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#!/bin/bash
#
# /etc/rc.shutdown
#
. /etc/rc.conf
. /etc/rc.d/functions
# avoid staircase effect
stty onlcr
echo " "
printhl "Initiating Shutdown..."
echo " "
run_hook shutdown_start
[[ -x /etc/rc.local.shutdown ]] && /etc/rc.local.shutdown
stop_all_daemons
stat_busy "Saving Random Seed"
RANDOM_SEED=/var/lib/misc/random-seed
install -TDm 0600 /dev/null $RANDOM_SEED
POOL_FILE=/proc/sys/kernel/random/poolsize
if [[ -r $POOL_FILE ]]; then
read POOL_SIZE < $POOL_FILE
(( POOL_SIZE /= 8 ))
else
POOL_SIZE=512
fi
dd if=/dev/urandom of=$RANDOM_SEED count=1 bs=$POOL_SIZE &>/dev/null
stat_done
[[ $TIMEZONE ]] && status "Configuring Time Zone" set_timezone "$TIMEZONE"
# Write to wtmp file before unmounting
halt -w
# stop monitoring of lvm2 groups before unmounting filesystems
[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) ]] &&
status "Deactivating monitoring of LVM2 groups" vgchange --monitor n
# any future uevents can and should be ignored
status "Shutting down UDev" udevadm control --exit
run_hook shutdown_prekillall
kill_all
run_hook shutdown_postkillall
run_hook shutdown_preumount
# unmount any non-api partitions that are backed by swap, we don't want to
# move their contents into memory (waste of time and might caues OOM).
status "Unmounting Swap-backed Filesystems" umount_all "tmpfs"
# almost everything is dead now, so the swap should hopefully be relatively
# empty, and quick to switch off
status "Deactivating Swap" swapoff -a
status "Unmounting Non-API Filesystems" umount_all
run_hook shutdown_postumount
# Kill non-root encrypted partition mappings
if [[ -f /etc/crypttab && $CS ]] && grep -q ^[^#] /etc/crypttab; then
stat_busy "Deactivating encrypted volumes:"
# Maybe someone has LVM on an encrypted block device
# executing an extra vgchange is errorless
[[ $USELVM = [Yy][Ee][Ss] ]] && vgchange --sysinit -a n &>/dev/null
do_lock() {
stat_append "${1}.."
if $CS remove "$1" &>/dev/null; then
stat_append "ok "
else
stat_append "failed "
fi
}
read_crypttab do_lock
stat_done
fi
[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) && -d /sys/block ]] &&
status "Deactivating LVM2 groups" vgchange --sysinit -a n &>/dev/null
run_hook shutdown_poweroff
if [[ -x /run/initramfs/shutdown ]]; then
# decide what we want to do
if [[ $RUNLEVEL = 0 ]]; then
action="poweroff"
else
action="reboot"
fi
# make /run/initrafs a mount
mount --bind /run/initramfs /run/initramfs
# in case someone has shared our mountpoints, unshare them
mount --make-private /run/initramfs
mount --make-private /
# bind all api mounts
mkdir -p /run/initramfs/{sys,proc,dev,run,oldroot}
mount --bind /sys /run/initramfs/sys
mount --bind /proc /run/initramfs/proc
mount --bind /dev /run/initramfs/dev
mount --bind /run /run/initramfs/run
# enter shutdownramfs
cd /run/initramfs
pivot_root . oldroot
#reexec init
/oldroot/sbin/init u
# run /shutdown in the new root
exec chroot . /shutdown $action </dev/console >/dev/console 2>&1
else
status "Remounting Root Filesystem Read-only" \
mount -o remount,ro /
# Power off or reboot
printsep
if [[ $RUNLEVEL = 0 ]]; then
printhl "${C_H2}POWER OFF"
poweroff -d -f -h -i
else
printhl "${C_H2}REBOOTING"
# if kexec is installed and a kernel is loaded, use it
[[ -x $(type -P kexec) ]] && kexec -e &>/dev/null
reboot -d -f -i
fi
fi
# End of file
# vim: set ts=2 sw=2 noet: