rocklinux/package/base/sysfiles/system.init

#!/bin/sh
#
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# 
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# ROCK Linux: rock-src/package/base/sysfiles/system.init
# ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
# 
# Many people helped and are helping developing ROCK Linux. Please
# have a look at http://www.rocklinux.org/ and the Documentation/TEAM
# file for details.
# 
# --- ROCK-COPYRIGHT-NOTE-END ---
#
# Desc: System bootup and shutdown
# Runlevel: 01 rcX rc1 rc2 rc3 rc4 rc5
#

main_begin
    block_begin(start, `Mounting /proc and /sys.')
	if [ ! -e /proc/self ]; then
		check(`mount -n -t proc proc /proc')
	fi
	if [ ! -e /sys/kernel ]; then
		check(`mount -n -t sysfs sysfs /sys')
	fi
dnl
    block_split(`Setting kernel clock to local time.')
	[ -f /etc/conf/clock ] && . /etc/conf/clock

	if [ "$clock_tz" = localtime ] ; then
		check(`hwclock --hctosys --localtime')
	fi
dnl
    block_split(`Setting enhanced real time clock precision to $clock_rtc.')
	if [ "$clock_rtc" ] ; then
		if [ -w /proc/sys/dev/rtc/max-user-freq ] ; then
			check(`echo $clock_rtc > /proc/sys/dev/rtc/max-user-freq')
		else
			echo "No /proc/sys/dev/rtc/max-user-freq found."
		fi
	fi
dnl
    block_split(`Setting hostname to $(cat /etc/HOSTNAME).')
	check(`hostname "$(cat /etc/HOSTNAME)"')
dnl
    block_split(`Setting up loopback networking.')
	check(`ip link set lo up')
	ip addr add 127.0.0.1/8 dev lo
	ip route add 127/8 dev lo
dnl
    block_split(`Setting overflow UID and GID kernel parameters.')
	check(`sysctl -w kernel.overflowuid=$(grep ^nobody: /etc/passwd | cut -f 3 -d:) > /dev/null')
	check(`sysctl -w kernel.overflowgid=$(grep ^nobody: /etc/passwd | cut -f 4 -d:) > /dev/null')
dnl
    block_split(`Reading /etc/sysctl.conf file.')
	check(`sysctl -p')
    block_end

    block_begin(stop, `Sending all processes a 2nd TERM signal.')
	check(`killall5 -15') ; sleep 5
    block_split(`Sending all processes a KILL signal.')
	check(`killall5 -9') ; sleep 5
dnl
    block_split()
	command=""
	[ "$RUNLEVEL" = 0 ] && command=halt
	[ "$RUNLEVEL" = 6 ] && command=reboot
	if [ -n "$command" ] ; then
		echo "Going to $command the system ..."
		$command -d -f -i -p
		while true ; do sleep 1 ; done
	fi
    block_end
main_end