uTools-Manuals/docs/php/posix_getsid.html
2019-04-28 19:00:34 +08:00

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<title>Get the current sid of the process</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.posix-getsid" class="refentry">
<div class="refnamediv">
<h1 class="refname">posix_getsid</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_getsid</span> &mdash; <span class="dc-title">Get the current sid of the process</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.posix-getsid-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>posix_getsid</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$pid</code></span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
Return the session id of the process <code class="parameter">pid</code>.
The session id of a process is the process group id of the session leader.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.posix-getsid-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">pid</code></dt>
<dd>
<p class="para">
The process identifier. If set to 0, the current process is
assumed. If an invalid <code class="parameter">pid</code> is
specified, then <strong><code>FALSE</code></strong> is returned and an error is set which
can be checked with <span class="function"><a href="posix_get_last_error.html" class="function">posix_get_last_error()</a></span>.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.posix-getsid-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns the identifier, as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.posix-getsid-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-4348">
<p><strong>Example #1 Example use of <span class="function"><strong>posix_getsid()</strong></span></strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$pid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">posix_getpid</span><span style="color: #007700">();<br />echo&nbsp;</span><span style="color: #0000BB">posix_getsid</span><span style="color: #007700">(</span><span style="color: #0000BB">$pid</span><span style="color: #007700">);&nbsp;</span><span style="color: #FF8000">//8805<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.posix-getsid-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member">
<span class="function"><a href="posix_getpgid.html" class="function" rel="rdfs-seeAlso">posix_getpgid()</a> - Get process group id for job control</span>
</li>
<li class="member">
<span class="function"><a href="posix_setsid.html" class="function" rel="rdfs-seeAlso">posix_setsid()</a> - Make the current process a session leader</span>
</li>
<li class="member">POSIX man page GETSID(2)</li>
</ul>
</p>
</div>
</div></div></div></body></html>