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<title>std::this_thread::get_id</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::this_thread::</span>get_id</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-thread.html">thread</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-thread.html">&lt;thread&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><a href="cpp-thread-thread-id.html"><span class="kw2147">std::<span class="me2">thread</span><span class="sy4">::</span><span class="me2">id</span></span></a> get_id<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<p>&#36820;&#22238;&#24403;&#21069;&#32447;&#31243;&#30340; <i>id</i> &#12290;</p>
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<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#24403;&#21069;&#32447;&#31243;&#30340; <i>id</i></p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;thread&gt;</span>
<span class="co2">#include &lt;chrono&gt;</span>
<span class="co2">#include &lt;mutex&gt;</span>
<a href="cpp-thread-mutex.html"><span class="kw2153">std::<span class="me2">mutex</span></span></a> g_display_mutex<span class="sy4">;</span>
<span class="kw4">void</span> foo<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-thread-thread-id.html"><span class="kw2147">std::<span class="me2">thread</span><span class="sy4">::</span><span class="me2">id</span></span></a> this_id <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">this_thread</span><span class="sy4">::</span><span class="me2">get_id</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
g_display_mutex.<span class="me1">lock</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;thread &quot;</span> <span class="sy1">&lt;&lt;</span> this_id <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; sleeping...<span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
g_display_mutex.<span class="me1">unlock</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-thread-sleep_for.html"><span class="kw2148">std::<span class="me2">this_thread</span><span class="sy4">::</span><span class="me2">sleep_for</span></span></a><span class="br0">(</span><a href="cpp-chrono-duration.html"><span class="kw997">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">seconds</span></span></a><span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
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<a href="cpp-thread-thread.html"><span class="kw2146">std::<span class="me2">thread</span></span></a> t1<span class="br0">(</span>foo<span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-thread-thread.html"><span class="kw2146">std::<span class="me2">thread</span></span></a> t2<span class="br0">(</span>foo<span class="br0">)</span><span class="sy4">;</span>
t1.<span class="me1">join</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
t2.<span class="me1">join</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">thread 0x2384b312 sleeping...
thread 0x228a10fc sleeping...</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/thread//get_id&amp;action=edit&amp;redlink=1" class="new" title="cpp/thread//get id&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;"><span class="t-lines"><span>get_id</span></span></a></div>
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<td>&#36820;&#22238;&#32447;&#31243;&#30340; <i>id</i><br />
<span class="t-mark">(<code>std::{{{1}}}</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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