100 lines
3.8 KiB
HTML
100 lines
3.8 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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<title>atomic_flag</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_atomic_atomic_flag 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</h1>
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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="kw1">struct</span> atomic_flag<span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-c11">(C11 起)</span></td>
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<p><span class="t-lc"><strong class="selflink">atomic_flag</strong></span> 是一种原子布尔类型。不同于其他原子类型，它保证是免锁的。不同于 <span class="t-lc"><a href="c-atomic.html">atomic_bool</a></span> ， <code>atomic_flag</code> 不提供加载或存储操作。</p>
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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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<li>7.17.1/4 atomic_flag (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 Atomic flag type and operations (p: 285-286)</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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<div><a href="c-atomic-ATOMIC_FLAG_INIT.html"><span class="t-lines"><span>ATOMIC_FLAG_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></span></div>
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</td>
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<td>初始化新的 <span class="t-c"><span class="mw-geshi c source-c">atomic_flag</span></span><br />
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<span class="t-mark">(宏常量)</span></td>
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<div><a href="c-atomic-atomic_flag_test_and_set.html"><span class="t-lines"><span>atomic_flag_test_and_set</span><span>atomic_flag_test_and_set_explicit</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>设置 <code>atomic_flag</code> 为 <code>true</code> 并返回旧值<br />
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<span class="t-mark">(函数)</span></td>
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<div><a href="c-atomic-atomic_flag_clear.html"><span class="t-lines"><span>atomic_flag_clear</span><span>atomic_flag_clear_explicit</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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</div>
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<td>设置 <code>atomic_flag</code> 为 <code>false</code><br />
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<span class="t-mark">(函数)</span></td>
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