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_watchdog - 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.min.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 2.4</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 2.4</a> > <a href="./">Modules</a></div> 24<div id="page-content"> 25<div id="preamble"><h1>Apache Module mod_watchdog</h1> 26<div class="toplang"> 27<p><span>Available Languages: </span><a href="/en/mod/mod_watchdog.html" title="English"> en </a></p> 28</div> 29<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>provides infrastructure for other modules to periodically run 30 tasks</td></tr> 31<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> 32<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>watchdog_module</td></tr> 33<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_watchdog.c</td></tr> 34<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.3 and later</td></tr></table> 35<h3>Summary</h3> 36 37<p><code class="module"><a href="/mod/mod_watchdog.html">mod_watchdog</a></code> defines programmatic hooks for other modules to 38periodically run tasks. These modules can register handlers for 39<code class="module"><a href="/mod/mod_watchdog.html">mod_watchdog</a></code> hooks. Currently, the following modules in the 40Apache distribution use this functionality:</p> 41<ul> 42<li><code class="module"><a href="/mod/mod_heartbeat.html">mod_heartbeat</a></code></li> 43<li><code class="module"><a href="/mod/mod_heartmonitor.html">mod_heartmonitor</a></code></li> 44</ul> 45<div class="warning"> 46To allow a module to use <code class="module"><a href="/mod/mod_watchdog.html">mod_watchdog</a></code> functionality, 47<code class="module"><a href="/mod/mod_watchdog.html">mod_watchdog</a></code> itself must be statically linked to the server 48core or, if a dynamic module, be loaded before the calling module. 49</div> 50</div> 51<div id="quickview"><h3 class="directives">Directives</h3> 52<ul id="toc"> 53<li><img alt="" src="/images/down.gif" /> <a href="#watchdoginterval">WatchdogInterval</a></li> 54</ul> 55<ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 56 57<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 58<div class="directive-section"><h2><a name="WatchdogInterval" id="WatchdogInterval">WatchdogInterval</a> <a name="watchdoginterval" id="watchdoginterval">Directive</a></h2> 59<table class="directive"> 60<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Watchdog interval in seconds</td></tr> 61<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>WatchdogInterval <var>number-of-seconds</var></code></td></tr> 62<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>WatchdogInterval 1</code></td></tr> 63<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr> 64<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> 65<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_watchdog</td></tr> 66</table> 67<p>Sets the interval at which the watchdog_step hook runs. Default is to run every 68second.</p> 69 70</div> 71</div> 72<div class="bottomlang"> 73<p><span>Available Languages: </span><a href="/en/mod/mod_watchdog.html" title="English"> en </a></p> 74</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. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> 75<script type="text/javascript"><!--//--><![CDATA[//><!-- 76var comments_shortname = 'httpd'; 77var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_watchdog.html'; 78(function(w, d) { 79 if (w.location.hostname.toLowerCase() == "httpd.apache.org") { 80 d.write('<div id="comments_thread"><\/div>'); 81 var s = d.createElement('script'); 82 s.type = 'text/javascript'; 83 s.async = true; 84 s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; 85 (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); 86 } 87 else { 88 d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); 89 } 90})(window, document); 91//--><!]]></script></div><div id="footer"> 92<p class="apache">Copyright 2014 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> 93<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></div><script type="text/javascript"><!--//--><![CDATA[//><!-- 94if (typeof(prettyPrint) !== 'undefined') { 95 prettyPrint(); 96} 97//--><!]]></script> 98</body></html>
