mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-29 04:52:50 +08:00
87 lines
2.8 KiB
HTML
87 lines
2.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
|
<title>Convert a pathname and a project identifier to a System V IPC key</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.ftok" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">ftok</h1>
|
|
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ftok</span> — <span class="dc-title">Convert a pathname and a project identifier to a System V IPC key</span></p>
|
|
|
|
</div>
|
|
|
|
<div class="refsect1 description" id="refsect1-function.ftok-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>ftok</strong></span>
|
|
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$pathname</code></span>
|
|
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$proj</code></span>
|
|
) : <span class="type">int</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
The function converts the <code class="parameter">pathname</code> of an existing
|
|
accessible file and a project identifier into an
|
|
<em>integer</em> for use with for example
|
|
<span class="function"><a href="shmop_open.html" class="function">shmop_open()</a></span> and other System V IPC keys.
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 parameters" id="refsect1-function.ftok-parameters">
|
|
<h3 class="title">参数</h3>
|
|
<p class="para">
|
|
<dl>
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">pathname</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
Path to an accessible file.
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">proj</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
Project identifier. This must be a one character string.
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
</dl>
|
|
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.ftok-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
On success the return value will be the created key value, otherwise
|
|
<em>-1</em> is returned.
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 seealso" id="refsect1-function.ftok-seealso">
|
|
<h3 class="title">参见</h3>
|
|
<p class="para">
|
|
<ul class="simplelist">
|
|
<li class="member"><span class="function"><a href="shmop_open.html" class="function" rel="rdfs-seeAlso">shmop_open()</a> - Create or open shared memory block</span></li>
|
|
<li class="member"><span class="function"><a href="sem_get.html" class="function" rel="rdfs-seeAlso">sem_get()</a> - Get a semaphore id</span></li>
|
|
</ul>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
</div></div></div></body></html> |