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86 lines
2.9 KiB
HTML
86 lines
2.9 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>Create a fifo special file (a named pipe)</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-mkfifo" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_mkfifo</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_mkfifo</span> — <span class="dc-title">Create a fifo special file (a named pipe)</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-mkfifo-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_mkfifo</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$pathname</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>posix_mkfifo()</strong></span> creates a special
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<em>FIFO</em> file which exists in the file system and acts as
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a bidirectional communication endpoint for processes.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.posix-mkfifo-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">pathname</code></dt>
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<dd>
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<p class="para">
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Path to the <em>FIFO</em> file.
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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The second parameter <code class="parameter">mode</code> has to be given in
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octal notation (e.g. 0644). The permission of the newly created
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<em>FIFO</em> also depends on the setting of the current
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<span class="function"><a href="umask.html" class="function">umask()</a></span>. The permissions of the created file are
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(mode & ~umask).
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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-mkfifo-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.posix-mkfifo-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">当启用
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<a href="features.safe_mode.html" class="link">安全模式</a>时，
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PHP 会检查被操作的文件或目录是否与被执行的脚本有相同的 UID（所有者）。</span></p></blockquote>
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</div>
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</div></div></div></body></html> |