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Extensible Markup Language  |  2006-01-15  |  7KB  |  101 lines
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  8. <title>mod_dav_lock - Apache HTTP Server</title>
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  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>
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  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_dav_lock</h1>
  23. <div class="toplang">
  24. <p><span>Available Languages: </span><a href="../en/mod/mod_dav_lock.html" title="English"> en </a> |
  25. <a href="../ja/mod/mod_dav_lock.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
  26. </div>
  27. <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>generic locking module for <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code></td></tr>
  28. <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  29. <tr><th><a href="module-dict.html#ModuleIdentifier">ModuleáIdentifier:</a></th><td>dav_lock_module</td></tr>
  30. <tr><th><a href="module-dict.html#SourceFile">SourceáFile:</a></th><td>mod_dav_lock.c</td></tr>
  31. <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.1 and later</td></tr></table>
  32. <h3>Summary</h3>
  33.  
  34.     <p>This module implements a generic locking API which can be used by any
  35.     backend provider of <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code>. It <em>requires</em> at least
  36.     the service of <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code>. But without a backend provider
  37.     which makes use of it, it's useless and should not be loaded into the
  38.     server. A sample backend module which actually utilizes
  39.     <code class="module"><a href="../mod/mod_dav_lock.html">mod_dav_lock</a></code>, is <a href="http://subversion.tigris.org/">mod_dav_svn</a>, the subversion provider module.</p>
  40.  
  41.     <p>Note that <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code> does <em>not</em> need this
  42.     generic locking module, because it uses it's own more specialized
  43.     version.</p>
  44.  
  45.     <p>In order to make <code class="module"><a href="../mod/mod_dav_lock.html">mod_dav_lock</a></code> functional, you just have
  46.     to specify the location of the lock database using the <code class="directive"><a href="#davgenericlockdb">DavGenericLockDB</a></code> directive described
  47.     below.</p>
  48.  
  49.     <div class="note"><h3>Developer's Note</h3>
  50.       <p>In order to retrieve the pointer to the locking provider function, you
  51.       have to use the <code>ap_lookup_provider</code> API with the arguments
  52.       <code>dav-lock</code>, <code>generic</code> and <code>0</code>.</p>
  53.     </div>
  54. </div>
  55. <div id="quickview"><h3 class="directives">Directives</h3>
  56. <ul id="toc">
  57. <li><img alt="" src="../images/down.gif" /> <a href="#davgenericlockdb">DavGenericLockDB</a></li>
  58. </ul>
  59. <h3>See also</h3>
  60. <ul class="seealso">
  61. <li><code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code></li>
  62. </ul></div>
  63.  
  64. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  65. <div class="directive-section"><h2><a name="DavGenericLockDB" id="DavGenericLockDB">DavGenericLockDB</a> <a name="davgenericlockdb" id="davgenericlockdb">Directive</a></h2>
  66. <table class="directive">
  67. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Location of the DAV lock database</td></tr>
  68. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>DavGenericLockDB <var>file-path</var></code></td></tr>
  69. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
  70. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  71. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_dav_lock</td></tr>
  72. </table>
  73.     <p>Use the <code class="directive">DavGenericLockDB</code> directive to specify
  74.     the full path to the lock database, excluding an extension. If
  75.     the path is not absolute, it will be taken relative to <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>. The implementation of
  76.     <code class="module"><a href="../mod/mod_dav_lock.html">mod_dav_lock</a></code> uses a SDBM database to track user
  77.     locks.</p>
  78.  
  79.     <div class="example"><h3>Example</h3><p><code>
  80.       DavGenericLockDB var/DavLock
  81.     </code></p></div>
  82.  
  83.     <p>The directory containing the lock database file must be
  84.     writable by the <code class="directive"><a href="../mod/mpm_common.html#user">User</a></code>
  85.     and <code class="directive"><a href="../mod/mpm_common.html#group">Group</a></code> under which
  86.     Apache is running.  For security reasons, you should create a
  87.     directory for this purpose rather than changing the permissions on
  88.     an existing directory.  In the above example, Apache will create
  89.     files in the <code>var/</code> directory under the <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> with the base filename
  90.     <code>DavLock</code> and extension name chosen by the server.</p>
  91.  
  92.  
  93. </div>
  94. </div>
  95. <div class="bottomlang">
  96. <p><span>Available Languages: </span><a href="../en/mod/mod_dav_lock.html" title="English"> en </a> |
  97. <a href="../ja/mod/mod_dav_lock.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
  98. </div><div id="footer">
  99. <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>
  100. <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>
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