84 lines
4.2 KiB
HTML
84 lines
4.2 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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<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>mtx_init</title>
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<link rel="stylesheet" href="ext.css" />
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<link rel="stylesheet" href="site_modules.css" />
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</head>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_thread_mtx_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">mtx_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-thread.html">thread</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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<tbody>
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<tr class="t-dsc-header">
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<td>
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<div>定义于头文件 <code><threads.h></code></div>
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</td>
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<td></td>
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<td></td>
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</tr>
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<tr class="t-dcl t-since-c11">
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<td>
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<div><span class="mw-geshi c source-c"><span class="kw4">int</span> mtx_init<span class="br0">(</span> <a href="c-thread.html"><span class="kw1011">mtx_t</span></a><span class="sy2">*</span> mutex, <span class="kw4">int</span> type <span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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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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</tr>
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<tr class="t-dcl-sep">
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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<p>创建新的拥有 <code>type</code> 类型的互斥。设置 <code>mutex</code> 所指向的对象为新创建互斥的标识符。</p>
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<p><code>type</code> 必须拥有下列值之一：</p>
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<ul>
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<li><span class="t-lc"><a href="c-thread-mtx_types.html">mtx_plain</a></span> - 创建简单的，非递归互斥。</li>
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<li><span class="t-lc"><a href="c-thread-mtx_types.html">mtx_timed</a></span> - 创建非递归的，支持时间限制的互斥。</li>
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<li><span class="t-c"><span class="mw-geshi c source-c"><a href="c-thread-mtx_types.html"><span class="kw1017">mtx_plain</span></a> <span class="sy3">|</span> <a href="c-thread-mtx_types.html"><span class="kw1018">mtx_recursive</span></a></span></span> - 创建递归互斥。</li>
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<li><span class="t-c"><span class="mw-geshi c source-c"><a href="c-thread-mtx_types.html"><span class="kw1019">mtx_timed</span></a> <span class="sy3">|</span> <a href="c-thread-mtx_types.html"><span class="kw1018">mtx_recursive</span></a></span></span> - 创建递归的支持时限的互斥。</li>
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</ul>
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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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<tr class="t-par">
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<td>mutex</td>
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<td>-</td>
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<td>指向要初始化的互斥的指针</td>
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</tr>
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<tr class="t-par">
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<td>type</td>
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<td>-</td>
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<td>互斥的类型</td>
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</tr>
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</table>
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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>若成功则为 <span class="t-lc"><a href="c-thread-thrd_errors.html">thrd_success</a></span> ，否则为 <span class="t-lc"><a href="c-thread-thrd_errors.html">thrd_error</a></span> 。</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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<ul>
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<li>7.26.4.2 The mtx_init function (p: 381)</li>
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</ul>
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</dd>
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</dl>
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</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"></table>
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</div>
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<div class="visualClear"></div>
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</div>
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</div>
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</div>
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</body>
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</html>
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