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<a href="a00524.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">// std::mutex implementation -*- 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) 2003-2018 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 bits/std_mutex.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Do not attempt to use it directly. @headername{mutex}</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _GLIBCXX_MUTEX_H</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define _GLIBCXX_MUTEX_H 1</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#pragma GCC system_header</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#if __cplusplus < 201103L</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"># include <<a class="code" href="a00299.html">bits/c++0x_warning.h</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#else</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"> 39</span> <span class="preprocessor">#include <<a class="code" href="a00155.html">system_error</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a00356.html">bits/functexcept.h</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <bits/gthr.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="a00422.html">bits/move.h</a>></span> <span class="comment">// for std::swap</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_C99_STDINT_TR1</span></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> <span class="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"></span></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"> * @defgroup mutexes Mutexes</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @ingroup concurrency</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * Classes for mutex support.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * @{</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> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#ifdef _GLIBCXX_HAS_GTHREADS</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Common base class for std::mutex and std::timed_mutex</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">class </span>__mutex_base</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">protected</span>:</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> __gthread_mutex_t __native_type;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#ifdef __GTHREAD_MUTEX_INIT</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  __native_type _M_mutex = __GTHREAD_MUTEX_INIT;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  constexpr __mutex_base() noexcept = default;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  __native_type _M_mutex;</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>  __mutex_base() noexcept</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">// XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  __GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</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>  ~__mutex_base() noexcept { __gthread_mutex_destroy(&_M_mutex); }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  __mutex_base(<span class="keyword">const</span> __mutex_base&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  __mutex_base& operator=(<span class="keyword">const</span> __mutex_base&) = <span class="keyword">delete</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"></span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> /// The standard mutex type.</span></div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="a07155.html"> 86</a></span> <span class="comment"></span> <span class="keyword">class </span><a class="code" href="a07155.html">mutex</a> : <span class="keyword">private</span> __mutex_base</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">typedef</span> __native_type* native_handle_type;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#ifdef __GTHREAD_MUTEX_INIT</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  constexpr</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="a07155.html">mutex</a>() noexcept = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ~<a class="code" href="a07155.html">mutex</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="a07155.html">mutex</a>(<span class="keyword">const</span> <a class="code" href="a07155.html">mutex</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="a07155.html">mutex</a>& operator=(<span class="keyword">const</span> <a class="code" href="a07155.html">mutex</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  lock()</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="keywordtype">int</span> __e = __gthread_mutex_lock(&_M_mutex);</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>  <span class="comment">// EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (__e)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  __throw_system_error(__e);</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> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  try_lock() noexcept</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>  <span class="comment">// XXX EINVAL, EAGAIN, EBUSY</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> !__gthread_mutex_trylock(&_M_mutex);</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> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  unlock()</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// XXX EINVAL, EAGAIN, EPERM</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  __gthread_mutex_unlock(&_M_mutex);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</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>  native_handle_type</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  native_handle() noexcept</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  { <span class="keywordflow">return</span> &_M_mutex; }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  };</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="preprocessor">#endif // _GLIBCXX_HAS_GTHREADS</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"></span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> /// Do not acquire ownership of the mutex.</span></div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="a07159.html"> 132</a></span> <span class="comment"></span> <span class="keyword">struct </span><a class="code" href="a07159.html">defer_lock_t</a> { <span class="keyword">explicit</span> <a class="code" href="a07159.html">defer_lock_t</a>() = <span class="keywordflow">default</span>; };</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> /// Try to acquire ownership of the mutex without blocking.