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<a href="a00332.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">// Exception Handling support header (exception_ptr class) for -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2008-2018 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 GCC.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// GCC is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// the Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// GCC is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// </span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/** @file bits/exception_ptr.h</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Do not attempt to use it directly. @headername{exception}</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifndef _EXCEPTION_PTR_H</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define _EXCEPTION_PTR_H</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#pragma GCC visibility push(default)</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="a00656.html">bits/c++config.h</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="a00329.html">bits/exception_defines.h</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="a00317.html">bits/cxxabi_init_exception.h</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a00035.html">typeinfo</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a00032.html">new</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">extern</span> <span class="stringliteral">"C++"</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">namespace </span><a class="code" href="a01538.html">std</a> </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">class </span>type_info;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> /**</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @addtogroup exceptions</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"> */</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">namespace </span>__exception_ptr</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">class </span>exception_ptr;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">using</span> __exception_ptr::exception_ptr;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> /** Obtain an exception_ptr to the currently handled exception. If there</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * is none, or the currently handled exception is foreign, return the null</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * value.</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>  exception_ptr <a class="code" href="a01486.html#ga02cdcc517fefe661313437aa9356a28f">current_exception</a>() _GLIBCXX_USE_NOEXCEPT;</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>  template<typename _Ex></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  exception_ptr <a class="code" href="a01486.html#ga200c1d3152b2fd43b206da6c031b9730">make_exception_ptr</a>(_Ex) _GLIBCXX_USE_NOEXCEPT;</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"> /// Throw the object pointed to by the exception_ptr.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01486.html#ga64d0b68338d7edbfd7d95f4177dbc442">rethrow_exception</a>(exception_ptr) __attribute__ ((__noreturn__));</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  namespace __exception_ptr</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="keyword">using</span> <a class="code" href="a01486.html#ga64d0b68338d7edbfd7d95f4177dbc442">std::rethrow_exception</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"></span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> /**</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * @brief An opaque pointer to an arbitrary exception.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * @ingroup exceptions</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> */</span></div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="a05428.html"> 79</a></span>  <span class="keyword">class </span><a class="code" href="a05428.html">exception_ptr</a></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>  <span class="keywordtype">void</span>* _M_exception_object;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">explicit</span> <a class="code" href="a05428.html">exception_ptr</a>(<span class="keywordtype">void</span>* __e) _GLIBCXX_USE_NOEXCEPT;</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="keywordtype">void</span> _M_addref() _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> _M_release() _GLIBCXX_USE_NOEXCEPT;</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="keywordtype">void</span> *_M_get() <span class="keyword">const</span> _GLIBCXX_NOEXCEPT __attribute__ ((__pure__));</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">friend</span> <a class="code" href="a05428.html">exception_ptr</a> <a class="code" href="a01486.html#ga02cdcc517fefe661313437aa9356a28f">std::current_exception</a>() _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">friend</span> <span class="keywordtype">void</span> <a class="code" href="a01486.html#ga64d0b68338d7edbfd7d95f4177dbc442">std::rethrow_exception</a>(<a class="code" href="a05428.html">exception_ptr</a>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Ex></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">friend</span> <a class="code" href="a05428.html">exception_ptr</a> <a class="code" href="a01486.html#ga200c1d3152b2fd43b206da6c031b9730">std::make_exception_ptr</a>(_Ex) _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="a05428.html">exception_ptr</a>() _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="a05428.html">exception_ptr</a>(<span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&) _GLIBCXX_USE_NOEXCEPT;</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="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="a05428.html">exception_ptr</a>(nullptr_t) noexcept</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  : _M_exception_object(0)</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> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="a05428.html">exception_ptr</a>(<a class="code" href="a05428.html">exception_ptr</a>&& __o) noexcept</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  : _M_exception_object(__o._M_exception_object)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  { __o._M_exception_object = 0; }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif</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="preprocessor">#if (__cplusplus < 201103L) || defined (_GLIBCXX_EH_PTR_COMPAT)</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">typedef</span> void (<a class="code" href="a05428.html">exception_ptr</a>::*__safe_bool)();</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">// For construction from nullptr or 0.</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="a05428.html">exception_ptr</a>(__safe_bool) _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif</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>  <a class="code" href="a05428.html">exception_ptr</a>& </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  operator=(<span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&) _GLIBCXX_USE_NOEXCEPT;</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="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="a05428.html">exception_ptr</a>& </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  operator=(<a class="code" href="a05428.html">exception_ptr</a>&& __o) noexcept</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>  <a class="code" href="a05428.html">exception_ptr</a>(static_cast<exception_ptr&&>(__o)).swap(*<span class="keyword">this</span>);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif</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>  ~<a class="code" href="a05428.html">exception_ptr</a>() _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  swap(<a class="code" href="a05428.html">exception_ptr</a>&) _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#ifdef _GLIBCXX_EH_PTR_COMPAT</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Retained for compatibility with CXXABI_1.3.