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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">&#26631;&#20934;&#24211;&#22836;&#25991;&#20214;</span> &lt;mutex&gt;</h1>
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<p>&#27492;&#22836;&#25991;&#20214;&#26159;<a href="cpp-thread.html">&#32447;&#31243;&#25903;&#25345;</a>&#24211;&#30340;&#19968;&#37096;&#20998;&#12290;</p>
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<div><a href="cpp-thread-mutex.html"><span class="t-lines"><span>mutex</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#25552;&#20379;&#22522;&#26412;&#20114;&#26021;&#35774;&#26045;<br />
<span class="t-mark">(&#31867;)</span></td>
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<div><a href="cpp-thread-timed_mutex.html"><span class="t-lines"><span>timed_mutex</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<div><a href="cpp-thread-recursive_timed_mutex.html"><span class="t-lines"><span>recursive_timed_mutex</span></span></a></div>
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<td>&#25552;&#20379;&#33021;&#34987;&#21516;&#19968;&#32447;&#31243;&#36882;&#24402;&#38145;&#23450;&#30340;&#20114;&#26021;&#35774;&#26045;&#65292;&#24182;&#23454;&#29616;&#26377;&#26102;&#38480;&#38145;&#23450;<br />
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#23454;&#29616;&#20005;&#26684;&#22522;&#20110;&#20316;&#29992;&#22495;&#30340;&#20114;&#26021;&#20307;&#25152;&#26377;&#26435;&#21253;&#35013;&#22120;<br />
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<div><a href="cpp-thread-unique_lock.html"><span class="t-lines"><span>unique_lock</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
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<div><a href="cpp-thread-scoped_lock.html"><span class="t-lines"><span>scoped_lock</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
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<td>&#29992;&#20110;&#22810;&#20010;&#20114;&#26021;&#20307;&#30340;&#20813;&#27515;&#38145; RAII &#23553;&#35013;&#22120;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
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<div><a href="cpp-thread-lock_tag_t.html"><span class="t-lines"><span>defer_lock_t</span><span>try_to_lock_t</span><span>adopt_lock_t</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#29992;&#20110;&#25351;&#23450;&#38145;&#23450;&#31574;&#30053;&#30340;&#26631;&#31614;&#31867;&#22411;<br />
<span class="t-mark">(&#31867;)</span></td>
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<div><a href="cpp-thread-once_flag.html"><span class="t-lines"><span>once_flag</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#30830;&#20445; <a href="cpp-thread-call_once.html"><tt>call_once</tt></a> &#21482;&#35843;&#29992;&#20989;&#25968;&#19968;&#27425;&#30340;&#24110;&#21161;&#23545;&#35937;<br />
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<div><a href="cpp-thread-lock_tag.html"><span class="t-lines"><span>defer_lock</span><span>try_to_lock</span><span>adopt_lock</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<div><a href="cpp-thread-try_lock.html"><span class="t-lines"><span>try_lock</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#35797;&#22270;&#36890;&#36807;&#37325;&#22797;&#35843;&#29992; <code>try_lock</code> &#33719;&#24471;&#20114;&#26021;&#20307;&#30340;&#25152;&#26377;&#26435;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div><a href="cpp-thread-lock.html"><span class="t-lines"><span>lock</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#38145;&#23450;&#25351;&#23450;&#30340;&#20114;&#26021;&#20307;&#65292;&#33509;&#20219;&#20309;&#19968;&#20010;&#19981;&#21487;&#29992;&#21017;&#38459;&#22622;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div><a href="cpp-thread-call_once.html"><span class="t-lines"><span>call_once</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#20165;&#35843;&#29992;&#20989;&#25968;&#19968;&#27425;&#65292;&#21363;&#20351;&#20174;&#22810;&#20010;&#32447;&#31243;&#35843;&#29992;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div><a href="cpp-thread-unique_lock-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::unique_lock)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
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<td><span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> &#23545; <code>unique_lock</code> &#30340;&#29305;&#21270;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">&#27010;&#35201;</span></h3>
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<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> mutex<span class="sy4">;</span>
<span class="kw1">class</span> recursive_mutex<span class="sy4">;</span>
<span class="kw1">class</span> timed_mutex<span class="sy4">;</span>
<span class="kw1">class</span> recursive_timed_mutex<span class="sy4">;</span>
<span class="kw1">struct</span> defer_lock_t <span class="br0">{</span> <span class="kw1">explicit</span> defer_lock_t<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">struct</span> try_to_lock_t <span class="br0">{</span> <span class="kw1">explicit</span> try_to_lock_t<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">struct</span> adopt_lock_t <span class="br0">{</span> <span class="kw1">explicit</span> adopt_lock_t<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">inline</span> <span class="kw4">constexpr</span> defer_lock_t defer_lock <span class="br0">{</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">inline</span> <span class="kw4">constexpr</span> try_to_lock_t try_to_lock <span class="br0">{</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">inline</span> <span class="kw4">constexpr</span> adopt_lock_t adopt_lock <span class="br0">{</span> <span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span> <span class="kw1">class</span> lock_guard<span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span>... <span class="me1">MutexTypes</span><span class="sy1">&gt;</span> <span class="kw1">class</span> scoped_lock<span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span> <span class="kw1">class</span> unique_lock<span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span>
<span class="kw4">void</span> swap<span class="br0">(</span>unique_lock<span class="sy1">&lt;</span>Mutex<span class="sy1">&gt;</span><span class="sy3">&amp;</span> x, unique_lock<span class="sy1">&lt;</span>Mutex<span class="sy1">&gt;</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> L1, <span class="kw1">class</span> L2, <span class="kw1">class</span>... <span class="me1">L3</span><span class="sy1">&gt;</span> <span class="kw4">int</span> try_lock<span class="br0">(</span>L1<span class="sy3">&amp;</span>, L2<span class="sy3">&amp;</span>, L3<span class="sy3">&amp;</span>...<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> L1, <span class="kw1">class</span> L2, <span class="kw1">class</span>... <span class="me1">L3</span><span class="sy1">&gt;</span> <span class="kw4">void</span> lock<span class="br0">(</span>L1<span class="sy3">&amp;</span>, L2<span class="sy3">&amp;</span>, L3<span class="sy3">&amp;</span>...<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">struct</span> once_flag<span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Callable, <span class="kw1">class</span>... <span class="me1">Args</span><span class="sy1">&gt;</span>
