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51 lines
4.7 KiB
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51 lines
4.7 KiB
Plaintext
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--><title>mod_cgid - Apache HTTP Server</title><link href="../style/manual.css" type="text/css" rel="stylesheet"></head><body><blockquote><div align="center"><img src="../images/sub.gif" alt="[APACHE DOCUMENTATION]"><h3>Apache HTTP Server Version 2.0</h3></div><h1 align="center">Apache Module mod_cgid</h1><table cellspacing="1" cellpadding="0" bgcolor="#cccccc"><tr><td><table bgcolor="#ffffff"><tr><td nowrap="nowrap" valign="top"><span class="help">Description:
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</span></td><td>Execution of CGI scripts using an
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external CGI daemon</td></tr><tr><td nowrap="nowrap"><a href="module-dict.html#Status" class="help">Status:
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</a></td><td>Base</td></tr><tr><td nowrap="nowrap"><a href="module-dict.html#ModuleIdentifier" class="help">Module Identifier:
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</a></td><td>cgid_module</td></tr><tr><td align="left" valign="top"><a href="module-dict.html#Compatibility" class="help">Compatibility:
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</a></td><td><compatibility>Unix threaded MPMs only</compatibility></td></tr></table></td></tr></table><h2>Summary</h2>
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<p>Except for the optimizations and the additional <a href="#scriptsock" class="directive"><code class="directive">ScriptSock</code></a> directive noted below,
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mod_cgid behaves similarly to mod_cgi. <strong>See the
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<code><a href="../mod/mod_cgi.html">mod_cgi</a></code> Summary for additional details about
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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 instead of
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<code><a href="../mod/mod_cgi.html">mod_cgi</a></code> 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
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<code><a href="../mod/mod_cgi.html">mod_cgi</a></code>. 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><ul><li><a href="mod_cgi.html#scriptlog">ScriptLog</a></li><li><a href="mod_cgi.html#scriptlogbuffer">ScriptLogBuffer</a></li><li><a href="mod_cgi.html#scriptloglength">ScriptLogLength</a></li><li><a href="#scriptsock">ScriptSock</a></li></ul><hr><h2><a name="ScriptSock">ScriptSock</a> <a name="scriptsock">Directive</a></h2><table cellpadding="1" cellspacing="0" border="0" bgcolor="#cccccc"><tr><td><table bgcolor="#ffffff"><tr><td nowrap="nowrap"><strong>Description:
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</strong></td><td></td></tr><tr><td nowrap="nowrap"><a href="directive-dict.html#Syntax" class="help">Syntax:
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</a></td><td>ScriptSock <em>file-path</em></td></tr><tr><td nowrap="nowrap"><a href="directive-dict.html#Default" class="help">Default:
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</a></td><td><code>ScriptSock logs/cgisock</code></td></tr><tr><td nowrap="nowrap"><a href="directive-dict.html#Context" class="help">Context:
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</a></td><td>server config, virtual host</td></tr><tr><td nowrap="nowrap"><a href="directive-dict.html#Status" class="help">Status:
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</a></td><td>Base</td></tr><tr><td nowrap="nowrap"><a href="directive-dict.html#Module" class="help">Module:
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</a></td><td>mod_cgid</td></tr></table></td></tr></table>
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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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<blockquote><table cellpadding="10"><tr><td bgcolor="#eeeeee"><p align="center"><strong>Example</strong></p><code>
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ScriptSock /var/run/cgid.sock
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</code></td></tr></table></blockquote>
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<hr></blockquote><h3 align="center">Apache HTTP Server Version 2.0</h3><a href="./"><img src="../images/index.gif" alt="Index"></a><a href="../"><img src="../images/home.gif" alt="Home"></a></body></html> |