<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: shared_ptr_atomic.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('a00470_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">shared_ptr_atomic.h</div> </div> </div><!--header--> <div class="contents"> <a href="a00470.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">// shared_ptr atomic access -*- 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) 2014-2015 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/shared_ptr_atomic.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{memory}</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 _SHARED_PTR_ATOMIC_H</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define _SHARED_PTR_ATOMIC_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">#include <<a class="code" href="a00266.html">bits/atomic_base.h</a>></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="keyword">namespace </span><a class="code" href="a01487.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> /**</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * @addtogroup pointer_abstractions</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> */</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="keyword">struct </span>_Sp_locker</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>  _Sp_locker(<span class="keyword">const</span> _Sp_locker&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  _Sp_locker& operator=(<span class="keyword">const</span> _Sp_locker&) = <span class="keyword">delete</span>;</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> <span class="preprocessor">#ifdef __GTHREADS</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  _Sp_locker(<span class="keyword">const</span> <span class="keywordtype">void</span>*) noexcept;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  _Sp_locker(<span class="keyword">const</span> <span class="keywordtype">void</span>*, <span class="keyword">const</span> <span class="keywordtype">void</span>*) noexcept;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  ~_Sp_locker();</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> _M_key1;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> _M_key2;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">explicit</span> _Sp_locker(<span class="keyword">const</span> <span class="keywordtype">void</span>*, <span class="keyword">const</span> <span class="keywordtype">void</span>* = <span class="keyword">nullptr</span>) { }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></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="comment"></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> /**</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * @brief Report whether shared_ptr atomic operations are lock-free.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * @param __p A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * @return True if atomic access to @c *__p is lock-free, false otherwise.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> */</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="a01425.html#ga26f0b2f2e5e143c43b9ac86853cdb495"> 71</a></span>  atomic_is_lock_free(<span class="keyword">const</span> __shared_ptr<_Tp, _Lp>* __p)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#ifdef __GTHREADS</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> __gthread_active_p() == 0;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="a01425.html#ga5fe925503fa03a8132ab6ac8c3d05017"> 82</a></span>  atomic_is_lock_free(<span class="keyword">const</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  { <span class="keywordflow">return</span> std::atomic_is_lock_free<_Tp, __default_lock_policy>(__p); }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> /**</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> * @brief Atomic load for shared_ptr objects.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> * @param __p A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * @return @c *__p</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> *</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * The memory order shall not be @c memory_order_release or</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * @c memory_order_acq_rel.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> */</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">inline</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a></div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="a01425.html#gac5834272ab3ee80d5263ec71c30d4e40"> 98</a></span>  atomic_load_explicit(<span class="keyword">const</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</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>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> *__p;</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> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">inline</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a></div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="a01425.html#gaa1f2f437e65f14cbc39dc5aa9c7787cb"> 106</a></span>  atomic_load(<span class="keyword">const</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  { <span class="keywordflow">return</span> <a class="code" href="a01425.html#gac10fed73419a9afc7442fcf685c9f4ef">std::atomic_load_explicit</a>(__p, memory_order_seq_cst); }</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">inline</span> __shared_ptr<_Tp, _Lp></div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="a01425.html#gac10fed73419a9afc7442fcf685c9f4ef"> 111</a></span>  atomic_load_explicit(<span class="keyword">const</span> __shared_ptr<_Tp, _Lp>* __p, <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</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>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> *__p;</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="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">inline</span> __shared_ptr<_Tp, _Lp></div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="a01425.html#ga068286dfd18be5a7656c478f4b23ea11"> 119</a></span>  atomic_load(<span class="keyword">const</span> __shared_ptr<_Tp, _Lp>* __p)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  { <span class="keywordflow">return</span> <a class="code" href="a01425.html#gac10fed73419a9afc7442fcf685c9f4ef">std::atomic_load_explicit</a>(__p, memory_order_seq_cst); }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"></span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> /**</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * @brief Atomic store for shared_ptr objects.