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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>recursive_timed_mutex</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-thread.html">thread</a></span></div>
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<div>定义于头文件 <code><a href="cpp-header-mutex.html"><mutex></a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">class</span> recursive_timed_mutex<span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p><code>recursive_timed_mutex</code> 是同步原语,能用于保护共享数据免受从多个线程同时访问。</p>
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<p>以类似 <span class="t-lc"><a href="cpp-thread-recursive_mutex.html">std::recursive_mutex</a></span> 的方式, <code>recursive_timed_mutex</code> 提供排他性递归所有权语义。另外, <code>recursive_timed_mutex</code> 通过 <a href="cpp-thread-recursive_timed_mutex-try_lock_for.html"><code>try_lock_for</code></a> 与 <a href="cpp-thread-recursive_timed_mutex-try_lock_until.html"><code>try_lock_until</code></a> 方法,提供带时限地试图要求 <code>recursive_timed_mutex</code> 所有权的能力。</p>
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<p><code>recursive_timed_mutex</code> 类满足<a href="cpp-named_req-TimedMutex.html"><span style="font-style:italic">定时互斥体</span> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(TimedMutex)</span></a> 和<a href="cpp-named_req-StandardLayoutType.html"><span style="font-style:italic">标准布局类型</span> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(StandardLayoutType)</span></a> 的所有要求。</p>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">成员类型</span></h3>
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<td>成员类型</td>
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<td>定义</td>
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<td><code>native_handle_type</code><span class="t-mark">(可选)</span></td>
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<td><i>实现定义</i></td>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">成员函数</span></h3>
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<div><a href="cpp-thread-recursive_timed_mutex-recursive_timed_mutex.html"><span class="t-lines"><span>(构造函数)</span></span></a></div>
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<td>构造互斥<br />
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<span class="t-mark">(公开成员函数)</span></td>
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<div><a href="cpp-thread-recursive_timed_mutex-~recursive_timed_mutex.html"><span class="t-lines"><span>(析构函数)</span></span></a></div>
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<td>销毁互斥<br />
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<span class="t-mark">(公开成员函数)</span></td>
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<div><span class="t-lines"><span>operator=</span></span></div>
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<div><span class="t-lines"><span><span class="t-cmark">[被删除]</span></span></span></div>
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<td>不可复制赋值<br />
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<h5><span class="mw-headline" id=".E9.94.81.E5.AE.9A">锁定</span></h5>
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<div><a href="cpp-thread-recursive_timed_mutex-lock.html"><span class="t-lines"><span>lock</span></span></a></div>
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<td>锁定互斥,若互斥不可用则阻塞<br />
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<div><a href="cpp-thread-recursive_timed_mutex-try_lock.html"><span class="t-lines"><span>try_lock</span></span></a></div>
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<td>尝试锁定互斥,若互斥不可用则返回<br />
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<div><a href="cpp-thread-recursive_timed_mutex-try_lock_for.html"><span class="t-lines"><span>try_lock_for</span></span></a></div>
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<td>尝试锁定互斥,若互斥在指定的时限时期中不可用则返回<br />
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<div><a href="cpp-thread-recursive_timed_mutex-try_lock_until.html"><span class="t-lines"><span>try_lock_until</span></span></a></div>
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<td>尝试锁定互斥,若直至抵达指定时间点互斥不可用则返回<br />
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<div><a href="cpp-thread-recursive_timed_mutex-unlock.html"><span class="t-lines"><span>unlock</span></span></a></div>
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<td>解锁互斥<br />
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<span class="t-mark">(公开成员函数)</span></td>
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<h5><span class="mw-headline" id=".E5.8E.9F.E7.94.9F.E5.8F.A5.E6.9F.84">原生句柄</span></h5>
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<div><a href="cpp-thread-recursive_timed_mutex-native_handle.html"><span class="t-lines"><span>native_handle</span></span></a></div>
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<td>返回底层实现定义的原生句柄<br />
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