function.posix-mkfifo.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 101 行
HTML
101 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Create a fifo special file (a named pipe)</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-kill.html">posix_kill</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-mknod.html">posix_mknod</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-mkfifo" class="refentry"> <div class="refnamediv"> <h1 class="refname">posix_mkfifo</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_mkfifo</span> — <span class="dc-title">Create a fifo special file (a named pipe)</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>posix_mkfifo</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$pathname</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$mode</tt></span> )</div> <p class="para rdfs-comment"> <b>posix_mkfifo()</b> creates a special <i>FIFO</i> file which exists in the file system and acts as a bidirectional communication endpoint for processes. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">pathname</tt></i></span> <dd> <p class="para"> Path to the <i>FIFO</i> file. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">mode</tt></i></span> <dd> <p class="para"> The second parameter <i><tt class="parameter">mode</tt></i> has to be given in octal notation (e.g. 0644). The permission of the newly created <i>FIFO</i> also depends on the setting of the current <a href="function.umask.html" class="function">umask()</a>. The permissions of the created file are (mode & ~umask). </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: <span class="simpara">When <a href="features.safe-mode.html" class="link">safe mode</a> is enabled, PHP checks whether the files or directories being operated upon have the same UID (owner) as the script that is being executed.</span></p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-kill.html">posix_kill</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-mknod.html">posix_mknod</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
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?