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97 lines
3.7 KiB
HTML
97 lines
3.7 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>Get the current sid of the process</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.posix-getsid" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_getsid</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_getsid</span> — <span class="dc-title">Get the current sid of the process</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-getsid-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>posix_getsid</strong></span>
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( <span class="methodparam"><span class="type">int</span> <code class="parameter">$pid</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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Return the session id of the process <code class="parameter">pid</code>.
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The session id of a process is the process group id of the session leader.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.posix-getsid-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">pid</code></dt>
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<dd>
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<p class="para">
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The process identifier. If set to 0, the current process is
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assumed. If an invalid <code class="parameter">pid</code> is
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specified, then <strong><code>FALSE</code></strong> is returned and an error is set which
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can be checked with <span class="function"><a href="posix_get_last_error.html" class="function">posix_get_last_error()</a></span>.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.posix-getsid-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the identifier, as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-getsid-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-4348">
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<p><strong>Example #1 Example use of <span class="function"><strong>posix_getsid()</strong></span></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 />$pid </span><span style="color: #007700">= </span><span style="color: #0000BB">posix_getpid</span><span style="color: #007700">();<br />echo </span><span style="color: #0000BB">posix_getsid</span><span style="color: #007700">(</span><span style="color: #0000BB">$pid</span><span style="color: #007700">); </span><span style="color: #FF8000">//8805<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>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.posix-getsid-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">
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<span class="function"><a href="posix_getpgid.html" class="function" rel="rdfs-seeAlso">posix_getpgid()</a> - Get process group id for job control</span>
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</li>
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<li class="member">
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<span class="function"><a href="posix_setsid.html" class="function" rel="rdfs-seeAlso">posix_setsid()</a> - Make the current process a session leader</span>
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</li>
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<li class="member">POSIX man page GETSID(2)</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> |