100 lines
3.7 KiB
HTML
100 lines
3.7 KiB
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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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>ATOMIC_FLAG_INIT</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_atomic_ATOMIC_FLAG_INIT skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading">ATOMIC_FLAG_INIT</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="c.html">c</a>‎ | <a href="c-atomic.html">atomic</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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<div>定义于头文件 <code><stdatomic.h></code></div>
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<div><span class="mw-geshi c source-c"><span class="co2">#define ATOMIC_FLAG_INIT /* unspecified */</span></span></div>
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<td class="t-dcl-nopad"></td>
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<td><span class="t-mark-rev t-since-c11">(C11 起)</span></td>
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<p>展开成能用于初始化 <span class="t-lc"><a href="c-atomic-atomic_flag.html">atomic_flag</a></span> 类型为清除状态的初始化器。不用此宏初始化的 <code>atomic_flag</code> 的值未定义。</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 dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="c source-c">
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<pre class="de1"><span class="co2">#include <stdatomic.h></span>
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<a href="c-atomic-atomic_flag.html"><span class="kw917">atomic_flag</span></a> flag <span class="sy1">=</span> ATOMIC_FLAG_INIT<span class="sy4">;</span></pre></div>
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<h3><span class="mw-headline" id=".E5.BC.95.E7.94.A8">引用</span></h3>
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<div class="t-ref-std-11">
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<ul>
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<li>C11 标准（ISO/IEC 9899:2011）：</li>
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</ul>
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<dl>
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<dd>
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<ul>
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<li>7.17.1/3 ATOMIC_FLAG_INIT (p: 273)</li>
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</dd>
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</dl>
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<dl>
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<dd>
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<li>7.17.8/4 ATOMIC_FLAG_INIT (p: 285)</li>
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</ul>
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</dd>
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</dl>
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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="c-atomic-ATOMIC_VAR_INIT.html"><span class="t-lines"><span>ATOMIC_VAR_INIT</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-c11">(C11)</span><span class="t-mark-rev t-deprecated-c17">(C17 中弃用)</span></span></span></div>
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</td>
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<td>初始化新的原子对象<br />
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<span class="t-mark">(宏函数)</span></td>
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<div class="t-dsc-member-div">
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<div><a href="c-atomic-atomic_flag.html"><span class="t-lines"><span>atomic_flag</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-c11">(C11)</span></span></span></div>
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<td>免锁布尔标志<br />
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<span class="t-mark">(结构体)</span></td>
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