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#! /bin/sh
#
# rc.6		This file is executed by init when it goes into runlevel
#		0 (halt) or runlevel 6 (reboot). It kills all processes,
#		unmounts file systems and then either halts or reboots.
#
# Version:	@(#)/etc/rc.d/rc.6	2.47 Sat Jan 13 13:37:26 PST 2001
#
# Author:	Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
# Modified by:  Patrick J. Volkerding, <volkerdi@slackware.com>
#

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

# If there are SystemV init scripts for this runlevel, run them.
if [ -x /etc/rc.d/rc.sysvinit ]; then
  . /etc/rc.d/rc.sysvinit
fi

# Set linefeed mode to avoid staircase effect.
stty onlcr

echo "Running shutdown script $0:"

# Find out how we were called.
case "$0" in
	*0)
		command="halt"
		;;
	*6)
		command=reboot
		;;
	*)
		echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
		exit 1
		;;
esac

# Stop the Apache web server:
if [ -x /etc/rc.d/rc.httpd ]; then
  /etc/rc.d/rc.httpd stop
fi

# Stop the MySQL database:
if [ -r /var/run/mysql/mysql.pid ]; then
  . /etc/rc.d/rc.mysqld stop
fi

# Stop the Samba server:
if [ -x /etc/rc.d/rc.samba ]; then
  . /etc/rc.d/rc.samba stop
fi

# Try to kill dhcpcd so the DHCP leases can be returned:
killall -15 dhcpcd 1> /dev/null 2> /dev/null

# Try to shut down pppd:
PS="$(ps ax)"
if echo "$PS" | grep -q -w pppd ; then
  if [ -x /usr/sbin/ppp-off ]; then
    /usr/sbin/ppp-off
  fi
fi

# Turn off process accounting:
if [ -x /sbin/accton -a -r /var/log/pacct ]; then
  echo "Turning off process accounting."
  /sbin/accton
fi

# Kill all processes.
# INIT is supposed to handle this entirely now, but this didn't always
# work correctly without this second pass at killing off the processes.
# Since INIT already notified the user that processes were being killed,
# we'll avoid echoing this info this time around.
if [ "$1" != "fast" ]; then # shutdown did not already kill all processes
  killall5 -15 
  sleep 5
  killall5 -9
fi

# Carry a random seed between reboots.
echo "Saving random seed from /dev/urandom in /etc/random-seed."
# Use the pool size from /proc, or 512 bytes:
if [ -r /proc/sys/kernel/random/poolsize ]; then
  dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(cat /proc/sys/kernel/random/poolsize) 2> /dev/null
else
  dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2> /dev/null
fi
chmod 600 /etc/random-seed

# Before unmounting file systems write a reboot or halt record to wtmp.
$command -w

# Clear /var/lock/subsys.
if [ -d /var/lock/subsys ]; then
  rm -f /var/lock/subsys/*
fi

# This never hurts:
sync

# sleep 1 fixes problems with some hard drives that don't
# otherwise finish syncing before reboot or poweroff
sleep 1

# This is to ensure all processes have completed on SMP machines:
wait