File rc.rtasdispd of Package rtasdispd

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File rc.rtasdispd of Package rtasdispd

#! /bin/sh
# Copyright (c) 2002 SuSE GmbH Nuernberg, Germany.
#
# Author: Roman Hodek <rnhodek@suse.de>, 2002
#
# /etc/init.d/rtasdispd
#   and its symbolic link
# /usr/sbin/rcrtasdispd
#
# System startup script for pSeries front panel display (rtasdispd)
#
### BEGIN INIT INFO
# Provides:       rtasdispd
# Required-Start: 
# Should-Start:   $remote_fs
# Required-Stop:  
# Default-Start:  2 3 5
# Default-Stop:   0 1 6
# Description:    Start pSeries display daemon
### END INIT INFO

DAEMON="rtas display daemon"
DAEMON_BIN=/usr/sbin/rtasdispd
DAEMON_CONF=/etc/sysconfig/rtasdispd
DAEMON_PIDFILE=/var/run/rtasdispd.pid
DAEMON_PROCFILE=/proc/device-tree/rtas/set-indicator
DAEMON_PROGRESS=/proc/rtas/progress
STARTPROC_LOGFILE=

# source our configuration
test -f $DAEMON_CONF || exit 6

test -x $DAEMON_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_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status
. $DAEMON_CONF
RTASDISPD_OPTIONS=""
if [ -n "$RTASDISPD_DISPLAYS" ]; then
	RTASDISPD_OPTIONS="-d $RTASDISPD_DISPLAYS"
fi
if [ -n "$RTASDISPD_UPDATE" ]; then
	RTASDISPD_OPTIONS="$RTASDISPD_OPTIONS -u $RTASDISPD_UPDATE"
fi
if [ -n "$RTASDISPD_TITLE" ]; then
	RTASDISPD_OPTIONS="$RTASDISPD_OPTIONS -t "'"'$RTASDISPD_TITLE'"'
fi

# First reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is 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 $DAEMON"
	if [ ! -e $DAEMON_PROCFILE -o ! -e $DAEMON_PROGRESS ]; then
		rc_status -s
		exit 3
	fi
	eval $DAEMON_BIN "$RTASDISPD_OPTIONS"
	# Remember status and be verbose
	rc_status -v
	;;

stop)
	echo -n "Shutting down $DAEMON"
	killproc -p $DAEMON_PIDFILE $DAEMON_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.
	$0 stop  &&  $0 start
	rc_status 
	;;

reload)
	## Like force-reload, but if daemon does not support
	## signalling, do nothing (!)
	rc_failed 3
	rc_status -v
	;;

status)
	echo -n "Checking for $DAEMON: "
	## 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
	# NOTE: checkproc returns LSB compliant status values.
	checkproc -p $DAEMON_PIDFILE $DAEMON_BIN
	rc_status -v
	;;

probe)
	## Optional: Probe for the necessity of a reload,
	## give out the argument which is required for a reload.
	if [ "$DAEMON_CONF" -nt "$DAEMON_PIDFILE" ]; then 
		echo restart
	fi
	;;

*)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit

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