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  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" />
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  12. <link href="../images/favicon.ico" rel="shortcut icon" /></head>
  13. <body>
  14. <div id="page-header">
  15. <p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
  16. <p class="apache">Apache HTTP Server Version 2.2</p>
  17. <img alt="" src="../images/feather.gif" /></div>
  18. <div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div>
  19. <div id="path">
  20. <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>
  21. <div id="page-content">
  22. <div id="preamble"><h1>Apache Module mod_cgid</h1>
  23. <div class="toplang">
  24. <p><span>Available Languages: </span><a href="../en/mod/mod_cgid.html" title="English"> en </a> |
  25. <a href="../ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
  26. <a href="../ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
  27. </div>
  28. <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Execution of CGI scripts using an
  29.     external CGI daemon</td></tr>
  30. <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
  31. <tr><th><a href="module-dict.html#ModuleIdentifier">ModuleáIdentifier:</a></th><td>cgid_module</td></tr>
  32. <tr><th><a href="module-dict.html#SourceFile">SourceáFile:</a></th><td>mod_cgid.c</td></tr>
  33. <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Unix threaded MPMs only</td></tr></table>
  34. <h3>Summary</h3>
  35.  
  36.     <p>Except for the optimizations and the additional <code class="directive"><a href="#scriptsock">ScriptSock</a></code> directive noted below,
  37.     <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>.
  38.     <strong>See the <code class="module"><a href="../mod/mod_cgi.html">mod_cgi</a></code> summary for additional details
  39.     about Apache and CGI.</strong></p>
  40.  
  41.     <p>On certain unix operating systems, forking a process from a
  42.     multi-threaded server is a very expensive operation because the
  43.     new process will replicate all the threads of the parent
  44.     process. In order to avoid incurring this expense on each CGI
  45.     invocation, <code class="module"><a href="../mod/mod_cgid.html">mod_cgid</a></code> creates an external daemon that is
  46.     responsible for forking child processes to run CGI scripts. The
  47.     main server communicates with this daemon using a unix domain
  48.     socket.</p>
  49.  
  50.     <p>This module is used by default instead of
  51.     <code class="module"><a href="../mod/mod_cgi.html">mod_cgi</a></code> whenever a multi-threaded MPM
  52.     is selected during the compilation process. At the user level,
  53.     this module is identical in configuration and operation to
  54.     <code class="module"><a href="../mod/mod_cgi.html">mod_cgi</a></code>. The only exception is the
  55.     additional directive <code>ScriptSock</code> which gives the
  56.     name of the socket to use for communication with the cgi
  57.     daemon.</p>
  58. </div>
  59. <div id="quickview"><h3 class="directives">Directives</h3>
  60. <ul id="toc">
  61. <li><img alt="" src="../images/right.gif" /> <a href="mod_cgi.html#scriptlog">ScriptLog</a></li>
  62. <li><img alt="" src="../images/right.gif" /> <a href="mod_cgi.html#scriptlogbuffer">ScriptLogBuffer</a></li>
  63. <li><img alt="" src="../images/right.gif" /> <a href="mod_cgi.html#scriptloglength">ScriptLogLength</a></li>
  64. <li><img alt="" src="../images/down.gif" /> <a href="#scriptsock">ScriptSock</a></li>
  65. </ul>
  66. <h3>See also</h3>
  67. <ul class="seealso">
  68. <li><code class="module"><a href="../mod/mod_cgi.html">mod_cgi</a></code></li>
  69. <li><a href="../suexec.html">Running CGI programs under different
  70.     user IDs</a></li>
  71. </ul></div>
  72.  
  73. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  74. <div class="directive-section"><h2><a name="ScriptSock" id="ScriptSock">ScriptSock</a> <a name="scriptsock" id="scriptsock">Directive</a></h2>
  75. <table class="directive">
  76. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The filename prefix of the socket to use for communication with
  77. the cgi daemon</td></tr>
  78. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ScriptSock <var>file-path</var></code></td></tr>
  79. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ScriptSock logs/cgisock</code></td></tr>
  80. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
  81. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
  82. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cgid</td></tr>
  83. </table>
  84.     <p>This directive sets the filename prefix of the socket to use for
  85.     communication with the CGI daemon, an extension correspondening to
  86.     the process ID of the server will be appended. The socket will be opened
  87.     using the permissions of the user who starts Apache (usually
  88.     root). To maintain the security of communications with CGI
  89.     scripts, it is important that no other user has permission to
  90.     write in the directory where the socket is located.</p>
  91.  
  92.     <div class="example"><h3>Example</h3><p><code>
  93.       ScriptSock /var/run/cgid.sock
  94.     </code></p></div>
  95.  
  96.  
  97. </div>
  98. </div>
  99. <div class="bottomlang">
  100. <p><span>Available Languages: </span><a href="../en/mod/mod_cgid.html" title="English"> en </a> |
  101. <a href="../ja/mod/mod_cgid.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
  102. <a href="../ko/mod/mod_cgid.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
  103. </div><div id="footer">
  104. <p class="apache">Copyright 1995-2006 The Apache Software Foundation or its licensors, as applicable.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
  105. <p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div>
  106. </body></html>