<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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 1.8.15"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libstdc++: new 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">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(initResizable);
/* @license-end */</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 1.8.15 -->
</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">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('a00032_source.html','');});
/* @license-end */
</script>
<div id="doc-content">
<div class="header">
<div class="headertitle">
<div class="title">new</div> </div>
</div><!--header-->
<div class="contents">
<a href="a00032.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">// The -*- C++ -*- dynamic memory management header.</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) 1994-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</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 new</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This is a Standard C++ Library header.</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> <span class="comment"> * The header @c new defines several functions to manage dynamic memory and</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * handling memory allocation errors; see</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * http://gcc.gnu.org/onlinedocs/libstdc++/18_support/howto.html#4 for more.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</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">#ifndef _NEW</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define _NEW</span></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> <span class="preprocessor">#pragma GCC system_header</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="a00656.html">bits/c++config.h</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a00026.html">exception</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="preprocessor">#pragma GCC visibility push(default)</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">extern</span> <span class="stringliteral">"C++"</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="a01538.html">std</a> </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"> * @brief Exception possibly thrown by @c new.</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * @ingroup exceptions</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> *</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @c bad_alloc (or classes derived from it) is used to report allocation</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * errors from the throwing forms of @c new. */</span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="a01656.html"> 54</a></span>  <span class="keyword">class </span><a class="code" href="a01656.html">bad_alloc</a> : <span class="keyword">public</span> <a class="code" href="a05424.html">exception</a> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="a01656.html">bad_alloc</a>() <span class="keywordflow">throw</span>() { }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// This declaration is not useless:</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">virtual</span> ~<a class="code" href="a01656.html">bad_alloc</a>() <span class="keywordflow">throw</span>();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// See comment in eh_exception.cc.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="a01656.html#a3559b1691d8a8138d5fb7aa79ac06cbe">what</a>() <span class="keyword">const</span> <span class="keywordflow">throw</span>();</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  };</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">class </span>bad_array_new_length : <span class="keyword">public</span> <a class="code" href="a01656.html">bad_alloc</a></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  bad_array_new_length() throw() { }</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="comment">// This declaration is not useless:</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">virtual</span> ~bad_array_new_length() throw();</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>  <span class="comment">// See comment in eh_exception.cc.</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  virtual const <span class="keywordtype">char</span>* what() const throw();</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="preprocessor">#endif</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#if __cpp_aligned_new</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">enum class</span> align_val_t: size_t {};</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">struct </span>nothrow_t</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="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">explicit</span> nothrow_t() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  };</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">extern</span> <span class="keyword">const</span> nothrow_t nothrow;</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"> /** If you write your own error handler to be called by @c new, it must</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * be of this type. */</span></div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="a01538.html#abacda397e52027e3aac448f94b157208"> 97</a></span>  <span class="keyword">typedef</span> void (*<a class="code" href="a01538.html#abacda397e52027e3aac448f94b157208">new_handler</a>)();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> /// Takes a replacement handler as the argument, returns the</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> /// previous handler.</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span> <a class="code" href="a01538.html#abacda397e52027e3aac448f94b157208">new_handler</a> <a class="code" href="a01538.html#a08ab821429d6f9fd2f16f642de3e9163">set_new_handler</a>(<a class="code" href="a01538.html#abacda397e52027e3aac448f94b157208">new_handler</a>) <span class="keywordflow">throw</span>();</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="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> /// Return the current new handler.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"></span> <a class="code" href="a01538.html#abacda397e52027e3aac448f94b157208">new_handler</a> <a class="code" href="a01538.html#a2aab280c9a87214e453f8f598827d13b">get_new_handler</a>() noexcept;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"></span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">//@{</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span><span class="comment">/** These are replaceable signatures:</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * - normal single new and delete (no arguments, throw @c bad_alloc on error)</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> * - normal array new and delete (same)</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * - @c nothrow single new and delete (take a @c nothrow argument, return</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @c NULL on error)</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * - @c nothrow array new and delete (same)</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> *</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * Placement new and delete signatures (take a memory address argument,</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * does nothing) may not be replaced by a user's program.