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File boot.xen of Package xen.19912

#! /bin/sh
# Copyright (c) 2005-2006 SUSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# /etc/init.d/boot.xen
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
#
### BEGIN INIT INFO
# Provides:          Xen
# Required-Start:    boot.localfs
# Should-Start:      boot.localnet
# Required-Stop:     boot.localfs
# Should-Stop: 
# Default-Start:     B
# Default-Stop:
# Short-Description: Switch on and off TLS depending on whether Xen is running
# Description:       Xen gets a major performance hit by the way
#	recent glibc (& gcc) set up the TLS offset, as it needs to
#	play segmentation tricks. This can be avoided by moving away
#	the tls libs.
### END INIT INFO

. /etc/rc.status

# Reset status of this service
rc_reset

case "$1" in
    start)
	echo -n "Starting Xen setup "
	if test -d /proc/xen; then
		export LD_ASSUME_KERNEL=2.4.21
		echo -n "Xen running "
	fi
	if test -d /proc/xen -a -d /lib/tls; then
		echo -n "move /lib/tls away "
		mv /lib/tls /lib/tls.save
	elif test ! -d /proc/xen -a -d /lib/tls.save; then
		echo -n "move back /lib/tls "
		mv /lib/tls.save /lib/tls
	fi
	rc_status -v
	;;
    stop)
	# rc_status -v
	;;
    try-restart|condrestart)
	$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)
	$0 try-restart
	rc_status
	;;
    reload)
	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for Xen "
	# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)

if test -d /proc/xen; then
		if test -d /lib/tls; then
			echo -n "Xen running, /lib/tls existing "
			rc_failed 1
		else
			echo -n "Xen running, /lib/tls not existing "	
		fi
	else
		if test -d /lib/tls.save; then
			echo -n "Xen not running, /lib/tls existing "
			rc_failed 2
		else	
			echo -n "Xen not running, /lib/tls not existing "
			rc_failed 3
		fi
	fi
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit

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