div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_a3901fb22702c5ae9ca80a4ea0093e8f4a5fb1f955b45e38e31789286a1790398d"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#a3901fb22702c5ae9ca80a4ea0093e8f4a5fb1f955b45e38e31789286a1790398d">cgroups::devices::Entry::Selector::Type::ALL</a></div></div> |
| <div class="ttc" id="structcgroups_1_1devices_1_1Entry_1_1Selector_html_ae7566a068a554a9727f32aa50f3eeb81"><div class="ttname"><a href="structcgroups_1_1devices_1_1Entry_1_1Selector.html#ae7566a068a554a9727f32aa50f3eeb81">cgroups::devices::Entry::Selector::type</a></div><div class="ttdeci">Type type</div><div class="ttdef"><b>Definition:</b> cgroups.hpp:656</div></div> |
| <div class="ttc" id="namespacecgroups_html_ad199dcd922eab26b23b7011c7e0ca34a"><div class="ttname"><a href="namespacecgroups.html#ad199dcd922eab26b23b7011c7e0ca34a">cgroups::write</a></div><div class="ttdeci">Try< Nothing > write(const std::string &hierarchy, const std::string &cgroup, const std::string &control, const std::string &value)</div></div> |
| <div class="ttc" id="namespacecgroups_html_a9fb61299862484ab2d1bd382ea109ca9"><div class="ttname"><a href="namespacecgroups.html#a9fb61299862484ab2d1bd382ea109ca9">cgroups::threads</a></div><div class="ttdeci">Try< std::set< pid_t > > threads(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1devices_html_a852fdfc78e6c575e93b04024d3628332"><div class="ttname"><a href="namespacecgroups_1_1devices.html#a852fdfc78e6c575e93b04024d3628332">cgroups::devices::deny</a></div><div class="ttdeci">Try< Nothing > deny(const std::string &hierarchy, const std::string &cgroup, const Entry &entry)</div></div> |
| <div class="ttc" id="hashmap_8hpp_html"><div class="ttname"><a href="hashmap_8hpp.html">hashmap.hpp</a></div></div> |
| <div class="ttc" id="namespacecgroups_html_a8a1f39ed37d38f45bf997bbb2f6b791c"><div class="ttname"><a href="namespacecgroups.html#a8a1f39ed37d38f45bf997bbb2f6b791c">cgroups::exists</a></div><div class="ttdeci">Try< bool > exists(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_html_a43ff5aa5dec5f24b0a3620847e9dd6b6"><div class="ttname"><a href="namespacecgroups.html#a43ff5aa5dec5f24b0a3620847e9dd6b6">cgroups::subsystems</a></div><div class="ttdeci">Try< std::set< std::string > > subsystems()</div></div> |
| <div class="ttc" id="namespacecgroups_html_aa696e42fa4a13e922dee2d1f869146d2"><div class="ttname"><a href="namespacecgroups.html#aa696e42fa4a13e922dee2d1f869146d2">cgroups::read</a></div><div class="ttdeci">Try< std::string > read(const std::string &hierarchy, const std::string &cgroup, const std::string &control)</div></div> |
| <div class="ttc" id="classprocess_1_1Future_html"><div class="ttname"><a href="classprocess_1_1Future.html">process::Future</a></div><div class="ttdef"><b>Definition:</b> future.hpp:56</div></div> |
| <div class="ttc" id="namespacecgroups_1_1freezer_html_a89c8e50bd48b88331ea04f742c378bea"><div class="ttname"><a href="namespacecgroups_1_1freezer.html#a89c8e50bd48b88331ea04f742c378bea">cgroups::freezer::thaw</a></div><div class="ttdeci">process::Future< Nothing > thaw(const std::string &hierarchy, const std::string &cgroup)</div></div> |
| <div class="ttc" id="namespacecgroups_1_1devices_html_ad6bfb775bb8896d8bb6c9d81d2028d35"><div class="ttname"><a href="namespacecgroups_1_1devices.html#ad6bfb775bb8896d8bb6c9d81d2028d35">cgroups::devices::operator==</a></div><div class="ttdeci">bool operator==(const Entry::Selector &left, const Entry::Selector &right)</div></div> |
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