Document the signals

This adds the new SIGUSR1 handling to README and adds a section on SIGINT,
SIGHUP and SIGUSR1 to znc's man page.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1667 726aef4b-f618-498e-8847-2d620e286838

README

@@ -119,6 +119,11 @@ To rehash the config file, you can send ZNC SIGHUP via
 or you can login to znc and use
  /msg *status rehash
 
+If you changed some settings while znc is running, a simple
+ pkill -SIGUSR1 znc
+will make ZNC rewrite its config file. Alternatively you can use this:
+ /msg *status saveconfig
+
 Writing own modules
 -------------------
 

man/znc.1

@@ -79,6 +79,22 @@ This is the server certificate
 .B znc
 uses.
 You need this for SSL.
+.SH SIGNALS
+This section explains how
+.B znc
+reacts to different signals:
+.TP
+.B SIGINT
+Exit ZNC. This is equivalent to
+.I /znc shutdown
+.TP
+.B SIGHUP
+Reload znc.conf. This is equivalent to
+.I /znc rehash
+.TP
+.B SIGUSR1
+Rewrite znc.conf. This is equivalent to
+.I /znc saveconfig
 .SH FILES
 .TP
 .I /usr/local/share/znc/