</span></div><div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="a07163.html"> 135</a></span> <span class="comment"></span> <span class="keyword">struct </span><a class="code" href="a07163.html">try_to_lock_t</a> { <span class="keyword">explicit</span> <a class="code" href="a07163.html">try_to_lock_t</a>() = <span class="keywordflow">default</span>; };</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"></span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> /// Assume the calling thread has already obtained mutex ownership</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> /// and manage it.</span></div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="a07167.html"> 139</a></span> <span class="comment"></span> <span class="keyword">struct </span><a class="code" href="a07167.html">adopt_lock_t</a> { <span class="keyword">explicit</span> <a class="code" href="a07167.html">adopt_lock_t</a>() = <span class="keywordflow">default</span>; };</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"></span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> /// Tag used to prevent a scoped lock from acquiring ownership of a mutex.</span></div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="a01498.html#ga70a73adf8c062ea682cd99580d0a39be"> 142</a></span> <span class="comment"></span> _GLIBCXX17_INLINE constexpr <a class="code" href="a07159.html">defer_lock_t</a> <a class="code" href="a01498.html#ga70a73adf8c062ea682cd99580d0a39be">defer_lock</a> { };</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"></span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> /// Tag used to prevent a scoped lock from blocking if a mutex is locked.</span></div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="a01498.html#ga05e641e1ecba98edb6fa4714a6c03e0d"> 145</a></span> <span class="comment"></span> _GLIBCXX17_INLINE constexpr <a class="code" href="a07163.html">try_to_lock_t</a> <a class="code" href="a01498.html#ga05e641e1ecba98edb6fa4714a6c03e0d">try_to_lock</a> { };</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"></span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> /// Tag used to make a scoped lock take ownership of a locked mutex.</span></div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="a01498.html#ga742a9b4798379cd99d03bbf298d3685c"> 148</a></span> <span class="comment"></span> _GLIBCXX17_INLINE constexpr <a class="code" href="a07167.html">adopt_lock_t</a> <a class="code" href="a01498.html#ga742a9b4798379cd99d03bbf298d3685c">adopt_lock</a> { };</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"></span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> /** @brief A simple scoped lock type.</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> *</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * A lock_guard controls mutex ownership within a scope, releasing</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * ownership in the destructor.</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> */</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Mutex></div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="a07171.html"> 156</a></span>  <span class="keyword">class </span><a class="code" href="a07171.html">lock_guard</a></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="keyword">public</span>:</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">typedef</span> _Mutex mutex_type;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">explicit</span> <a class="code" href="a07171.html">lock_guard</a>(mutex_type& __m) : _M_device(__m)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  { _M_device.lock(); }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="a07171.html">lock_guard</a>(mutex_type& __m, <a class="code" href="a07167.html">adopt_lock_t</a>) noexcept : _M_device(__m)</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  { } <span class="comment">// calling thread owns mutex</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  ~<a class="code" href="a07171.html">lock_guard</a>()</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  { _M_device.unlock(); }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="a07171.html">lock_guard</a>(<span class="keyword">const</span> <a class="code" href="a07171.html">lock_guard</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="a07171.html">lock_guard</a>& operator=(<span class="keyword">const</span> <a class="code" href="a07171.html">lock_guard</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  mutex_type& _M_device;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  };</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> /** @brief A movable scoped lock type.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> *</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * A unique_lock controls mutex ownership within a scope. Ownership of the</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * mutex can be delayed until after construction and can be transferred</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * to another unique_lock by move construction or move assignment. If a</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * mutex lock is owned when the destructor runs ownership will be released.</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> */</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Mutex></div><div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="a07175.html"> 185</a></span>  <span class="keyword">class </span><a class="code" href="a07175.html">unique_lock</a></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">typedef</span> _Mutex mutex_type;</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>  <a class="code" href="a07175.html">unique_lock</a>() noexcept</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  : _M_device(0), _M_owns(<span class="keyword">false</span>)</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>  <span class="keyword">explicit</span> <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m)</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)), _M_owns(<span class="keyword">false</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>  lock();</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  _M_owns = <span class="keyword">true</span>;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</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>  <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m, <a class="code" href="a07159.html">defer_lock_t</a>) noexcept</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)), _M_owns(<span class="keyword">false</span>)</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>  <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m, <a class="code" href="a07163.html">try_to_lock_t</a>)</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)), _M_owns(_M_device->try_lock())</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  { }</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>  <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m, <a class="code" href="a07167.html">adopt_lock_t</a>) noexcept</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)), _M_owns(<span class="keyword">true</span>)</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// XXX calling thread owns mutex</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> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Clock, <span class="keyword">typename</span> _Duration></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">const</span> <a class="code" href="a01835.html">chrono::time_point<_Clock, _Duration></a>& __atime)</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)),</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  _M_owns(_M_device->try_lock_until(__atime))</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  { }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Rep, <span class="keyword">typename</span> _Period></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="a07175.html">unique_lock</a>(mutex_type& __m,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">const</span> <a class="code" href="a01831.html">chrono::duration<_Rep, _Period></a>& __rtime)</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  : _M_device(<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__m)),</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  _M_owns(_M_device->try_lock_for(__rtime))</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> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  ~<a class="code" href="a07175.html">unique_lock</a>()</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (_M_owns)</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  unlock();</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="a07175.html">unique_lock</a>(<span class="keyword">const</span> <a class="code" href="a07175.html">unique_lock</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="a07175.html">unique_lock</a>& operator=(<span class="keyword">const</span> <a class="code" href="a07175.html">unique_lock</a>&) = <span class="keyword">delete</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>  <a class="code" href="a07175.html">unique_lock</a>(<a class="code" href="a07175.html">unique_lock</a>&& __u) noexcept</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  : _M_device(__u._M_device), _M_owns(__u._M_owns)</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  __u._M_device = 0;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  __u._M_owns = <span class="keyword">false</span>;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="a07175.html">unique_lock</a>& operator=(<a class="code" href="a07175.html">unique_lock</a>&& __u) noexcept</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span>(_M_owns)</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  unlock();</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="a07175.html">unique_lock</a>(std::move(__u)).swap(*<span class="keyword">this</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>  __u._M_device = 0;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  __u._M_owns = <span class="keyword">false</span>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  lock()</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (!_M_device)</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::operation_not_permitted));</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_owns)</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::resource_deadlock_would_occur));</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  _M_device->lock();</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  _M_owns = <span class="keyword">true</span>;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  try_lock()</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (!_M_device)</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::operation_not_permitted));</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_owns)</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::resource_deadlock_would_occur));</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">else</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>  _M_owns = _M_device->try_lock();</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> _M_owns;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Clock, <span class="keyword">typename</span> _Duration></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  try_lock_until(<span class="keyword">const</span> <a class="code" href="a01835.html">chrono::time_point<_Clock, _Duration></a>& __atime)</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="keywordflow">if</span> (!_M_device)</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::operation_not_permitted));</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_owns)</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::resource_deadlock_would_occur));</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  _M_owns = _M_device->try_lock_until(__atime);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> _M_owns;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</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="keyword">template</span><<span class="keyword">typename</span> _Rep, <span class="keyword">typename</span> _Period></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  try_lock_for(<span class="keyword">const</span> <a class="code" href="a01831.html">chrono::duration<_Rep, _Period></a>& __rtime)</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (!_M_device)</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::operation_not_permitted));</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_owns)</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::resource_deadlock_would_occur));</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  _M_owns = _M_device->try_lock_for(__rtime);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> _M_owns;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  unlock()</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  {</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (!