114 lines
5.7 KiB
HTML
114 lines
5.7 KiB
HTML
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<title>标准库头文件 <csignal></title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_header_csignal skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">标准库头文件</span> <csignal></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-header.html">header</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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<p>此头文件原作为 <code><b><signal.h></b></code> 存在于 C 标准库。</p>
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<p>此头文件是<a href="cpp-utility-program.html">程序支持</a>库的一部分。</p>
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<table class="t-dsc-begin">
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<tr>
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<td colspan="2">
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<h3><span class="mw-headline" id="typedef">typedef</span></h3>
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</td>
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</tr>
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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-utility-program-sig_atomic_t.html"><span class="t-lines"><span>sig_atomic_t</span></span></a></div>
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</div>
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</td>
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<td>能从异步信号处理函数作为原子实体访问的整数类型<br />
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<span class="t-mark">(typedef)</span></td>
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</tr>
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<tr>
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<td colspan="2">
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<h3><span class="mw-headline" id=".E5.AE.8F">宏</span></h3>
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</td>
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</tr>
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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-utility-program-SIG_types.html"><span class="t-lines"><span>SIGABRT</span><span>SIGFPE</span><span>SIGILL</span><span>SIGINT</span><span>SIGSEGV</span><span>SIGTERM</span></span></a></div>
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</div>
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</td>
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<td>定义信号类型<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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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-utility-program-SIG_strategies.html"><span class="t-lines"><span>SIG_DFL</span><span>SIG_IGN</span></span></a></div>
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</div>
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</td>
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<td>定义信号处理策略<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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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-utility-program-SIG_ERR.html"><span class="t-lines"><span>SIG_ERR</span></span></a></div>
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</div>
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</td>
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<td><a href="cpp-utility-program-signal.html"><tt>signal</tt></a> 的返回值，说明遇到错误<br />
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<span class="t-mark">(宏常量)</span></td>
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<tr>
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<td colspan="2">
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<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">函数</span></h3>
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</td>
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</tr>
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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-utility-program-signal.html"><span class="t-lines"><span>signal</span></span></a></div>
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</div>
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</td>
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<td>为特定信号设置信号处理函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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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-utility-program-raise.html"><span class="t-lines"><span>raise</span></span></a></div>
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</div>
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</td>
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<td>为特定信号运行信号处理函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">概要</span></h3>
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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="kw1">namespace</span> std <span class="br0">{</span>
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<span class="kw1">using</span> sig_atomic_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span> <span class="sy4">;</span>
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<span class="kw4">extern</span> <span class="st0">"C"</span> <span class="kw1">using</span> <span class="coMULTI">/* signal-handler */</span> <span class="sy1">=</span> <span class="kw4">void</span><span class="br0">(</span><span class="kw4">int</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// 仅为阐释</span>
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<span class="coMULTI">/*signal-handler*/</span> <span class="sy2">*</span> signal<span class="br0">(</span><span class="kw4">int</span> sig, <span class="coMULTI">/*signal-handler*/</span> <span class="sy2">*</span> func<span class="br0">)</span><span class="sy4">;</span>
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<span class="br0">}</span>
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<span class="co2">#define SIG_DFL /* 见描述 */</span>
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<span class="co2">#define SIG_ERR /* 见描述 */</span>
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<span class="co2">#define SIG_IGN /* 见描述 */</span>
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<span class="co2">#define SIGABRT /* 见描述 */</span>
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<span class="co2">#define SIGFPE /* 见描述 */</span>
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<span class="co2">#define SIGILL /* 见描述 */</span>
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<span class="co2">#define SIGINT /* 见描述 */</span>
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<span class="co2">#define SIGSEGV /* 见描述 */</span>
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<span class="co2">#define SIGTERM /* 见描述 */</span></pre></div>
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