<span class="kw4">void</span> call_once<span class="br0">(</span>once_flag<span class="sy3">&amp;</span> flag, Callable<span class="sy3">&amp;&amp;</span> func, Args<span class="sy3">&amp;&amp;</span>... <span class="me1">args</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::mutex">&#31867; <span class="t-lc"><a href="cpp-thread-mutex.html">std::mutex</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> mutex <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw4">constexpr</span> mutex<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
~mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
mutex<span class="br0">(</span><span class="kw4">const</span> mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
mutex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw4">void</span> lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">bool</span> try_lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">void</span> unlock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">using</span> native_handle_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
native_handle_type native_handle<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::recursive_mutex">&#31867; <span class="t-lc"><a href="cpp-thread-recursive_mutex.html">std::recursive_mutex</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> recursive_mutex <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
recursive_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
~recursive_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
recursive_mutex<span class="br0">(</span><span class="kw4">const</span> recursive_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
recursive_mutex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> recursive_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw4">void</span> lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">bool</span> try_lock<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">void</span> unlock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">using</span> native_handle_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
native_handle_type native_handle<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::timed_mutex">&#31867; <span class="t-lc"><a href="cpp-thread-timed_mutex.html">std::timed_mutex</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> timed_mutex <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
timed_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
~timed_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
timed_mutex<span class="br0">(</span><span class="kw4">const</span> timed_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
timed_mutex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> timed_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw4">void</span> lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#38459;&#22622;</span>
<span class="kw4">bool</span> try_lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Rep, <span class="kw1">class</span> Period<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_for<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">duration</span><span class="sy1">&lt;</span>Rep, Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rel_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Clock, <span class="kw1">class</span> Duration<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_until<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">time_point</span><span class="sy1">&lt;</span>Clock, Duration<span class="sy1">&gt;</span><span class="sy3">&amp;</span> abs_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">void</span> unlock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">using</span> native_handle_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
native_handle_type native_handle<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::recursive_timed_mutex">&#31867; <span class="t-lc"><a href="cpp-thread-recursive_timed_mutex.html">std::recursive_timed_mutex</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> recursive_timed_mutex <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
recursive_timed_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
~recursive_timed_mutex<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
recursive_timed_mutex<span class="br0">(</span><span class="kw4">const</span> recursive_timed_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
recursive_timed_mutex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> recursive_timed_mutex<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw4">void</span> lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#38459;&#22622;</span>
<span class="kw4">bool</span> try_lock<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Rep, <span class="kw1">class</span> Period<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_for<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">duration</span><span class="sy1">&lt;</span>Rep, Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rel_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Clock, <span class="kw1">class</span> Duration<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_until<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">time_point</span><span class="sy1">&lt;</span>Clock, Duration<span class="sy1">&gt;</span><span class="sy3">&amp;</span> abs_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">void</span> unlock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">using</span> native_handle_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
native_handle_type native_handle<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::lock_guard">&#31867;&#27169;&#26495; <span class="t-lc"><a href="cpp-thread-lock_guard.html">std::lock_guard</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span>
<span class="kw1">class</span> lock_guard <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">using</span> mutex_type <span class="sy1">=</span> Mutex<span class="sy4">;</span>
<span class="kw1">explicit</span> lock_guard<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m<span class="br0">)</span><span class="sy4">;</span>
lock_guard<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, adopt_lock_t<span class="br0">)</span><span class="sy4">;</span>
~lock_guard<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
lock_guard<span class="br0">(</span><span class="kw4">const</span> lock_guard<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
lock_guard<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> lock_guard<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw1">private</span><span class="sy4">:</span>
