69 lines
3.6 KiB
HTML
69 lines
3.6 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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<title>std::pmr::monotonic_buffer_resource::release</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_memory_monotonic_buffer_resource_release skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::pmr::monotonic_buffer_resource::</span>release</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-memory.html">memory</a>‎ | <a href="cpp-memory-monotonic_buffer_resource.html">monotonic buffer resource</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span> release<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td class="t-dcl-nopad"></td>
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<td><span class="t-mark-rev t-since-cxx17">(C++17 起)</span></td>
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<td></td>
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<td></td>
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<td></td>
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<p>通过上游 memory_resource 的 <code>ddeallocate</code> 函数，按需要释放所有分配的内存。重设<i>当前缓冲区</i>及<i>下个缓冲区大小</i>为其构造时的初始值。</p>
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<p>内存被释放回上游资源，即使未对某些被分配块调用 <code>deallocate</code> 。</p>
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<h3><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">缺陷报告</span></h3>
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<p>下列更改行为的缺陷报告追溯地应用于以前出版的 C++ 标准。</p>
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<table class="dsctable" style="font-size:0.8em">
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<tr>
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<th>DR</th>
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<th>应用于</th>
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<th>出版时的行为</th>
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<th>正确行为</th>
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<td><a rel="nofollow" class="external text" href="https://cplusplus.github.io/LWG/issue3120">LWG 3120</a></td>
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<td>C++17</td>
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<td><code>release</code> 可以不使得初始缓冲区可用，若提供它</td>
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<td>要求这么做</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-memory-memory_resource-deallocate.html"><span class="t-lines"><span>deallocate</span></span></a></div>
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</div>
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</td>
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<td>解分配内存<br />
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<span class="t-mark">(<code>std::pmr::memory_resource</code> 的公开成员函数)</span></td>
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