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.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 2.2</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 2.2</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="/ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | 29<a href="/ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 30</div> 31<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Execution of CGI scripts using an 32 external CGI daemon</td></tr> 33<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> 34<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>cgid_module</td></tr> 35<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_cgid.c</td></tr> 36<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Unix threaded MPMs only</td></tr></table> 37<h3>Summary</h3> 38 39 <p>Except for the optimizations and the additional <code class="directive"><a href="#scriptsock">ScriptSock</a></code> directive noted below, 40 <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>. 41 <strong>See the <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code> summary for additional details 42 about Apache and CGI.</strong></p> 43 44 <p>On certain unix operating systems, forking a process from a 45 multi-threaded server is a very expensive operation because the 46 new process will replicate all the threads of the parent 47 process. In order to avoid incurring this expense on each CGI 48 invocation, <code class="module"><a href="/mod/mod_cgid.html">mod_cgid</a></code> creates an external daemon that is 49 responsible for forking child processes to run CGI scripts. The 50 main server communicates with this daemon using a unix domain 51 socket.</p> 52 53 <p>This module is used by default instead of 54 <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code> whenever a multi-threaded MPM 55 is selected during the compilation process. At the user level, 56 this module is identical in configuration and operation to 57 <code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code>. The only exception is the 58 additional directive <code>ScriptSock</code> which gives the 59 name of the socket to use for communication with the cgi 60 daemon.</p> 61</div> 62<div id="quickview"><h3 class="directives">Directives</h3> 63<ul id="toc"> 64<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptlog">ScriptLog</a></li> 65<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptlogbuffer">ScriptLogBuffer</a></li> 66<li><img alt="" src="/images/right.gif" /> <a href="mod_cgi.html#scriptloglength">ScriptLogLength</a></li> 67<li><img alt="" src="/images/down.gif" /> <a href="#scriptsock">ScriptSock</a></li> 68</ul> 69<h3>See also</h3> 70<ul class="seealso"> 71<li><code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code></li> 72<li><a href="/suexec.html">Running CGI programs under different 73 user IDs</a></li> 74</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 75 76<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 77<div class="directive-section"><h2><a name="ScriptSock" id="ScriptSock">ScriptSock</a> <a name="scriptsock" id="scriptsock">Directive</a></h2> 78<table class="directive"> 79<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The filename prefix of the socket to use for communication with 80the cgi daemon</td></tr> 81<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ScriptSock <var>file-path</var></code></td></tr> 82<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ScriptSock logs/cgisock</code></td></tr> 83<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr> 84<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> 85<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cgid</td></tr> 86</table> 87 <p>This directive sets the filename prefix of the socket to use for 88 communication with the CGI daemon, an extension corresponding to 89 the process ID of the server will be appended. The socket will be opened 90 using the permissions of the user who starts Apache (usually 91 root). To maintain the security of communications with CGI 92 scripts, it is important that no other user has permission to 93 write in the directory where the socket is located.</p> 94 95 <div class="example"><h3>Example</h3><p><code> 96 ScriptSock /var/run/cgid.sock 97 </code></p></div> 98 99 100</div> 101</div> 102<div class="bottomlang"> 103<p><span>Available Languages: </span><a href="/en/mod/mod_cgid.html" title="English"> en </a> | 104<a href="/ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | 105<a href="/ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 106</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. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. 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