#! /bin/sh
### BEGIN INIT INFO
# Provides: irqbalance 
# Default-Start:  3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop irqbalance daemon 
# Description:  The irqbalance daemon will distribute interrupts across
#		the cpus on a multiprocessor system with the purpose of
#		spreading the load
### END INIT INFO
# chkconfig: 2345 13 87


# This is an interactive program, we need the current locale

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

# Check that we're a priviledged user
[ `id -u` = 0 ] || exit 0


prog="irqbalance"

[ -f /usr/sbin/irqbalance ] || exit 0

# fetch configuration if it exists
# ONESHOT=yes says to wait for a minute, then look at the interrupt
# load and balance it once; after balancing exit and do not change
# it again.
# The default is to keep rebalancing once every 10 seconds.
ONESHOT=
[ -f /etc/sysconfig/irqbalance ] && . /etc/sysconfig/irqbalance
case "$ONESHOT" in
	y*|Y*|on) ONESHOT=--oneshot ;;
	*) ONESHOT= ;;
esac

RETVAL=0

start() {
        if [ -n "$ONESHOT" -a -f /var/run/irqbalance.pid ]; then
                exit 0
        fi
        echo -n $"Starting $prog: "
	if [ -n "$IRQ_AFFINITY_MASK" ];
	then
		export IRQBALANCE_BANNED_CPUS=$IRQ_AFFINITY_MASK
	fi 	
        daemon irqbalance $ONESHOT 
        RETVAL=$?
        echo
        return $RETVAL
}


stop() {
        echo -n $"Stopping $prog: "
        killproc irqbalance
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/irqbalance
	return $RETVAL
}

restart() {
	stop
	start
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
	status irqbalance
	;;
  restart|reload)
	restart
	;;
  condrestart)
	[ -f /var/lock/subsys/irqbalance ] && restart || :
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|reload|condrestart}"
	exit 1
	;;
esac

exit $?