#!/bin/sh
#
# shutdwn       Common script for system halt/reboot.
#
# Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
# Changes:	Grzegorz Stanislawski <stangrze@open.net.pl>
#		Arkadiusz Mi¶kiewicz <misiek@pld-linux.org>
#
# $Id$

# Set the path.
PATH=/sbin:/bin:/usr/bin:/usr/sbin

# move to root dir
cd /

. /etc/rc.d/init.d/functions

# Kill all processes.
[ "${BASH+bash}" = bash ] && enable kill

runlevel=$1

run_cmd "Sending all processes the TERM signal" killall5 -15
sleep 5
run_cmd "Sending all processes the KILL signal" killall5 -9

# Write to wtmp file before unmounting /var
halt -w

# Turn off swap, then unmount file systems.
run_cmd "Turning off swap and accounting" swapoff -a
[ -x /sbin/accton ] && LC_ALL=C /sbin/accton 2>&1 | grep -v "not implemented"

if [ -x /sbin/quotaoff ]; then
	run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
fi

# Unmount file systems, killing processes if we have to.
sig=-15
retry=3
force=
remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
while [ -n "$remaining" -a "$retry" -gt 0 ]
do	
	show "Unmounting file systems" ; busy
	if ERRORS=$(umount -a $FORCE -t noproc,devfs 2>&1) ; then
		ok
	else
		fail
		[ -n "$ERRORS" ] && echo "$ERRORS"
	fi
	
	sleep 2
	remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | sysfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
	[ -z "$remaining" ] && break
	/sbin/fuser -k -m $sig $remaining > /dev/null
	sleep 5
	retry=$(($retry-1))
	sig=-9
	force="-f"
done

run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /

# turn off raid
if [ -x /sbin/raidstop -a -f /etc/raidtab ]; then
	# we can not use raidstop -a here because this will only stop
	# devices listed in the default config file which is not always
	# the case. So we look only for the active raid devices
	if [ -f /proc/mdstat ] ; then
		mddevs=$(awk '/^md.* active/ {print $1}' /proc/mdstat)
		for mddev in $mddevs ; do
			run_cmd "Turning off RAID for $mddev" raidstop /dev/$mddev
		done
		unset mddev mddevs
	fi
	#runcmd "Turning off RAID" /sbin/raidstop -a
fi

show "Remounting remaining filesystems ro mode"; busy
if ( mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | \
	while read line; do 
	mount -n -o ro,remount $line; done ); then
	ok
else
	fail
fi

if [ "$runlevel" = "0" ] ; then
       	show "The system is halted"; ok
	[ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)

	 if [ -x /sbin/poweroff-ups -a -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
	     . /etc/sysconfig/ups
	     is_yes "$POWEROFF_UPS" && /sbin/poweroff-ups
	 fi
	eval halt -d -p
else
	show "Please stand by while rebooting the system"; ok
	[ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
	eval reboot -d
fi

# This must be last line !
# vi:syntax=sh:tw=78:ts=8:sw=4