openrc/init.d/halt.sh

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#!/bin/sh
# Copyright 1999-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
. /etc/init.d/functions.sh
. "${RC_LIBDIR}"/sh/rc-functions.sh
[ -r /etc/rc.conf ] && . /etc/rc.conf
# Support LiveCD foo
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if [ -r /sbin/livecd-functions.sh ]; then
. /sbin/livecd-functions.sh
livecd_read_commandline
fi
stop_addon devfs
stop_addon udev
# Really kill things off before unmounting
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if [ -x /sbin/killall5 ]; then
killall5 -15
killall5 -9
fi
# Flush all pending disk writes now
sync; sync
# If we are in a VPS, we don't need anything below here, because
# 1) we don't need (and by default can't) umount anything (VServer) or
# 2) the host utils take care of all umounting stuff (OpenVZ)
if [ "${RC_SYS}" = "VPS" ]; then
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if [ -e /etc/init.d/"$1".sh ]; then
. /etc/init.d/"$1".sh
else
exit 0
fi
fi
# If $svcdir is still mounted, preserve it if we can
mnt=$(mountinfo --node "${RC_SVCDIR}")
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if [ -n "${mnt}" -a -w "${RC_LIBDIR}" ]; then
f_opts="-m -c"
[ "${RC_UNAME}" = "Linux" ] && f_opts="-c"
if type fuser >/dev/null 2>&1; then
if [ -n "$(fuser ${f_opts} "${svcdir}" 2>/dev/null)" ]; then
fuser -k ${f_opts} "${svcdir}" >/dev/null 2>&1
sleep 2
fi
fi
cp -p "${RC_SVCDIR}"/deptree "${RC_SVCDIR}"/depconfig \
"${RC_SVCDIR}"/softlevel "${RC_SVCDIR}"/nettree \
"${RC_SVCDIR}"/rc.log \
"${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}"/depconfig \
"${RC_LIBDIR}"/softlevel "${RC_LIBDIR}"/nettree \
"${RC_LIBDIR}"/rc.log \
"${RC_SVCDIR}" 2>/dev/null
rm -f "${RC_LIBDIR}"/deptree "${RC_LIBDIR}"/depconfig \
"${RC_LIBDIR}"/softlevel "${RC_LIBDIR}"/nettree \
"${RC_LIBDIR}"/rc.log
# Release the memory disk if we used it
case "${mnt}" in
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"/dev/md"[0-9]*) mdconfig -d -u "${mnt#/dev/md*}";;
esac
fi
unmounted=0
# Remount the remaining filesystems read-only
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# Most BSD's don't need this as the kernel handles it nicely
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if [ "${RC_UNAME}" = "Linux" ]; then
ebegin "Remounting remaining filesystems read-only"
# We need the do_unmount function
. "${RC_LIBDIR}"/sh/rc-mount.sh
eindent
fs=
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for x in ${net_fs_list}; do
fs="${fs}${fs:+|}${x}"
done
[ -n "${fs}" ] && fs="^(${fs})$"
do_unmount "mount -n -o remount,ro" \
--skip-point-regex "^(/dev|/dev/.*|/proc|/proc/.*|/sys|/sys/.*)$" \
${fs:+--skip-fstype-regex} ${fs} --nonetdev
eoutdent
eend $?
unmounted=$?
fi
# This UPS code should be moved to out of here and to an addon
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if [ -f /etc/killpower ]; then
UPS_CTL=/sbin/upsdrvctl
UPS_POWERDOWN="${UPS_CTL} shutdown"
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elif [ -f /etc/apcupsd/powerfail ]; then
UPS_CTL=/etc/apcupsd/apccontrol
UPS_POWERDOWN="${UPS_CTL} killpower"
fi
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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
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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 :