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<a href="a01530.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">// <thread> -*- C++ -*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file include/thread</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is a Standard C++ Library header.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</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">#ifndef _GLIBCXX_THREAD</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#define _GLIBCXX_THREAD 1</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#pragma GCC system_header</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifndef __GXX_EXPERIMENTAL_CXX0X__</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="a01013.html">bits/c++0x_warning.h</a>></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="a01034.html">chrono</a>></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a01201.html">functional</a>></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a01307.html">memory</a>></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="a01200.html">bits/functexcept.h</a>></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="a01203.html">bits/functional_hash.h</a>></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <bits/gthr.h></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @defgroup threads Threads</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * @ingroup concurrency</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * Classes for thread support.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> /// thread</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="code" href="a00916.html"> 60</a></span> <span class="comment"></span> <span class="keyword">class </span><a class="code" href="a00916.html" title="thread">thread</a></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> __gthread_t native_handle_type;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">struct </span>_Impl_base;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">typedef</span> <a class="code" href="a00469.html">shared_ptr<_Impl_base></a> <a class="code" href="a00469.html">__shared_base_type</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> /// thread::id</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="a00917.html"> 68</a></span> <span class="comment"></span> <span class="keyword">class </span><a class="code" href="a00917.html" title="thread::id">id</a></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>  native_handle_type _M_thread;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="a00917.html" title="thread::id">id</a>() noexcept : _M_thread() { }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="a00917.html" title="thread::id">id</a>(native_handle_type __id) : _M_thread(__id) { }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00916.html" title="thread">thread</a>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00683.html" title="Primary class template hash.">hash</a><thread::<a class="code" href="a00917.html" title="thread::id">id</a>>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  friend bool</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  operator==(thread::id __x, thread::id __y) noexcept</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  { <span class="keywordflow">return</span> __gthread_equal(__x._M_thread, __y._M_thread); }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  operator<(<a class="code" href="a00917.html" title="thread::id">thread::id</a> __x, <a class="code" href="a00917.html" title="thread::id">thread::id</a> __y) noexcept</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  { <span class="keywordflow">return</span> __x._M_thread < __y._M_thread; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">template</span><<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">friend</span> <a class="code" href="a00432.html" title="Template class basic_ostream.This is the base class for all output streams. It provides text formatti...">basic_ostream<_CharT, _Traits></a>&</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  operator<<(basic_ostream<_CharT, _Traits>& __out, <a class="code" href="a00917.html" title="thread::id">thread::id</a> __id);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// Simple base type that the templatized, derived class containing</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// an arbitrary functor can be converted to and called.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">struct </span>_Impl_base</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="a00469.html">__shared_base_type</a> _M_this_ptr;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">inline</span> <span class="keyword">virtual</span> ~_Impl_base();</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> _M_run() = 0;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  };</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Callable></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">struct </span>_Impl : <span class="keyword">public</span> _Impl_base</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  _Callable _M_func;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  _Impl(_Callable&& __f) : _M_func(std::<a class="code" href="a01643.html#gacb5baec338e12b99cb6bddea7506c7c6" title="Forward an lvalue.">forward</a><_Callable>(__f))</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  { }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  _M_run() { _M_func(); }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  };</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">id</span> _M_id;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  thread() noexcept = default;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  thread(thread&) = delete;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  thread(const thread&) = delete;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  thread(thread&& __t) noexcept</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  { swap(__t); }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Callable, <span class="keyword">typename</span>... _Args></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">explicit</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  thread(_Callable&& __f, _Args&&... __args)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  _M_start_thread(_M_make_routine(std::__bind_simple(</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::forward<_Callable>(__f),</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  std::forward<_Args>(__args)...)));</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  ~thread()</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (joinable())</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="a01630.html#ga39553839b12d33d09a4e450a393789ce">std::terminate</a>();</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  thread& operator=(<span class="keyword">const</span> thread&) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  thread& operator=(thread&& __t) noexcept</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (joinable())</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="a01630.html#ga39553839b12d33d09a4e450a393789ce">std::terminate</a>();</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  swap(__t);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  swap(thread& __t) noexcept</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  { std::swap(_M_id, __t._M_id); }</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>  <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  joinable() const noexcept</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  { <span class="keywordflow">return</span> !(_M_id == id()); }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  join();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  detach();</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>  thread::id</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  get_id() const noexcept</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  { <span class="keywordflow">return</span> _M_id; }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"></span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> /** @pre thread is joinable</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  native_handle_type</div>
