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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>atomic_store, <span style="font-size:0.7em; line-height:130%">std::</span>atomic_store_explicit</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-atomic.html">atomic</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-atomic.html">&lt;atomic&gt;</a></code></div>
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<td rowspan="142">(1)</td>
<td rowspan="142"><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">void</span> atomic_store<span class="br0">(</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy2">*</span> obj,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw1">typename</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> desr <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">void</span> atomic_store<span class="br0">(</span> <span class="kw4">volatile</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy2">*</span> obj,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw1">typename</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> desr <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></div>
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<td rowspan="142">(2)</td>
<td rowspan="142"><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">void</span> atomic_store_explicit<span class="br0">(</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy2">*</span> obj,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">typename</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> desr,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-atomic-memory_order.html"><span class="kw2090">std::<span class="me2">memory_order</span></span></a> order<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br /></span>
<p><span class="kw4">void</span> atomic_store_explicit<span class="br0">(</span> <span class="kw4">volatile</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy2">*</span> obj,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">typename</span> <a href="cpp-atomic-atomic.html"><span class="kw2066">std::<span class="me2">atomic</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> desr,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-atomic-memory_order.html"><span class="kw2090">std::<span class="me2">memory_order</span></span></a> order<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></div>
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<div class="t-li1"><span class="t-li">1)</span> &#22914;&#21516;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">obj<span class="sy2">-</span><span class="sy1">&gt;</span>store<span class="br0">(</span>desr<span class="br0">)</span></span></span> &#21407;&#23376;&#22320;&#20197; <code>desr</code> &#30340;&#20540;&#26367;&#25442; <code>obj</code> &#25152;&#25351;&#21521;&#30340;&#20540;&#12290;</div>
<div class="t-li1"><span class="t-li">2)</span> &#22914;&#21516;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">obj<span class="sy2">-</span><span class="sy1">&gt;</span>store<span class="br0">(</span>desr, order<span class="br0">)</span></span></span> &#21407;&#23376;&#22320;&#20197; <code>desr</code> &#30340;&#20540;&#26367;&#25442; <code>obj</code> &#25152;&#25351;&#21521;&#30340;&#20540;&#12290;</div>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>obj</td>
<td>-</td>
<td>&#25351;&#21521;&#35201;&#20462;&#25913;&#30340;&#21407;&#23376;&#23545;&#35937;&#30340;&#25351;&#38024;</td>
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<td>desr</td>
<td>-</td>
<td>&#35201;&#23384;&#20648;&#20110;&#21407;&#23376;&#23545;&#35937;&#30340;&#20540;</td>
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<td>order</td>
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<td>&#27492;&#25805;&#20316;&#25152;&#29992;&#30340;&#20869;&#23384;&#21516;&#27493;&#39034;&#24207;&#65306;&#21482;&#23481;&#35768; <span class="t-lc"><a href="cpp-atomic-memory_order.html">std::memory_order_relaxed</a></span> &#12289; <span class="t-lc"><a href="cpp-atomic-memory_order.html">std::memory_order_release</a></span> &#21644; <span class="t-lc"><a href="cpp-atomic-memory_order.html">std::memory_order_seq_cst</a></span> &#12290;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">&#32570;&#38519;&#25253;&#21578;</span></h3>
<p>&#19979;&#21015;&#26356;&#25913;&#34892;&#20026;&#30340;&#32570;&#38519;&#25253;&#21578;&#36861;&#28335;&#22320;&#24212;&#29992;&#20110;&#20197;&#21069;&#20986;&#29256;&#30340; C++ &#26631;&#20934;&#12290;</p>
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<th>DR</th>
<th>&#24212;&#29992;&#20110;</th>
<th>&#20986;&#29256;&#26102;&#30340;&#34892;&#20026;</th>
<th>&#27491;&#30830;&#34892;&#20026;</th>
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<td><a rel="nofollow" class="external text" href="https://wg21.link/P0558R1">P0558R1</a></td>
<td>C++11</td>
<td>&#26366;&#35201;&#27714;&#20934;&#30830;&#31867;&#22411;&#21305;&#37197;&#65292;&#22240;&#20026;&#20174;&#22810;&#20010;&#21442;&#25968;&#25512;&#23548; <code>T</code></td>
<td>&#20165;&#20174; <code>atomic</code> &#21442;&#25968;&#25512;&#23548; <code>T</code></td>
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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="cpp-atomic-atomic-store.html"><span class="t-lines"><span>store</span></span></a></div>
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<td>&#21407;&#23376;&#22320;&#20197;&#38750;&#21407;&#23376;&#23545;&#35937;&#26367;&#25442;&#21407;&#23376;&#23545;&#35937;&#30340;&#20540;<br />
<span class="t-mark">(<code>std::atomic&lt;T&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-atomic-atomic_load.html"><span class="t-lines"><span>atomic_load</span><span>atomic_load_explicit</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></div>
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<td>&#21407;&#23376;&#22320;&#33719;&#24471;&#23384;&#20648;&#20110;&#21407;&#23376;&#23545;&#35937;&#30340;&#20540;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div><a href="cpp-atomic-memory_order.html"><span class="t-lines"><span>memory_order</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>&#20026;&#32473;&#23450;&#30340;&#21407;&#23376;&#25805;&#20316;&#23450;&#20041;&#20869;&#23384;&#39034;&#24207;&#32422;&#26463;<br />
<span class="t-mark">(&#26522;&#20030;)</span></td>
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<div><a href="cpp-memory-shared_ptr-atomic.html"><span class="t-lines"><span>std::atomic_store<span class="t-dsc-small">(std::shared_ptr)</span></span> <span>std::atomic_store_explicit<span class="t-dsc-small">(std::shared_ptr)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-deprecated-cxx20">(C++20 &#20013;&#24323;&#29992;)</span></span></span></div>
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<td>&#20026; <span class="t-lc"><a href="cpp-memory-shared_ptr.html">std::shared_ptr</a></span> &#29305;&#21270;&#21407;&#23376;&#25805;&#20316;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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