47 lines
3.0 KiB
HTML
47 lines
3.0 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>std::condition_variable::~condition_variable</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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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_thread_condition_variable_condition_variable skin-cppreference2 action-view cpp-page-template 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"><span style="font-size:0.7em; line-height:130%">std::condition_variable::</span>~condition_variable</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-thread.html">thread</a>‎ | <a href="cpp-thread-condition_variable.html">condition variable</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 class="t-page-template" style="">
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<p></p>
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<table class="t-dcl-begin">
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<tr class="t-dcl t-since-cxx11">
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<div><span class="mw-geshi cpp source-cpp">~condition_variable<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</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-cxx11">(C++11 起)</span></td>
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<p>销毁 <span class="t-lc"><a href="cpp-thread-condition_variable.html">std::condition_variable</a></span> 类型对象。</p>
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<p>若已通知所有线程，调用析构函数才是安全的。不要求它们已退出其对应的等待函数：一些线程仍然可等待重获得关联锁，或在重获得后等待被调度到运行。</p>
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<p>一旦析构函数开始，程序员就必须确保没有线程试图等待在 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> 上，特别是在等待线程在循环中调用等待函数，或使用接收谓词的等待函数的重载时。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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</html>
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