</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">*/</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t) _GLIBCXX_THROW (<a class="code" href="a01656.html">std::bad_alloc</a>)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[](std::size_t) _GLIBCXX_THROW (<a class="code" href="a01656.html">std::bad_alloc</a>)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#if __cpp_sized_deallocation</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, std::size_t) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, std::size_t) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t, <span class="keyword">const</span> std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[](std::size_t, <span class="keyword">const</span> std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, <span class="keyword">const</span> std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, <span class="keyword">const</span> std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#if __cpp_aligned_new</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t, std::align_val_t)</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t, std::align_val_t, <span class="keyword">const</span> std::nothrow_t&)</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, std::align_val_t)</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, std::align_val_t, <span class="keyword">const</span> std::nothrow_t&)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[](std::size_t, std::align_val_t)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  __attribute__((__externally_visible__));</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[](std::size_t, std::align_val_t, <span class="keyword">const</span> std::nothrow_t&)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, std::align_val_t)</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, std::align_val_t, <span class="keyword">const</span> std::nothrow_t&)</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#if __cpp_sized_deallocation</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, std::size_t, std::align_val_t)</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, std::size_t, std::align_val_t)</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#endif // __cpp_sized_deallocation</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#endif // __cpp_aligned_new</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> <span class="comment">// Default placement versions of operator new.</span></div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="a00032.html#a7266c02fbd2a435679e6c07c93ad9979"> 168</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t, <span class="keywordtype">void</span>* __p) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> { <span class="keywordflow">return</span> __p; }</div><div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="a00032.html#a64323ac4a634756c7892bf1f9702c486"> 170</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[](std::size_t, <span class="keywordtype">void</span>* __p) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> { <span class="keywordflow">return</span> __p; }</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="comment">// Default placement versions of operator delete.</span></div><div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="a00032.html#a39fac79c27e30348bee194c4fca4814c"> 174</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span> (<span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*) _GLIBCXX_USE_NOEXCEPT { }</div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="a00032.html#aa73513101c30d057abb0e9f683f67aa8"> 175</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>[](<span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*) _GLIBCXX_USE_NOEXCEPT { }<span class="comment"></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"></span>} <span class="comment">// extern "C++"</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="preprocessor">#if __cplusplus >= 201703L</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#if __GNUC__ >= 7</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"># define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#elif defined __has_builtin</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// For non-GNU compilers:</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"># if __has_builtin(__builtin_launder)</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"># define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#define __cpp_lib_launder 201606</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> /// Pointer optimization barrier [ptr.launder]</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  [[nodiscard]] constexpr _Tp*</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  launder(_Tp* __p) noexcept</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  { <span class="keywordflow">return</span> __builtin_launder(__p); }</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="comment">// The program is ill-formed if T is a function type or</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// (possibly cv-qualified) void.</span></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="keyword">template</span><<span class="keyword">typename</span> _Ret, <span class="keyword">typename</span>... _Args _GLIBCXX_NOEXCEPT_PARM></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">void</span> launder(_Ret (*)(_Args...) _GLIBCXX_NOEXCEPT_QUAL) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Ret, <span class="keyword">typename</span>... _Args _GLIBCXX_NOEXCEPT_PARM></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">void</span> launder(_Ret (*)(_Args......) _GLIBCXX_NOEXCEPT_QUAL) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">void</span> launder(<span class="keywordtype">void</span>*) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">void</span> launder(<span class="keyword">const</span> <span class="keywordtype">void</span>*) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">void</span> launder(<span class="keyword">volatile</span> <span class="keywordtype">void</span>*) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">void</span> launder(<span class="keyword">const</span> <span class="keyword">volatile</span> <span class="keywordtype">void</span>*) = <span class="keyword">delete</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="preprocessor">#endif // _GLIBCXX_HAVE_BUILTIN_LAUNDER</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#undef _GLIBCXX_HAVE_BUILTIN_LAUNDER</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#endif // C++17</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#pragma GCC visibility pop</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="a01656_html_a3559b1691d8a8138d5fb7aa79ac06cbe"><div class="ttname"><a href="a01656.html#a3559b1691d8a8138d5fb7aa79ac06cbe">std::bad_alloc::what</a></div><div class="ttdeci">virtual const char * what() const</div></div>
<div class="ttc" id="a00656_html"><div class="ttname"><a href="a00656.html">c++config.h</a></div></div>
<div class="ttc" id="a01538_html_abacda397e52027e3aac448f94b157208"><div class="ttname"><a href="a01538.html#abacda397e52027e3aac448f94b157208">std::new_handler</a></div><div class="ttdeci">void(* new_handler)()</div><div class="ttdef"><b>Definition:</b> <a href="a00032_source.html#l00097">new:97</a></div></div>
<div class="ttc" id="a01656_html"><div class="ttname"><a href="a01656.html">std::bad_alloc</a></div><div class="ttdoc">Exception possibly thrown by new.bad_alloc (or classes derived from it) is used to report allocation ...</div><div class="ttdef"><b>Definition:</b> <a href="a00032_source.html#l00054">new:54</a></div></div>
<div class="ttc" id="a01538_html_a2aab280c9a87214e453f8f598827d13b"><div class="ttname"><a href="a01538.html#a2aab280c9a87214e453f8f598827d13b">std::get_new_handler</a></div><div class="ttdeci">new_handler get_new_handler() noexcept</div><div class="ttdoc">Return the current new handler.</div></div>
<div class="ttc" id="a00026_html"><div class="ttname"><a href="a00026.html">exception</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="a01538_html_a08ab821429d6f9fd2f16f642de3e9163"><div class="ttname"><a href="a01538.html#a08ab821429d6f9fd2f16f642de3e9163">std::set_new_handler</a></div><div class="ttdeci">new_handler set_new_handler(new_handler)</div><div class="ttdoc">Takes a replacement handler as the argument, returns the previous handler.</div></div>
<div class="ttc" id="a05424_html"><div class="ttname"><a href="a05424.html">std::exception</a></div><div class="ttdoc">Base class for all library exceptions.</div><div class="ttdef"><b>Definition:</b> <a href="a00326_source.html#l00060">exception.h:60</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_434a3f2b81816e64e09d7f43ca77c261.html">libstdc++-v3</a></li><li class="navelem"><a class="el" href="dir_a90251c88a7d73de47aa10417ea6b112.html">libsupc++</a></li><li class="navelem"><a class="el" href="a00032.html">new</a></li>
<li class="footer">Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li>
</ul>
</div>
</body>
</html>
distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
0448c66ab6afa2f787658c5e6488e2d9
>
files
>
31
