📄 function.posix-getsid.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Get the current sid of the process</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-getrlimit.html">posix_getrlimit</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-getuid.html">posix_getuid</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.posix-getsid" class="refentry"> <div class="refnamediv"> <h1 class="refname">posix_getsid</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_getsid</span> — <span class="dc-title">Get the current sid of the process</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>posix_getsid</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$pid</tt></span> )</div> <p class="para rdfs-comment"> Return the session id of the process <i><tt class="parameter">pid</tt></i>. The session id of a process is the process group id of the session leader. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">pid</tt></i></span> <dd> <p class="para"> The process identifier. If set to 0, the current process is assumed. If an invalid <i><tt class="parameter">pid</tt></i> is specified, then <b><tt>FALSE</tt></b> is returned and an error is set which can be checked with <a href="function.posix-get-last-error.html" class="function">posix_get_last_error()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the identifier, as an <a href="language.types.integer.html" class="type integer">integer</a>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Example use of <b>posix_getsid()</b></b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$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></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <a href="function.posix-getpgid.html" class="function" rel="rdfs-seeAlso">posix_getpgid()</a> </li> <li class="member"> <a href="function.posix-setsid.html" class="function" rel="rdfs-seeAlso">posix_setsid()</a> </li> <li class="member">POSIX man page GETSID(2)</li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-getrlimit.html">posix_getrlimit</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-getuid.html">posix_getuid</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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