#!/bin/sh
# 
# Startup script for mcelog
# 
### BEGIN INIT INFO
# Provides:		mcelog 
# Default-Start:	3 5
# Default-Stop:		0 1 2 6
# Short-Description:	mcelog hardware error logging
# Description:          Start the mcelog hardware error logging. 
#                       This logs and handles CPU hardware errors on x86 systems.
### END INIT INFO

# mcelog mode
# valid values: daemon, trigger, cron
# Recommended value daemon
MCELOG_MODE=daemon

# additional options to pass to the daemon
# this only works in daemon mode
# see the manpage for details. settings can be also
# set in /etc/mcelog.conf
MCELOG_OPTIONS=""

# private settings
MCELOG=${MCELOG:-/usr/sbin/mcelog}
TRIGGER=/sys/devices/system/machinecheck/machinecheck0/trigger
[ ! -x $MCELOG ] && ( echo "mcelog not found" ; exit 1 )
[ ! -r /dev/mcelog ] && ( echo "/dev/mcelog not active" ; exit 0 )

case "$MCELOG_MODE" in
daemon)
	;;
trigger)
	;;
cron)
	echo "mcelog not started"
	exit 0
	;;
*)
	echo "Unknown mcelog mode $MCELOG_MODE. Valid daemon/trigger/cron"
	exit 1
esac

case "$1" in
start)
	if [ "$MCELOG_MODE" = "daemon" ] ; then
		echo "Starting mcelog daemon:  $MCELOG --daemon $MCELOG_OPTIONS"
		$MCELOG --daemon $MCELOG_OPTIONS
	elif [ -f "$TRIGGER" ] ; then
		echo $MCELOG > "$TRIGGER"
	else
		echo No machine check capability
	fi
	;;
stop)
	if [ "$MCELOG_MODE" = "daemon" ] ; then
		echo "Stopping mcelog daemon:  killall -TERM $MCELOG"
		killall -TERM $MCELOG
	elif [ "$MCELOG_MODE" = "trigger" -a -f "$TRIGGER" ]; then 
		echo "" > "$TRIGGER"
	else
		echo mcelog not running
	fi
	;;
try-restart)
	$0 status > /dev/null && $0 restart
	;;
restart)
	$0 stop
	$0 start
	;;
reload)
	$0 try-restart
	;;
force-reload)
	$0 try-restart
	;;
status)
	if [ "$MCELOG_MODE" = "daemon" ] ; then
		echo "Checking for mcelog:"
		ps ax | grep $MCELOG | cut -f 1 -d ' '
	fi
	;;
*)
	echo "Usage: $0 {start|stop|try-restart|restart|status|force-reload|reload}"
	exit 1
esac