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> * @param __p A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * @param __r The value to store.</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> *</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * The memory order shall not be @c memory_order_acquire or</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> * @c memory_order_acq_rel.</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"> */</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="a01425.html#gac459811f24dfa61ca04dff98c59b0433"> 134</a></span>  atomic_store_explicit(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a> __r,</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</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>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  __p->swap(__r); <span class="comment">// use swap so that **__p not destroyed while lock held</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="a01425.html#gaad7c9077082544dc2454ef66eb252cad"> 143</a></span>  atomic_store(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a> __r)</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  { <a class="code" href="a01425.html#ga4fb42f2c743388ba4dcf24abf0cc2701">std::atomic_store_explicit</a>(__p, std::move(__r), memory_order_seq_cst); }</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="a01425.html#ga4fb42f2c743388ba4dcf24abf0cc2701"> 148</a></span>  atomic_store_explicit(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  __shared_ptr<_Tp, _Lp> __r,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  __p->swap(__r); <span class="comment">// use swap so that **__p not destroyed while lock held</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="a01425.html#gaf607a58027ea400e7688daa2832c67ef"> 158</a></span>  atomic_store(__shared_ptr<_Tp, _Lp>* __p, __shared_ptr<_Tp, _Lp> __r)</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  { <a class="code" href="a01425.html#ga4fb42f2c743388ba4dcf24abf0cc2701">std::atomic_store_explicit</a>(__p, std::move(__r), memory_order_seq_cst); }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"></span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> /**</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * @brief Atomic exchange for shared_ptr objects.</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * @param __p A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * @param __r New value to store in @c *__p.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * @return The original value of @c *__p</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> */</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a></div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="a01425.html#ga663e97cb5020aa674934c4eda56ea7a0"> 171</a></span>  atomic_exchange_explicit(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a> __r,</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  __p->swap(__r);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> __r;</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> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">inline</span> <a class="code" href="a06085.html">shared_ptr<_Tp></a></div><div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="a01425.html#ga0e05e0e96f4b0cfdce2e7f6143976070"> 181</a></span>  atomic_exchange(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a> __r)</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#gac73bf6a6160e468fc776581bcecd5424">std::atomic_exchange_explicit</a>(__p, std::move(__r),</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  memory_order_seq_cst);</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> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">inline</span> __shared_ptr<_Tp, _Lp></div><div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="a01425.html#gac73bf6a6160e468fc776581bcecd5424"> 189</a></span>  atomic_exchange_explicit(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  __shared_ptr<_Tp, _Lp> __r,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</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>  _Sp_locker __lock{__p};</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  __p->swap(__r);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> __r;</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> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">inline</span> __shared_ptr<_Tp, _Lp></div><div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="a01425.html#ga419348e5a13dcd7fdccd244f6c15bd35"> 200</a></span>  atomic_exchange(__shared_ptr<_Tp, _Lp>* __p, __shared_ptr<_Tp, _Lp> __r)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#gac73bf6a6160e468fc776581bcecd5424">std::atomic_exchange_explicit</a>(__p, std::move(__r),</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  memory_order_seq_cst);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"></span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> /**</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * @brief Atomic compare-and-swap for shared_ptr objects.