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title="上一章"><code class="xref py py-mod docutils literal notranslate"><span class="pre">_dummy_thread</span></code> --- <code class="xref py py-mod docutils literal notranslate"><span class="pre">_thread</span></code> 的替代模块</a></p>
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<section id="module-dummy_threading">
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<span id="dummy-threading-drop-in-replacement-for-the-threading-module"></span><h1><a class="reference internal" href="#module-dummy_threading" title="dummy_threading: Drop-in replacement for the threading module."><code class="xref py py-mod docutils literal notranslate"><span class="pre">dummy_threading</span></code></a> --- 可直接替代 <a class="reference internal" href="threading.html#module-threading" title="threading: Thread-based parallelism."><code class="xref py py-mod docutils literal notranslate"><span class="pre">threading</span></code></a> 模块。<a class="headerlink" href="#module-dummy_threading" title="永久链接至标题">¶</a></h1>
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<p><strong>源代码：</strong> <a class="reference external" href="https://github.com/python/cpython/tree/3.8/Lib/dummy_threading.py">Lib/dummy_threading.py</a></p>
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<p><span class="versionmodified deprecated">3.7 版后已移除: </span>现在Python总是启用多线程。请使用 <a class="reference internal" href="threading.html#module-threading" title="threading: Thread-based parallelism."><code class="xref py py-mod docutils literal notranslate"><span class="pre">threading</span></code></a> 代替。</p>
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<p>这个模块提供了一个和 <a class="reference internal" href="threading.html#module-threading" title="threading: Thread-based parallelism."><code class="xref py py-mod docutils literal notranslate"><span class="pre">threading</span></code></a> 模块重复的接口。当平台不提供 <a class="reference internal" href="_thread.html#module-_thread" title="_thread: Low-level threading API."><code class="xref py py-mod docutils literal notranslate"><span class="pre">_thread</span></code></a> 模块时，应导入这个模块。</p>
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<p>如果线程需要阻塞等待另一个线程被创建的话，可能会造成死锁，这通常是由于阻塞 I/O 引起的。这种场景下请不要使用这个模块。</p>
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最后更新于 12月 09, 2024.
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