#!/bin/sh

cd /

. /etc/rc.conf
. /etc/rc.d/functions.rc

kill_all_wait() {
	# Send SIGTERM then SIGKILL to all processes
       	# loop until killall5 reports all done, or timeout
	# killall5 does not support the 0 signal, so we use SIGCONT for
	# checking (which should be ignored)

	local i

	killall5 -$1

	for i in $(seq 1 $2); do
		sleep .25
		# check via SIGCONT
		killall5 -18
		test $? -eq 2 && return 0
	done

	return 1
}

kill_all() {
	status_begin "Sending SIGTERM to processes"
	kill_all_wait 15 40
	status_check
	if [ $? != 0 ]; then
		status_begin "Sending SIGKILL to processes"
		kill_all_wait 9 60
		status_check
	fi
}

test -x /etc/rc.local.shutdown && /etc/rc.local.shutdown

reverse() {
        local rev
        for i in "$@"; do
                rev="$i $rev"
        done;
        printf '%s\n' "$rev"
}

STOPDAEMONS=$(reverse $DAEMONS)

for D in $STOPDAEMONS; do
	/etc/rc.d/$D stop
done

# write to wtmp
halt -w

if is_true "$USELVM" && [ -x /sbin/vgchange ]; then
	status_begin "Deactivating monitoring of LVM2 groups"
       	/sbin/vgchange --monitor n
	status_check
fi

if [ -x /sbin/udevadm ] && is_true "$USE_UDEV" ; then
	status_begin "Shutting down udev"
	/sbin/udevadm control --exit
	status_check
fi

kill_all

status_begin "Unmounting swap-backed filesystems"
umount -a -t tmpfs
status_check

status_begin "Deactivating swap"
swapoff -a
status_check

status_begin "Unmounting non-API filesystems"
umount -a -t nodevtmpfs
status_check

status_begin "Remounting root filesystem read-only"
mount -o remount,ro /
status_check

sleep 3

if [ $RUNLEVEL -eq 0 ]; then
	poweroff -d -f -h -i
else
	reboot -d -f -i
fi