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77 lines
4.6 KiB
HTML
77 lines
4.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>调用等待信号的处理器</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.pcntl-signal-dispatch" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pcntl_signal_dispatch</h1>
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<p class="verinfo">(PHP 5 >= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">pcntl_signal_dispatch</span> — <span class="dc-title">调用等待信号的处理器</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.pcntl-signal-dispatch-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>pcntl_signal_dispatch</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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函数<span class="function"><strong>pcntl_signal_dispatch()</strong></span>调用每个等待信号通过<span class="function"><a href="pcntl_signal.html" class="function">pcntl_signal()</a></span>
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安装的处理器。
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.pcntl-signal-dispatch-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.pcntl-signal-dispatch-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-4326">
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<p><strong>Example #1 <span class="function"><strong>pcntl_signal_dispatch()</strong></span> 示例</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"安装信号处理器...\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">pcntl_signal</span><span style="color: #007700">(</span><span style="color: #0000BB">SIGHUP</span><span style="color: #007700">, function(</span><span style="color: #0000BB">$signo</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"信号处理器被调用\n"</span><span style="color: #007700">;<br />});<br /><br />echo </span><span style="color: #DD0000">"为自己生成SIGHUP信号...\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">posix_kill</span><span style="color: #007700">(</span><span style="color: #0000BB">posix_getpid</span><span style="color: #007700">(), </span><span style="color: #0000BB">SIGHUP</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"分发...\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">pcntl_signal_dispatch</span><span style="color: #007700">();<br /><br />echo </span><span style="color: #DD0000">"完成\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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安装信号处理器...
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为自己生成SIGHUP信号...
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分发...
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信号处理器被调用
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完成
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.pcntl-signal-dispatch-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="pcntl_signal.html" class="function" rel="rdfs-seeAlso">pcntl_signal()</a> - 安装一个信号处理器</span></li>
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<li class="member"><span class="function"><a href="pcntl_sigprocmask.html" class="function" rel="rdfs-seeAlso">pcntl_sigprocmask()</a> - 设置或检索阻塞信号</span></li>
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<li class="member"><span class="function"><a href="pcntl_sigwaitinfo.html" class="function" rel="rdfs-seeAlso">pcntl_sigwaitinfo()</a> - 等待信号</span></li>
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<li class="member"><span class="function"><a href="pcntl_sigtimedwait.html" class="function" rel="rdfs-seeAlso">pcntl_sigtimedwait()</a> - 带超时机制的信号等待</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |