#!/bin/bash
#
# chkconfig: 12345 02 98
# description: A software watchdog
#
# rc file author: Marc Merlin <marcsoft@merlins.org>
#                 Henning P. Schmiedehausen <hps@tanstaafl.de>
#
# processname: watchdog
# config: /etc/watchdog.conf
# config: /etc/sysconfig/watchdog
#
# Note that even though chkconfig says that this should be run at runlevel 1,
# RH by default won't do this, so the RPM applies an ugly patch to 
# /etc/rc.d/init.d/single so that if you go from RL 3 to RL 1, watchdog is
# restarted anyway (if it's not, it can cause the kernel to reboot your machine
# depending on whether your kernel was compiled with CONFIG_WATCHDOG_NOWAYOUT)
#
# I have filed a bug with RH about this, and I hope they will change their
# single script to allow for other scripts to be run in RL 1.

# Source function library.
. /etc/rc.d/init.d/functions

[ -x /usr/sbin/watchdog -a -e /etc/watchdog.conf ] || exit 0

VERBOSE="no"
if [ -f /etc/sysconfig/watchdog ]; then
    . /etc/sysconfig/watchdog
fi

# See how we were called.
case "$1" in
  start)
	echo -n "Starting software watchdog: "
	# For some people it is a module, for others not. We force it because
	# for kernels < 2.1, we need kerneld, and it's not running yet.

	modprobe softdog &>/dev/null
	modprobe pcwd &>/dev/null
	modprobe acquirewdt &>/dev/null

	if [ ${VERBOSE}="yes" ]; then
	    daemon /usr/sbin/watchdog -v
	else
	daemon /usr/sbin/watchdog
        fi
	echo
	touch /var/lock/subsys/watchdog
	;;
  stop)
	echo -n "Stopping software watchdog: "
	killproc watchdog
        # If you compiled your kernel with CONFIG_WATCHDOG_NOWAYOUT, you may
        # not want  to remove the module  as sometimes /etc/rc.d/init.d/halt
        # will hang on umounting some remote nfs partition or for some other
        # reason, and you may then want the kernel to reboot by itself.
        # However, this means that if you stop watchdog, your system has one
        # minute to reboot cleanly, or it will be rebooted by the kernel. If
        # this behavior  isn't what you  want, just uncomment  the following
        # lines
	#rmmod softdog &>/dev/null
	#rmmod pcwd &>/dev/null
	#rmmod acquirewdt &>/dev/null
	echo
	rm -f /var/lock/subsys/watchdog
	;;

  restart|reload)
        $0 stop
        $0 start
        ;;
  status)
        status watchdog
        ;;
  *)
	echo "Usage: watchdog {start|stop|status|restart|reload}"
	exit 1
	;;
esac

exit 0