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extra info, document the AcceptPathInfo impact in the PATH_INFO comments of mod_cgi, and document it's configuration in core. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92455 13f79535-47bb-0310-9956-ffa450edef68
94 lines
3.5 KiB
HTML
94 lines
3.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org" />
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<title>Apache module mod_cgi</title>
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</head>
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<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
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<body bgcolor="#FFFFFF" text="#000000" link="#0000FF"
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vlink="#000080" alink="#FF0000">
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<!--#include virtual="header.html" -->
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<h1 align="CENTER">Module mod_cgid</h1>
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<p>This module provides for execution of CGI scripts using an
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external CGI daemon.</p>
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<p><a href="module-dict.html#Status"
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rel="Help"><strong>Status:</strong></a> Base (unix threaded
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MPMs only)<br />
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<a href="module-dict.html#SourceFile"
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rel="Help"><strong>Source File:</strong></a> mod_cgid.c<br />
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<a href="module-dict.html#ModuleIdentifier"
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rel="Help"><strong>Module Identifier:</strong></a>
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cgid_module</p>
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<h2>Summary</h2>
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<p>Except for the optimizations and the additional ScriptSock
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directive noted below, mod_cgid behaves similarly to mod_cgi.
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<strong>See the <a href="mod_cgi.html">mod_cgi</a> Summary
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for additional details about Apache and CGI.</strong></p>
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<p>On certain unix operating systems, forking a process from a
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multi-threaded server is a very expensive operation because the
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new process will replicate all the threads of the parent
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process. In order to avoid incurring this expense on each CGI
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invocation, mod_cgid creates an external daemon that is
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responsible for forking child processes to run CGI scripts. The
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main server communicates with this daemon using a unix domain
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socket.</p>
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<p>This module is used by default whenever a multi-threaded MPM
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is selected during the compilation process. At the user level,
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this module is identical in configuration and operation to <a
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href="mod_cgi.html">mod_cgi</a>. The only exception is the
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additional directive <code>ScriptSock</code> which gives the
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name of the socket to use for communication with the cgi
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daemon.</p>
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<h2>Directives</h2>
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<ul>
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<li><a href="mod_cgi.html#scriptlog">ScriptLog</a></li>
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<li><a
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href="mod_cgi.html#scriptloglength">ScriptLogLength</a></li>
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<li><a
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href="mod_cgi.html#scriptlogbuffer">ScriptLogBuffer</a></li>
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<li><a href="#scriptsock">ScriptSock</a></li>
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</ul>
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<hr />
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<h3><a id="scriptsock" name="scriptsock">ScriptSock</a>
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directive</h3>
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<p><a href="directive-dict.html#Syntax"
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rel="Help"><strong>Syntax:</strong></a> Scriptsock
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<em>filename</em><br />
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<a href="directive-dict.html#Default"
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rel="Help"><strong>Default:</strong></a> logs/cgisock<br />
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<a href="directive-dict.html#Context"
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rel="Help"><strong>Context:</strong></a> server config<br />
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<a href="directive-dict.html#Status"
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rel="Help"><strong>Status:</strong></a> Base<br />
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<a href="directive-dict.html#Module"
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rel="Help"><strong>Module:</strong></a> mod_cgid</p>
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<p>This directive sets the name of the socket to use for
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communication with the CGI daemon. The socket will be opened
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using the permissions of the user who starts Apache (usually
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root). To maintain the security of communications with CGI
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scripts, it is important that no other user has permission to
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write in the directory where the socket is located.</p>
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<!--#include virtual="footer.html" -->
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</body>
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</html>
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