129 lines
6.9 KiB
HTML
129 lines
6.9 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<title>std::set_terminate</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_error_set_terminate skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>set_terminate</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-error.html">error</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<table class="t-dcl-begin">
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<div>定义于头文件 <code><a href="cpp-header-exception.html"><exception></a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><a href="cpp-error-terminate_handler.html"><span class="kw784">std::<span class="me2">terminate_handler</span></span></a> set_terminate<span class="br0">(</span> <a href="cpp-error-terminate_handler.html"><span class="kw784">std::<span class="me2">terminate_handler</span></span></a> f <span class="br0">)</span> <span class="kw1">throw</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 前)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><a href="cpp-error-terminate_handler.html"><span class="kw784">std::<span class="me2">terminate_handler</span></span></a> set_terminate<span class="br0">(</span> <a href="cpp-error-terminate_handler.html"><span class="kw784">std::<span class="me2">terminate_handler</span></span></a> f <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p>令 <code>f</code> 为新的全局 terminate_handler 函数并返回先前安装的 <span class="t-lc"><a href="cpp-error-terminate_handler.html">std::terminate_handler</a></span> 。</p>
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<p>此函数是线程安全的。每个对 <code>std::set_terminate</code> 的调用<i>同步于</i>(见 <span class="t-lc"><a href="cpp-atomic-memory_order.html">std::memory_order</a></span> )后继的 <code>std::set_terminate</code> 与 <span class="t-lc"><a href="cpp-error-get_terminate.html">std::get_terminate</a></span></p>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<table class="t-par-begin">
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<td>f</td>
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<td>-</td>
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<td>指向 <span class="t-lc"><a href="cpp-error-terminate_handler.html">std::terminate_handler</a></span> 类型函数的指针,或空指针</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p>之前安装的 <code>terminate_handler</code> ,或若未安装则为空指针值。</p>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<div class="t-example">
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<div class="t-example-live-link"></div>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="cpp source-cpp">
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<pre class="de1"><span class="co2">#include <iostream></span>
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<span class="co2">#include <cstdlib></span>
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<span class="co2">#include <exception></span>
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<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
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<span class="br0">{</span>
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std<span class="sy4">::</span><span class="me2">set_terminate</span><span class="br0">(</span><span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="br0">)</span><span class="br0">{</span> <a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"Unhandled exception<span class="es1">\n</span>"</span><span class="sy4">;</span> <a href="cpp-utility-program-abort.html"><span class="kw965">std::<span class="me2">abort</span></span></a><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span><span class="br0">}</span><span class="br0">)</span><span class="sy4">;</span>
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<span class="kw1">throw</span> <span class="nu0">1</span><span class="sy4">;</span>
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<span class="br0">}</span></pre></div>
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</div>
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<p>可能的输出:</p>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="text source-text">
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<pre class="de1">Unhandled exception
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bash: line 7: 7743 Aborted (core dumped) ./a.out</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<table class="t-dsc-begin">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-error-terminate.html"><span class="t-lines"><span>terminate</span></span></a></div>
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</div>
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</td>
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<td>异常处理失败时调用的函数<br />
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<span class="t-mark">(函数)</span></td>
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<tr class="t-dsc">
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<div class="t-dsc-member-div">
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<div><a href="cpp-error-get_terminate.html"><span class="t-lines"><span>get_terminate</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>获得当前的 terminate_handler<br />
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<span class="t-mark">(函数)</span></td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-error-terminate_handler.html"><span class="t-lines"><span>terminate_handler</span></span></a></div>
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</td>
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<td><span class="t-lc"><a href="cpp-error-terminate.html">std::terminate</a></span> 所调用的函数类型<br />
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<span class="t-mark">(typedef)</span></td>
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</div>
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<div class="visualClear"></div>
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