mutex_type<span class="sy3">&amp;</span> pm<span class="sy4">;</span> <span class="co1">// &#20165;&#29992;&#20110;&#38416;&#37322;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::scoped_lock">&#31867;&#27169;&#26495; <span class="t-lc">std::scoped_lock</span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span>... <span class="me1">MutexTypes</span><span class="sy1">&gt;</span>
<span class="kw1">class</span> scoped_lock <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">using</span> mutex_type <span class="sy1">=</span> Mutex<span class="sy4">;</span> <span class="co1">// &#33509; MutexTypes... &#20165;&#30001;&#21333;&#20010;&#31867;&#22411; Mutex &#32452;&#25104;</span>
<span class="kw1">explicit</span> scoped_lock<span class="br0">(</span>MutexTypes<span class="sy3">&amp;</span>... <span class="me1">m</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">explicit</span> scoped_lock<span class="br0">(</span>adopt_lock_t, MutexTypes<span class="sy3">&amp;</span>... <span class="me1">m</span><span class="br0">)</span><span class="sy4">;</span>
~scoped_lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
scoped_lock<span class="br0">(</span><span class="kw4">const</span> scoped_lock<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
scoped_lock<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> scoped_lock<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="kw1">private</span><span class="sy4">:</span>
tuple<span class="sy1">&lt;</span>MutexTypes<span class="sy3">&amp;</span>...<span class="sy1">&gt;</span> pm<span class="sy4">;</span> <span class="co1">// &#20165;&#29992;&#20110;&#38416;&#37322;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB.E6.A8.A1.E6.9D.BF_std::unique_lock">&#31867;&#27169;&#26495; <span class="t-lc"><a href="cpp-thread-unique_lock.html">std::unique_lock</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span>
<span class="kw1">class</span> unique_lock <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">using</span> mutex_type <span class="sy1">=</span> Mutex<span class="sy4">;</span>
<span class="co1">// &#26500;&#36896;/&#22797;&#21046;/&#38144;&#27585;</span>
unique_lock<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">explicit</span> unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m<span class="br0">)</span><span class="sy4">;</span>
unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, defer_lock_t<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, try_to_lock_t<span class="br0">)</span><span class="sy4">;</span>
unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, adopt_lock_t<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Clock, <span class="kw1">class</span> Duration<span class="sy1">&gt;</span>
unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, <span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">time_point</span><span class="sy1">&lt;</span>Clock, Duration<span class="sy1">&gt;</span><span class="sy3">&amp;</span> abs_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Rep, <span class="kw1">class</span> Period<span class="sy1">&gt;</span>
unique_lock<span class="br0">(</span>mutex_type<span class="sy3">&amp;</span> m, <span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">duration</span><span class="sy1">&lt;</span>Rep, Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rel_time<span class="br0">)</span><span class="sy4">;</span>
~unique_lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
unique_lock<span class="br0">(</span><span class="kw4">const</span> unique_lock<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
unique_lock<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> unique_lock<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
unique_lock<span class="br0">(</span>unique_lock<span class="sy3">&amp;&amp;</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
unique_lock<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span>unique_lock<span class="sy3">&amp;&amp;</span> u<span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#38145;&#23450;</span>
<span class="kw4">void</span> lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">bool</span> try_lock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Rep, <span class="kw1">class</span> Period<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_for<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">duration</span><span class="sy1">&lt;</span>Rep, Period<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rel_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Clock, <span class="kw1">class</span> Duration<span class="sy1">&gt;</span>
<span class="kw4">bool</span> try_lock_until<span class="br0">(</span><span class="kw4">const</span> chrono<span class="sy4">::</span><span class="me2">time_point</span><span class="sy1">&lt;</span>Clock, Duration<span class="sy1">&gt;</span><span class="sy3">&amp;</span> abs_time<span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">void</span> unlock<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#20462;&#25913;&#22120;</span>
<span class="kw4">void</span> swap<span class="br0">(</span>unique_lock<span class="sy3">&amp;</span> u<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
mutex_type<span class="sy2">*</span> release<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="co1">// &#35266;&#23519;&#22120;</span>
<span class="kw4">bool</span> owns_lock<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">explicit</span> operator <span class="kw4">bool</span> <span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
mutex_type<span class="sy2">*</span> mutex<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">private</span><span class="sy4">:</span>
mutex_type<span class="sy2">*</span> pm<span class="sy4">;</span> <span class="co1">// &#20165;&#29992;&#20110;&#38416;&#37322;</span>
<span class="kw4">bool</span> owns<span class="sy4">;</span> <span class="co1">// &#20165;&#29992;&#20110;&#38416;&#37322;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Mutex<span class="sy1">&gt;</span>
<span class="kw4">void</span> swap<span class="br0">(</span>unique_lock<span class="sy1">&lt;</span>Mutex<span class="sy1">&gt;</span><span class="sy3">&amp;</span> x, unique_lock<span class="sy1">&lt;</span>Mutex<span class="sy1">&gt;</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::once_flag">&#31867; <span class="t-lc"><a href="cpp-thread-once_flag.html">std::once_flag</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">struct</span> once_flag <span class="br0">{</span>
<span class="kw4">constexpr</span> once_flag<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
once_flag<span class="br0">(</span><span class="kw4">const</span> once_flag<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
once_flag<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> once_flag<span class="sy3">&amp;</span><span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div>
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