_M_owns)</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  __throw_system_error(<span class="keywordtype">int</span>(errc::operation_not_permitted));</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_device)</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  _M_device->unlock();</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  _M_owns = <span class="keyword">false</span>;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  }</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  swap(<a class="code" href="a07175.html">unique_lock</a>& __u) noexcept</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  {</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  std::swap(_M_device, __u._M_device);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  std::swap(_M_owns, __u._M_owns);</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  mutex_type*</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  release() noexcept</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  mutex_type* __ret = _M_device;</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  _M_device = 0;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  _M_owns = <span class="keyword">false</span>;</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> __ret;</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  owns_lock() <span class="keyword">const</span> noexcept</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  { <span class="keywordflow">return</span> _M_owns; }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() <span class="keyword">const</span> noexcept</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  { <span class="keywordflow">return</span> owns_lock(); }</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>  mutex_type*</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <a class="code" href="a07155.html">mutex</a>() <span class="keyword">const</span> noexcept</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  { <span class="keywordflow">return</span> _M_device; }</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  mutex_type* _M_device;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordtype">bool</span> _M_owns; <span class="comment">// XXX use atomic_bool</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  };</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"></span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> /// Swap overload for unique_lock objects.</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Mutex></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="a01498.html#gac58580a65df691769770684cc985719d"> 363</a></span>  swap(<a class="code" href="a07175.html">unique_lock<_Mutex></a>& __x, <a class="code" href="a07175.html">unique_lock<_Mutex></a>& __y) noexcept</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  { __x.swap(__y); }</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="comment">// @} group mutexes</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor">#endif // _GLIBCXX_USE_C99_STDINT_TR1</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> <span class="preprocessor">#endif // C++11</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#endif // _GLIBCXX_MUTEX_H</span></div><div class="ttc" id="a00422_html"><div class="ttname"><a href="a00422.html">move.h</a></div></div>
<div class="ttc" id="a07167_html"><div class="ttname"><a href="a07167.html">std::adopt_lock_t</a></div><div class="ttdoc">Assume the calling thread has already obtained mutex ownership and manage it.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00139">std_mutex.h:139</a></div></div>
<div class="ttc" id="a01498_html_ga70a73adf8c062ea682cd99580d0a39be"><div class="ttname"><a href="a01498.html#ga70a73adf8c062ea682cd99580d0a39be">std::defer_lock</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr defer_lock_t defer_lock</div><div class="ttdoc">Tag used to prevent a scoped lock from acquiring ownership of a mutex.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00142">std_mutex.h:142</a></div></div>
<div class="ttc" id="a07155_html"><div class="ttname"><a href="a07155.html">std::mutex</a></div><div class="ttdoc">The standard mutex type.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00086">std_mutex.h:86</a></div></div>
<div class="ttc" id="a00356_html"><div class="ttname"><a href="a00356.html">functexcept.h</a></div></div>
<div class="ttc" id="a07175_html"><div class="ttname"><a href="a07175.html">std::unique_lock</a></div><div class="ttdoc">A movable scoped lock type.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00185">std_mutex.h:185</a></div></div>
<div class="ttc" id="a07163_html"><div class="ttname"><a href="a07163.html">std::try_to_lock_t</a></div><div class="ttdoc">Try to acquire ownership of the mutex without blocking.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00135">std_mutex.h:135</a></div></div>
<div class="ttc" id="a01480_html_ga1954d5552e24586051011312041033f6"><div class="ttname"><a href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a></div><div class="ttdeci">constexpr _Tp * __addressof(_Tp &__r) noexcept</div><div class="ttdoc">Same as C++11 std::addressof.</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00047">move.h:47</a></div></div>
<div class="ttc" id="a00155_html"><div class="ttname"><a href="a00155.html">system_error</a></div></div>
<div class="ttc" id="a01835_html"><div class="ttname"><a href="a01835.html">std::chrono::time_point< _Clock, _Duration ></a></div></div>
<div class="ttc" id="a00299_html"><div class="ttname"><a href="a00299.html">c++0x_warning.h</a></div></div>
<div class="ttc" id="a01541_html"><div class="ttname"><a href="a01541.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a01498_html_ga742a9b4798379cd99d03bbf298d3685c"><div class="ttname"><a href="a01498.html#ga742a9b4798379cd99d03bbf298d3685c">std::adopt_lock</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr adopt_lock_t adopt_lock</div><div class="ttdoc">Tag used to make a scoped lock take ownership of a locked mutex.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00148">std_mutex.h:148</a></div></div>
<div class="ttc" id="a07171_html"><div class="ttname"><a href="a07171.html">std::lock_guard</a></div><div class="ttdoc">A simple scoped lock type.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00156">std_mutex.h:156</a></div></div>
<div class="ttc" id="a01498_html_ga05e641e1ecba98edb6fa4714a6c03e0d"><div class="ttname"><a href="a01498.html#ga05e641e1ecba98edb6fa4714a6c03e0d">std::try_to_lock</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr try_to_lock_t try_to_lock</div><div class="ttdoc">Tag used to prevent a scoped lock from blocking if a mutex is locked.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00145">std_mutex.h:145</a></div></div>
<div class="ttc" id="a01831_html"><div class="ttname"><a href="a01831.html">std::chrono::duration</a></div><div class="ttdoc">duration</div><div class="ttdef"><b>Definition:</b> <a href="a00050_source.html#l00064">chrono:64</a></div></div>
<div class="ttc" id="a07159_html"><div class="ttname"><a href="a07159.html">std::defer_lock_t</a></div><div class="ttdoc">Do not acquire ownership of the mutex.</div><div class="ttdef"><b>Definition:</b> <a href="a00524_source.html#l00132">std_mutex.h:132</a></div></div>
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