<div class="line"><a name="l00175"></a><span class="lineno"><a class="code" href="a00916.html#a6d1397f899cbcd9d48a6cb6b1df5ab1c"> 175</a></span>  <a class="code" href="a00916.html#a6d1397f899cbcd9d48a6cb6b1df5ab1c">native_handle</a>()</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  { <span class="keywordflow">return</span> _M_id._M_thread; }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Returns a value that hints at the number of hardware thread contexts.</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  hardware_concurrency() noexcept;</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>  private:</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  _M_start_thread(__shared_base_type);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  template<typename _Callable></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="a00469.html" title="A smart pointer with reference-counted copy semantics.">shared_ptr</a><_Impl<_Callable>></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  _M_make_routine(_Callable&& __f)</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// Create and allocate full data structure, not base.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> std::make_shared<_Impl<_Callable>>(std::forward<_Callable>(__f));</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  };</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="keyword">inline</span> thread::_Impl_base::~_Impl_base() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  swap(thread& __x, thread& __y) noexcept</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  { __x.swap(__y); }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  operator!=(thread::id __x, thread::id __y) noexcept</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  { <span class="keywordflow">return</span> !(__x == __y); }</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="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  operator<=(thread::id __x, thread::id __y) noexcept</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  { <span class="keywordflow">return</span> !(__y < __x); }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  operator>(thread::id __x, thread::id __y) noexcept</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  { <span class="keywordflow">return</span> __y < __x; }</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>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  operator>=(thread::id __x, thread::id __y) noexcept</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  { <span class="keywordflow">return</span> !(__x < __y); }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// DR 889.</span><span class="comment"></span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> /// std::hash specialization for thread::id.</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"></span> <span class="keyword">template</span><></div>
<div class="line"><a name="l00220"></a><span class="lineno"><a class="code" href="a00711.html"> 220</a></span>  <span class="keyword">struct </span><a class="code" href="a00683.html" title="Primary class template hash.">hash</a><<a class="code" href="a00916.html" title="thread">thread</a>::id></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  : <span class="keyword">public</span> __hash_base<size_t, thread::id></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">size_t</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  operator()(<span class="keyword">const</span> <a class="code" href="a00917.html" title="thread::id">thread::id</a>& __id) <span class="keyword">const</span> noexcept</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  { <span class="keywordflow">return</span> std::_Hash_impl::hash(__id._M_thread); }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  };</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">template</span><<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">inline</span> <a class="code" href="a00432.html" title="Template class basic_ostream.This is the base class for all output streams. It provides text formatti...">basic_ostream<_CharT, _Traits></a>&</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  operator<<(basic_ostream<_CharT, _Traits>& __out, <a class="code" href="a00917.html" title="thread::id">thread::id</a> __id)</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> (__id == <a class="code" href="a00917.html" title="thread::id">thread::id</a>())</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> __out << <span class="stringliteral">"thread::id of a non-executing thread"</span>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> __out << __id._M_thread;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"></span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> /** @namespace std::this_thread</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * @brief ISO C++ 0x entities sub namespace for thread.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * 30.2.2 Namespace this_thread.</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">namespace </span>this_thread</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  _GLIBCXX_BEGIN_NAMESPACE_VERSION</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"></span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> /// get_id</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"></span> <span class="keyword">inline</span> thread::id</div>
<div class="line"><a name="l00250"></a><span class="lineno"><a class="code" href="a01617.html#ad4ed754e0d5a61283cf36f4918ab3444"> 250</a></span>  <a class="code" href="a01617.html#ad4ed754e0d5a61283cf36f4918ab3444" title="get_id">get_id</a>() noexcept { <span class="keywordflow">return</span> <a class="code" href="a00917.html" title="thread::id">thread::id</a>(__gthread_self()); }</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="preprocessor">#ifdef _GLIBCXX_USE_SCHED_YIELD</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor"></span><span class="comment"> /// yield</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"><a class="code" href="a01617.html#a2a1ecebfe73aaa3eb40e909991bbd16e"> 255</a></span>  <a class="code" href="a01617.html#a2a1ecebfe73aaa3eb40e909991bbd16e" title="yield">yield</a>() noexcept</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  { __gthread_yield(); }</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_NANOSLEEP</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"></span><span class="comment"> /// sleep_for</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Rep, <span class="keyword">typename</span> _Period></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="code" href="a01617.html#a7ddb6a2d48e0bb2cace6dd67c4c38596"> 263</a></span>  <a class="code" href="a01617.html#a7ddb6a2d48e0bb2cace6dd67c4c38596" title="sleep_for">sleep_for</a>(<span class="keyword">const</span> <a class="code" href="a00609.html" title="duration">chrono::duration<_Rep, _Period></a>& __rtime)</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>  <a class="code" href="a00609.html" title="duration">chrono::seconds</a> __s =</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="a01612.html#a98f89f48d8117f57ee6c7d5392ad9fdd" title="duration_cast">chrono::duration_cast</a><<a class="code" href="a00609.html" title="duration">chrono::seconds</a>>(__rtime);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="a00609.html" title="duration">chrono::nanoseconds</a> __ns =</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="a01612.html#a98f89f48d8117f57ee6c7d5392ad9fdd" title="duration_cast">chrono::duration_cast</a><<a class="code" href="a00609.html" title="duration">chrono::nanoseconds</a>>(__rtime - __s);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  __gthread_time_t __ts =</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  {</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keyword">static_cast<</span>std::time_t<span class="keyword">></span>(__s.count()),</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  static_cast<long>(__ns.count())</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  };</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  ::nanosleep(&__ts, 0);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"></span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> /// sleep_until</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Clock, <span class="keyword">typename</span> _Duration></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"><a class="code" href="a01617.html#a277096a2cdd1fc66b7569f457b731bfb"> 283</a></span>  <a class="code" href="a01617.html#a277096a2cdd1fc66b7569f457b731bfb" title="sleep_until">sleep_until</a>(<span class="keyword">const</span> <a class="code" href="a00612.html" title="time_point">chrono::time_point<_Clock, _Duration></a>& __atime)</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  { <a class="code" href="a01617.html#a7ddb6a2d48e0bb2cace6dd67c4c38596" title="sleep_for">sleep_for</a>(__atime - _Clock::now()); }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// @} group threads</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> } <span class="comment">// namespace</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="preprocessor">#endif // __GXX_EXPERIMENTAL_CXX0X__</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#endif // _GLIBCXX_THREAD</span></div>
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