1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 This file is generated from xml source: DO NOT EDIT 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 --> 8<title>mod_cgid - Apache HTTP Server</title> 9<link href="/style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> 10<link href="/style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> 11<link href="/style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="/style/css/prettify.css" /> 12<script src="/style/scripts/prettify.min.js" type="text/javascript"> 13</script> 14 15<link href="/images/favicon.ico" rel="shortcut icon" /></head> 16<body> 17<div id="page-header"> 18<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p> 19<p class="apache">Apache HTTP Server Version 2.4</p> 20<img alt="" src="/images/feather.gif" /></div> 21<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div> 22<div id="path"> 23<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Modules</a></div> 24<div id="page-content"> 25<div id="preamble"><h1>Apache Module mod_cgid</h1> 26<div class="toplang"> 27<p><span>Available Languages: </span><a href="/en/mod/mod_cgid.html" title="English"> en </a> | 28<a href="/fr/mod/mod_cgid.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 29<a href="/ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | 30<a href="/ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 31</div> 32<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Execution of CGI scripts using an 33 external CGI daemon</td></tr> 34<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> 35<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>cgid_module</td></tr> 36<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_cgid.c</td></tr> 37<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Unix threaded MPMs only</td></tr></table> 38<h3>Summary</h3> 39 40 <p>Except for the optimizations and the additional <code class="directive"><a href="#scriptsock">ScriptSock</a></code> directive noted below, 41 <code class="module"><a href="/mod/mod_cgid.html">mod_cgid</a></code> behaves similarly to <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code>. 42 <strong>See the <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code> summary for additional details 43 about Apache and CGI.</strong></p> 44 45 <p>On certain unix operating systems, forking a process from a 46 multi-threaded server is a very expensive operation because the 47 new process will replicate all the threads of the parent 48 process. In order to avoid incurring this expense on each CGI 49 invocation, <code class="module"><a href="/mod/mod_cgid.html">mod_cgid</a></code> creates an external daemon that is 50 responsible for forking child processes to run CGI scripts. The 51 main server communicates with this daemon using a unix domain 52 socket.</p> 53 54 <p>This module is used by default instead of 55 <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code> whenever a multi-threaded MPM 56 is selected during the compilation process. At the user level, 57 this module is identical in configuration and operation to 58 <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code>. The only exception is the 59 additional directive <code>ScriptSock</code> which gives the 60 name of the socket to use for communication with the cgi 61 daemon.</p> 62</div> 63<div id="quickview"><h3 class="directives">Directives</h3> 64<ul id="toc"> 65<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptlog">ScriptLog</a></li> 66<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptlogbuffer">ScriptLogBuffer</a></li> 67<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptloglength">ScriptLogLength</a></li> 68<li><img alt="" src="/images/down.gif" /> <a href="#scriptsock">ScriptSock</a></li> 69</ul> 70<h3>See also</h3> 71<ul class="seealso"> 72<li><code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code></li> 73<li><a href="/suexec.html">Running CGI programs under different 74 user IDs</a></li> 75</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 76 77<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 78<div class="directive-section"><h2><a name="ScriptSock" id="ScriptSock">ScriptSock</a> <a name="scriptsock" id="scriptsock">Directive</a></h2> 79<table class="directive"> 80<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The filename prefix of the socket to use for communication with 81the cgi daemon</td></tr> 82<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ScriptSock <var>file-path</var></code></td></tr> 83<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ScriptSock cgisock</code></td></tr> 84<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr> 85<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> 86<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cgid</td></tr> 87</table> 88 <p>This directive sets the filename prefix of the socket to use for 89 communication with the CGI daemon, an extension corresponding to 90 the process ID of the server will be appended. The socket will be opened 91 using the permissions of the user who starts Apache (usually 92 root). To maintain the security of communications with CGI 93 scripts, it is important that no other user has permission to 94 write in the directory where the socket is located.</p> 95 96 <p>If <var>file-path</var> is not an absolute path, the location specified 97 will be relative to the value of 98 <code class="directive"><a href="/mod/core.html#defaultruntimedir">DefaultRuntimeDir</a></code>.</p> 99 100 <div class="example"><h3>Example</h3><pre class="prettyprint lang-config">ScriptSock /var/run/cgid.sock</pre> 101</div> 102 103 104</div> 105</div> 106<div class="bottomlang"> 107<p><span>Available Languages: </span><a href="/en/mod/mod_cgid.html" title="English"> en </a> | 108<a href="/fr/mod/mod_cgid.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 109<a href="/ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | 110<a href="/ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 111</div><div class="top"><a href="#page-header"><img src="/images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. 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