File pbbuttonsd.init of Package pbbuttonsd

#! /bin/sh
# Copyright (c) 2007 SuSE Linux Products GmbH, Nuernberg, Germany.
#
# Author: Andreas Schwab
# Please submit bugfixes or comments via http://bugs.opensuse.org/
#
# /etc/init.d/pbbuttonsd
#
#   and symbolic its link
#
# /usr/sbin/rcpbbuttonsd
#
# System startup script for the pbbuttonsd daemon
#
### BEGIN INIT INFO
# Provides: pbbuttonsd
# Required-Start: $syslog
# Required-Stop:  $syslog
# Should-Start:   alsasound
# X-UnitedLinux-Default-Enabled: yes
# Default-Start:  2 3 5
# Default-Stop:   0 1 6
# Short-Description: Daemon for special PowerBook buttons
# Description:    Start pbbuttonsd to handle the special PowerBook buttons
### END INIT INFO

PBBUTTONSD_BIN=/usr/bin/pbbuttonsd
test -x $PBBUTTONSD_BIN || exit 5

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - misc error
# 2 - invalid or excess args
# 3 - unimplemented feature (e.g. reload)
# 4 - insufficient privilege
# 5 - program not installed
# 6 - program not configured
# 7 - program is not running
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting pbbuttonsd"
	## Start daemon with startproc(8). If this fails
	## the echo return value is set appropriate.

	# startproc should return 0, even if service is 
	# already running to match LSB spec.
	startproc $PBBUTTONSD_BIN -d

	# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down pbbuttonsd"
	## Stop daemon with killproc(8) and if this fails
	## set echo the echo return value.

	killproc -TERM $PBBUTTONSD_BIN

	# Remember status and be verbose
	rc_status -v
	;;
    try-restart)
	## Stop the service and if this succeeds (i.e. the 
	## service was running before), start it again.
	$0 stop  &&  $0 start

	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

	# Remember status and be quiet
	rc_status
	;;
    force-reload)
	## Signal the daemon to reload its config. Most daemons
	## do this on signal 1 (SIGHUP).
	## If it does not support it, restart.

	echo -n "Reload service pbbuttonsd"
	## if it supports it:
	killproc -HUP $PBBUTTONSD_BIN
	#touch /var/run/pbbuttonsd.pid
	rc_status -v

	## Otherwise:
	#$0 stop  &&  $0 start
	#rc_status

	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signalling, do nothing (!)

	# If it supports signalling:
	echo -n "Reload service pbbuttonsd"
	killproc -HUP $PBBUTTONSD_BIN
	#touch /var/run/pbbuttonsd.pid
	rc_status -v
	
	# If it does not support reload:
	#exit 3
	;;
    status)
	echo -n "Checking for pbbuttonsd: "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

	# Status has a slightly different for the status command:
	# 0 - service running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running

	# If checkproc would return LSB compliant ret values,
	# things could be a little bit easier here. This will 
	# probably soon be the case ...
	checkproc $PBBUTTONSD_BIN; rc=$?
	if test $rc = 0; then echo "OK"
	else echo "No process" 
		if test -e /var/run/pbbuttonsd.pid;
		then exit 1
		else exit 3
		fi
	fi
	#rc_status
	;;
    probe)
	## Optional: Probe for the necessity of a reload,
	## give out the argument which is required for a reload.

	test /etc/pbbuttonsd.conf -nt /var/run/pbbuttonsd.pid && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit