openrc/init.d/halt.sh

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#!/bin/sh
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
. /etc/init.d/functions.sh
. "${RC_LIBDIR}"/sh/rc-functions.sh
# Support LiveCD foo
if [ -r /sbin/livecd-functions.sh ] ; then
. /sbin/livecd-functions.sh
livecd_read_commandline
fi
stop_addon devfs
stop_addon udev
# Really kill things off before unmounting
if [ -x /sbin/killall5 ] ; then
killall5 -15
killall5 -9
fi
# Flush all pending disk writes now
sync ; sync
# If we are in a VPS, we don't need anything below here, because
# 1) we don't need (and by default can't) umount anything (VServer) or
# 2) the host utils take care of all umounting stuff (OpenVZ)
if [ "${RC_SYS}" = "VPS" ] ; then
if [ -e /etc/init.d/"$1".sh ] ; then
. /etc/init.d/"$1".sh
else
exit 0
fi
fi
# If $svcdir is still mounted, preserve it if we can
if mountinfo "${RC_SVCDIR}" >/dev/null && [ -w "${RC_LIBDIR}" ] ; then
f_opts="-m -c"
[ "${RC_UNAME}" = "Linux" ] && f_opts="-c"
if [ -n "$(fuser ${f_opts} "${svcdir}" 2>/dev/null)" ] ; then
fuser -k ${f_opts} "${svcdir}" 1>/dev/null 2>/dev/null
sleep 2
fi
cp -p "${RC_SVCDIR}"/deptree "${RC_SVCDIR}"/softlevel \
"${RC_SVCDIR}"/nettree "${RC_LIBDIR}" 2>/dev/null
umount "${RC_SVCDIR}"
rm -rf "${RC_SVCDIR}"/*
# Pipe errors to /dev/null as we may have future timestamps
cp -p "${RC_LIBDIR}"/deptree "${RC_LIBDIR}"/softlevel \
"${RC_LIBDIR}"/nettree "${RC_SVCDIR}" 2>/dev/null
rm -f "${RC_LIBDIR}"/deptree "${RC_LIBDIR}"/softlevel \
"${RC_LIBDIR}"/nettree
# Release the memory disk if we used it
case "${mnt}" in
"/dev/md"[0-9]*) mdconfig -d -u "${mnt#/dev/md*}" ;;
esac
fi
unmounted=0
# Remount the remaining filesystems read-only
# Most BSD's don't need this as the kernel handles it nicely
if [ "${RC_UNAME}" = "Linux" ] ; then
ebegin "Remounting remaining filesystems read-only"
# We need the do_unmount function
. "${RC_LIBDIR}"/sh/rc-mount.sh
eindent
fs=
for x in ${RC_NET_FS_LIST} ; do
fs="${fs}${fs:+|}${x}"
done
[ -n "${fs}" ] && fs="^(${fs})$"
do_unmount "mount -n -o remount,ro" "^(/dev|/dev/pts|/dev/shm|/proc|/proc/.*|/sys)$" "" "" "${fs}"
eoutdent
eend $?
unmounted=$?
fi
# This UPS code should be moved to out of here and to an addon
if [ -f /etc/killpower ] ; then
UPS_CTL=/sbin/upsdrvctl
UPS_POWERDOWN="${UPS_CTL} shutdown"
elif [ -f /etc/apcupsd/powerfail ] ; then
UPS_CTL=/etc/apcupsd/apccontrol
UPS_POWERDOWN="${UPS_CTL} killpower"
fi
if [ -x "${UPS_CTL}" ] ; then
ewarn "Signalling ups driver(s) to kill the load!"
${UPS_POWERDOWN}
ewarn "Halt system and wait for the UPS to kill our power"
halt -id
sleep 60
fi
if [ ${unmounted} -ne 0 ] ; then
[ -x /sbin/sulogin ] && sulogin -t 10 /dev/console
exit 1
fi
# Load the final script - not needed on BSD so they should not exist
[ -e /etc/init.d/"$1".sh ] && . /etc/init.d/"$1".sh
# Always exit 0 here
exit 0
# vim: set ts=4 :