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Filename : S01irqbalance
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#!/bin/sh
### BEGIN INIT INFO
# Provides:          irqbalance
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: daemon to balance interrupts for SMP systems
### END INIT INFO
# irqbalance init script
# August 2003
# Eric Dorland

# Based on spamassassin init script

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/irqbalance
NAME=irqbalance
SNAME=irqbalance
DESC="SMP IRQ Balancer"
PIDFILE="/run/$NAME.pid"
PNAME="irqbalance"
DOPTIONS=""

# Defaults - don't touch, edit /etc/default/
OPTIONS=""

test -x $DAEMON || exit 0

. /lib/lsb/init-functions

test -f /etc/default/irqbalance && . /etc/default/irqbalance

# Beware: irqbalance tries to read and handle environment variables
# directly itself, but since start-stop-daemon clears the env
# we convert the variables to commandline arguments here...
# (Note: in the daemon an option is enabled even if its set to
#  e.g. the empty string or 0 or whatever. To disable it should not
#  be exported at all!)
# Warning: this will need to be maintained and updated on upgrades
#          to new upstream release which might introduce new ones!
if [ ! -z ${IRQBALANCE_ONESHOT+x} ]; then
    DOPTIONS="--oneshot"
fi
if [ ! -z ${IRQBALANCE_ARGS+x} ]; then
	OPTIONS="$OPTIONS $IRQBALANCE_ARGS"
fi

case "$1" in
    start)
        log_begin_msg "Starting $DESC: $NAME"

        pid=$( pidofproc -p $PIDFILE $DAEMON )
        if [ -n "$pid" ] ; then
            log_begin_msg ". Already running"
            log_end_msg 0
            exit 0
        fi

        mkdir -p /run/irqbalance
        start-stop-daemon --start --quiet --oknodo --exec $DAEMON -- --pid=$PIDFILE $OPTIONS $DOPTIONS

        log_end_msg $?
        ;;
    stop)
        log_begin_msg "Stopping $DESC: $NAME"

        start-stop-daemon --stop --quiet --oknodo --exec $DAEMON
        rm -f $PIDFILE

        log_end_msg $?
        ;;
    restart|force-reload)
        log_begin_msg "Restarting $DESC: $NAME"

        start-stop-daemon --stop --retry 5 --quiet --oknodo --exec $DAEMON
        rm -f $PIDFILE

        mkdir -p /run/irqbalance
        start-stop-daemon --start --quiet --oknodo --exec $DAEMON -- --pid=$PIDFILE $OPTIONS $DOPTIONS

        log_end_msg $?
        ;;
    status)
        if [ -z "${IRQBALANCE_ONESHOT+x}" ]; then
            status_of_proc $DAEMON $NAME
        else
            echo "Irqbalance setup to run in oneshot mode."
        fi
        ;;
    *)
        N=/etc/init.d/$SNAME
        echo "Usage: $N {start|stop|restart|force-reload}" >&2
        exit 1
        ;;
esac

exit 0