#!/bin/sh
#
# run X

case "$1" in
	-k)
		touch /tmp/x_stop
		killall X
		exit $?
		;;
	-r)
		killall X
		exit $?
		;;
	-n)
		touch /tmp/x_stop
		norestart=1
		;;
	-*)
		echo "Usage $0 {-k | -r | -q}"
		echo "      -k   kill X"
		echo "      -r   restart X"
		echo "      -n   no restart if an error occur"
		exit 1
		;;
esac

if [ "$norestart" != "1" ]; then
	rm -f /tmp/x_stop
fi

# accept only one instance
ps | grep runx | grep -v grep | grep -q -v $$ && exit

while (true) do
	if [ -e /tmp/x_stop ]; then 
		rm -f /tmp/x_stop
		break
	fi

	# schnelle wiederholte Neustarts verzögern
	if [ 0$starttime -gt $(( `date +%s` - 15 )) ]; then
		sleep 10 "#delaying x restart"
	fi
	starttime=`date +%s`
	
	startx >>/var/log/x 2>&1

	echo -n "x exits at "; date
done