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">void</span> _M_safe_bool_dummy() _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  __attribute__ ((__const__));</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">bool</span> operator!() <span class="keyword">const</span> _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  __attribute__ ((__pure__));</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">operator</span> __safe_bool() <span class="keyword">const</span> _GLIBCXX_USE_NOEXCEPT;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> bool()<span class="keyword"> const</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_exception_object; }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  operator==(<span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&, <span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));</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>  <span class="keyword">const</span> <span class="keyword">class </span><a class="code" href="a01668.html">std::type_info</a>*</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  __cxa_exception_type() <span class="keyword">const</span> _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  __attribute__ ((__pure__));</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> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">bool</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  operator==(<span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&, <span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&)</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));</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="keywordtype">bool</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  operator!=(<span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&, <span class="keyword">const</span> <a class="code" href="a05428.html">exception_ptr</a>&)</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  swap(<a class="code" href="a05428.html">exception_ptr</a>& __lhs, <a class="code" href="a05428.html">exception_ptr</a>& __rhs)</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  { __lhs.swap(__rhs); }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Ex></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  __dest_thunk(<span class="keywordtype">void</span>* __x)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  { static_cast<_Ex*>(__x)->~_Ex(); }</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>  } <span class="comment">// namespace __exception_ptr</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"></span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> /// Obtain an exception_ptr pointing to a copy of the supplied object.</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Ex></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  exception_ptr </div><div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="a01486.html#ga200c1d3152b2fd43b206da6c031b9730"> 179</a></span>  <a class="code" href="a01486.html#ga200c1d3152b2fd43b206da6c031b9730">make_exception_ptr</a>(_Ex __ex) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#if __cpp_exceptions && __cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">void</span>* __e = __cxxabiv1::__cxa_allocate_exception(<span class="keyword">sizeof</span>(_Ex));</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  (void) __cxxabiv1::__cxa_init_primary_exception(</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  __e, const_cast<std::type_info*>(&<span class="keyword">typeid</span>(__ex)),</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  __exception_ptr::__dest_thunk<_Ex>);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  ::new (__e) _Ex(__ex);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> <a class="code" href="a05428.html">exception_ptr</a>(__e);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">catch</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>  __cxxabiv1::__cxa_free_exception(__e);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <a class="code" href="a01486.html#ga02cdcc517fefe661313437aa9356a28f">current_exception</a>();</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#elif __cpp_exceptions</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">throw</span> __ex;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">catch</span>(...)</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> <a class="code" href="a01486.html#ga02cdcc517fefe661313437aa9356a28f">current_exception</a>();</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="preprocessor">#else // no RTTI and no exceptions</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> <a class="code" href="a05428.html">exception_ptr</a>();</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#endif</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> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// @} group exceptions</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> } <span class="comment">// extern "C++"</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="preprocessor">#pragma GCC visibility pop</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="a00656_html"><div class="ttname"><a href="a00656.html">c++config.h</a></div></div>
<div class="ttc" id="a00035_html"><div class="ttname"><a href="a00035.html">typeinfo</a></div></div>
<div class="ttc" id="a01668_html"><div class="ttname"><a href="a01668.html">std::type_info</a></div><div class="ttdoc">Part of RTTI.</div><div class="ttdef"><b>Definition:</b> <a href="a00035_source.html#l00088">typeinfo:88</a></div></div>
<div class="ttc" id="a01486_html_ga64d0b68338d7edbfd7d95f4177dbc442"><div class="ttname"><a href="a01486.html#ga64d0b68338d7edbfd7d95f4177dbc442">std::rethrow_exception</a></div><div class="ttdeci">void rethrow_exception(exception_ptr) __attribute__((__noreturn__))</div><div class="ttdoc">Throw the object pointed to by the exception_ptr.</div></div>
<div class="ttc" id="a00329_html"><div class="ttname"><a href="a00329.html">exception_defines.h</a></div></div>
<div class="ttc" id="a00317_html"><div class="ttname"><a href="a00317.html">cxxabi_init_exception.h</a></div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a00032_html"><div class="ttname"><a href="a00032.html">new</a></div></div>
<div class="ttc" id="a05428_html"><div class="ttname"><a href="a05428.html">std::__exception_ptr::exception_ptr</a></div><div class="ttdoc">An opaque pointer to an arbitrary exception.</div><div class="ttdef"><b>Definition:</b> <a href="a00332_source.html#l00079">exception_ptr.h:79</a></div></div>
<div class="ttc" id="a01486_html_ga02cdcc517fefe661313437aa9356a28f"><div class="ttname"><a href="a01486.html#ga02cdcc517fefe661313437aa9356a28f">std::current_exception</a></div><div class="ttdeci">exception_ptr current_exception() noexcept</div></div>
<div class="ttc" id="a01486_html_ga200c1d3152b2fd43b206da6c031b9730"><div class="ttname"><a href="a01486.html#ga200c1d3152b2fd43b206da6c031b9730">std::make_exception_ptr</a></div><div class="ttdeci">exception_ptr make_exception_ptr(_Ex) noexcept</div><div class="ttdoc">Obtain an exception_ptr pointing to a copy of the supplied object.</div><div class="ttdef"><b>Definition:</b> <a href="a00332_source.html#l00179">exception_ptr.h:179</a></div></div>
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