File rcfbset of Package fbset

#! /bin/bash
# Copyright (c) 1995-2003 SuSE Linux AG, Nuernberg, Germany.
#
# Author: Kurt Garloff
#
# /etc/init.d/fbset
#
#   and symbolic its link
#
# /usr/sbin/rcfbset
#
# System startup script for the fb modules and fb configuration
#
### BEGIN INIT INFO
# Provides:          fbset
# Required-Start:    $local_fs
# Required-Stop:     $local_fs
# Default-Start:     1 2 3 5
# Default-Stop:      0 6
# Description:       Framebuffer setup
# Short-Description: Framebuffer setup
### END INIT INFO

# Source SuSE config
. /etc/sysconfig/console

# is anything to do?
test -z "$FB_MODULES" -a -z "$FBSET_PARAMS" && exit 0

# check for an already working framebuffer device (for example due to
# a framebuffer driver compiled in kernel)
fbdev_ok=""
if (: < /dev/fb0) 2>/dev/null ; then
  fbdev_ok="1"
fi
# if $FBSET_PARAMS is not empty then $FB_MODULES must be defined or
# framebuffer device must be already working
test -n "$FBSET_PARAMS" && test -z "$fbdev_ok" -a -z "$FB_MODULES" && exit 0

FBSET_BIN=/sbin/fbset
# if $FBSET_PARAMS is not empty then $FBSET_BIN must be installed
test -n "$FBSET_PARAMS" -a ! -x $FBSET_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

# 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 "Framebuffer setup: "
	## Start daemon with startproc(8). If this fails
	## the echo return value is set appropriate.

 	if test ! -z "$FB_MODULES"; then
		# $FB_MODULES needs parsing: It might contain several modules
		# and module parameters. We identify params by the = sign.
		unset mod modpar
		for par in $FB_MODULES; do 
			case $par in
			    *=*) 
				modpar="$modpar $par"
				;;
			    *) 
				if test ! -z "$mod"; then
					echo -n "$mod "
					modprobe $mod $modpar
					rc_status
				fi
				unset modpar
				mod=$par
				;;
			esac
		done
		echo -n "$mod "
		modprobe $mod $modpar
		rc_status
	fi

	if test ! -z "$FBSET_PARAMS"; then
		if test -x $FBSET_BIN; then
			mode=`echo $FBSET_PARAMS | sed -e 's/^-[^ ]*//' -e 's/ -[^ ]*//g'`
			echo -n "$mode "
			$FBSET_BIN $FBSET_PARAMS
			rc_status
		else
			echo -n "fbset not installed "
			rc_failed 5
		fi
	fi

	# Remember status and be verbose
	rc_status -v
	;;
    stop)
	# We don't unload the fb driver modules; this could be risky
	# and will probably fail anyway
	;;
    try-restart)
	## Stop the service and if this succeeds (i.e. the 
	## service was running before), start it again.
	## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
	$0 status >/dev/null &&  $0 restart

	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$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 try-restart
	rc_status
	;;
    reload)
	$0 try-restart
	rc_status
	;;
    status)
	echo -n "Checking for framebuffer setup: "
	## 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 test ! -z "$FB_MODULES"; then
		# $FB_MODULES needs parsing: It might contain several modules
		# and module parameters. We identify params by the = sign.
		for par in $FB_MODULES; do
			case $par in
			    *=*) 
				;;
			    *) 
				if test ! -z "$par"; then
					if test -z "`lsmod | grep $par`";
						then echo -n '!'"$par "
						rc_failed 3
					else
						echo -n "$par "
					fi
				fi
				;;
			esac
		done
	fi
	
	if test -x $FBSET_BIN; then
		mode=`$FBSET_BIN | grep -e "^mode" | sed 's/[^"]*"\([^"]*\)".*/\1/'`
		rc_status
		echo -n "$mode "
	fi
		
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload,
	## give out the argument which is required for a reload.
	test -r /proc/uptime -a -x /bin/date -a ! -z "$FBSET_PARAMS" -a -x $FBSET_BIN || exit 0
	boottm=$[`date -u +%s`-`cat /proc/uptime|sed 's/\([^\.]*\).*/\1/'`]
	test $boottm -lt `date -r /etc/fb.modes -u +%s` -o $boottm -lt `date -r $FBSET_BIN -u +%s` && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit
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