<seealso><program>httpd</program></seealso>
<seealso><program>apachectl</program></seealso>
+<seealso><a href="invoking.html">Starting</a></seealso>
<section id="introduction"><title>Introduction</title>
whose pid is in the <directive
module="mpm_common">PidFile</directive>. That is to say you
shouldn't ever need to send signals to any process except the
- parent. There are three signals that you can send the parent:
+ parent. There are four signals that you can send the parent:
<code><a href="#term">TERM</a></code>,
+ <code><a href="#graceful">USR1</a></code>,
<code><a href="#hup">HUP</a></code>, and
- <code><a href="#graceful">USR1</a></code>, which
+ <code><a href="#gracefulstop">WINCH</a></code>, which
will be described in a moment.</p>
<p>To send a signal to the parent you should issue a command