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * @param __p A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * @param __v A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * @param __w A non-null pointer to a shared_ptr object.</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> * @return True if @c *__p was equivalent to @c *__v, false otherwise.</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> *</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * The memory order for failure shall not be @c memory_order_release or</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * @c memory_order_acq_rel, or stronger than the memory order for success.</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> */</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="a01425.html#ga7b812df2cdd0c01f09d65168d22418c9"> 220</a></span>  atomic_compare_exchange_strong_explicit(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p,</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __v,</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a> __w,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a> __x; <span class="comment">// goes out of scope after __lock</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  _Sp_locker __lock{__p, __v};</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="a06097.html">owner_less<shared_ptr<_Tp></a>> __less;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (*__p == *__v && !__less(*__p, *__v) && !__less(*__v, *__p))</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>  __x = std::move(*__p);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  *__p = std::move(__w);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  __x = std::move(*__v);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  *__v = *__p;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="a01425.html#ga8b4c27092fe0543d16aa24679ab64f35"> 242</a></span>  atomic_compare_exchange_strong(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __v,</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a> __w)</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>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8">std::atomic_compare_exchange_strong_explicit</a>(__p, __v,</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  std::move(__w), memory_order_seq_cst, memory_order_seq_cst);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="a01425.html#ga8ddc9b0002afbe0001718de9c8ca931e"> 251</a></span>  atomic_compare_exchange_weak_explicit(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p,</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __v,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a> __w,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a> __success,</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a> __failure)</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>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8">std::atomic_compare_exchange_strong_explicit</a>(__p, __v,</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  std::move(__w), __success, __failure);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="a01425.html#ga6aa9828191cf7749c72581e719dde0b0"> 263</a></span>  atomic_compare_exchange_weak(<a class="code" href="a06085.html">shared_ptr<_Tp></a>* __p, <a class="code" href="a06085.html">shared_ptr<_Tp></a>* __v,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="a06085.html">shared_ptr<_Tp></a> __w)</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga31df9efdf79235d0f8e112d245deb431">std::atomic_compare_exchange_weak_explicit</a>(__p, __v,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  std::move(__w), memory_order_seq_cst, memory_order_seq_cst);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8"> 272</a></span>  atomic_compare_exchange_strong_explicit(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  __shared_ptr<_Tp, _Lp>* __v,</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  __shared_ptr<_Tp, _Lp> __w,</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>,</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a>)</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  {</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  __shared_ptr<_Tp, _Lp> __x; <span class="comment">// goes out of scope after __lock</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  _Sp_locker __lock{__p, __v};</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="a06097.html">owner_less<__shared_ptr<_Tp, _Lp></a>> __less;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (*__p == *__v && !__less(*__p, *__v) && !__less(*__v, *__p))</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  {</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  __x = std::move(*__p);</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  *__p = std::move(__w);</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  __x = std::move(*__v);</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  *__v = *__p;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="a01425.html#ga7f9e658275d4a2cdbf1b6a00d02adcc7"> 294</a></span>  atomic_compare_exchange_strong(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  __shared_ptr<_Tp, _Lp>* __v,</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  __shared_ptr<_Tp, _Lp> __w)</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8">std::atomic_compare_exchange_strong_explicit</a>(__p, __v,</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  std::move(__w), memory_order_seq_cst, memory_order_seq_cst);</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> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="a01425.html#ga31df9efdf79235d0f8e112d245deb431"> 304</a></span>  atomic_compare_exchange_weak_explicit(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  __shared_ptr<_Tp, _Lp>* __v,</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  __shared_ptr<_Tp, _Lp> __w,</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a> __success,</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">memory_order</a> __failure)</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  {</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8">std::atomic_compare_exchange_strong_explicit</a>(__p, __v,</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  std::move(__w), __success, __failure);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, _Lock_policy _Lp></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00316"></a><span class="lineno"><a class="line" href="a01425.html#ga6860aafd01c4daf71cca0efe5193437f"> 316</a></span>  atomic_compare_exchange_weak(__shared_ptr<_Tp, _Lp>* __p,</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  __shared_ptr<_Tp, _Lp>* __v,</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  __shared_ptr<_Tp, _Lp> __w)</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  {</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> <a class="code" href="a01425.html#ga31df9efdf79235d0f8e112d245deb431">std::atomic_compare_exchange_weak_explicit</a>(__p, __v,</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  std::move(__w), memory_order_seq_cst, memory_order_seq_cst);</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>  <span class="comment">// @}</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// @} group pointer_abstractions</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> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor">#endif // _SHARED_PTR_ATOMIC_H</span></div><div class="ttc" id="a01425_html_ga4fb42f2c743388ba4dcf24abf0cc2701"><div class="ttname"><a href="a01425.html#ga4fb42f2c743388ba4dcf24abf0cc2701">std::atomic_store_explicit</a></div><div class="ttdeci">void atomic_store_explicit(__shared_ptr< _Tp, _Lp > *__p, __shared_ptr< _Tp, _Lp > __r, memory_order)</div><div class="ttdoc">Atomic store for shared_ptr objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00470_source.html#l00148">shared_ptr_atomic.h:148</a></div></div> <div class="ttc" id="a01439_html_gab4f8c60de95c10793a8e3e27fcb800d9"><div class="ttname"><a href="a01439.html#gab4f8c60de95c10793a8e3e27fcb800d9">std::memory_order</a></div><div class="ttdeci">memory_order</div><div class="ttdoc">Enumeration for memory_order. </div><div class="ttdef"><b>Definition:</b> <a href="a00266_source.html#l00055">atomic_base.h:55</a></div></div> <div class="ttc" id="a01425_html_ga8ac0b3f7aae34919ebc25fc54ff6b9c8"><div class="ttname"><a href="a01425.html#ga8ac0b3f7aae34919ebc25fc54ff6b9c8">std::atomic_compare_exchange_strong_explicit</a></div><div class="ttdeci">bool atomic_compare_exchange_strong_explicit(__shared_ptr< _Tp, _Lp > *__p, __shared_ptr< _Tp, _Lp > *__v, __shared_ptr< _Tp, _Lp > __w, memory_order, memory_order)</div><div class="ttdoc">Atomic compare-and-swap for shared_ptr objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00470_source.html#l00272">shared_ptr_atomic.h:272</a></div></div> <div class="ttc" id="a01425_html_gac10fed73419a9afc7442fcf685c9f4ef"><div class="ttname"><a href="a01425.html#gac10fed73419a9afc7442fcf685c9f4ef">std::atomic_load_explicit</a></div><div class="ttdeci">__shared_ptr< _Tp, _Lp > atomic_load_explicit(const __shared_ptr< _Tp, _Lp > *__p, memory_order)</div><div class="ttdoc">Atomic load for shared_ptr objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00470_source.html#l00111">shared_ptr_atomic.h:111</a></div></div> <div class="ttc" id="a01487_html"><div class="ttname"><a href="a01487.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std. </div></div> <div class="ttc" id="a00266_html"><div class="ttname"><a href="a00266.html">atomic_base.h</a></div></div> <div class="ttc" id="a06097_html"><div class="ttname"><a href="a06097.html">std::owner_less</a></div><div class="ttdoc">Primary template owner_less. </div><div class="ttdef"><b>Definition:</b> <a href="a00467_source.html#l00539">shared_ptr.h:539</a></div></div> <div class="ttc" id="a06085_html"><div class="ttname"><a href="a06085.html">std::shared_ptr</a></div><div class="ttdoc">A smart pointer with reference-counted copy semantics. </div><div class="ttdef"><b>Definition:</b> <a href="a00467_source.html#l00093">shared_ptr.h:93</a></div></div> <div class="ttc" id="a01425_html_gac73bf6a6160e468fc776581bcecd5424"><div class="ttname"><a href="a01425.html#gac73bf6a6160e468fc776581bcecd5424">std::atomic_exchange_explicit</a></div><div class="ttdeci">__shared_ptr< _Tp, _Lp > atomic_exchange_explicit(__shared_ptr< _Tp, _Lp > *__p, __shared_ptr< _Tp, _Lp > __r, memory_order)</div><div class="ttdoc">Atomic exchange for shared_ptr objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00470_source.html#l00189">shared_ptr_atomic.h:189</a></div></div> <div class="ttc" id="a01425_html_ga31df9efdf79235d0f8e112d245deb431"><div class="ttname"><a href="a01425.html#ga31df9efdf79235d0f8e112d245deb431">std::atomic_compare_exchange_weak_explicit</a></div><div class="ttdeci">bool atomic_compare_exchange_weak_explicit(__shared_ptr< _Tp, _Lp > *__p, __shared_ptr< _Tp, _Lp > *__v, __shared_ptr< _Tp, _Lp > __w, memory_order __success, memory_order __failure)</div><div class="ttdoc">Atomic compare-and-swap for shared_ptr objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00470_source.html#l00304">shared_ptr_atomic.h:304</a></div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_3a83f109ff04170a1f8448445d1bdcba.html">include</a></li><li class="navelem"><a class="el" href="dir_599c955538774c0249d4ddd97c0a9ae8.html">bits</a></li><li class="navelem"><a class="el" href="a00470.html">shared_ptr_atomic.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li> </ul> </div> </body> </html>