3 # shutdown Common script for system halt/reboot.
5 # Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
9 PATH=/sbin:/bin:/usr/bin:/usr/sbin
16 . /etc/rc.d/init.d/functions
18 # avoid keyboard interruption
19 trap "echo" INT SEGV QUIT TERM
25 [ "${BASH+bash}" = bash ] && enable kill
30 # Stop blogd before umounting /var
31 if [ -x /sbin/blogd ]; then
32 killall -q -QUIT blogd
35 if [ -e /dev/rtc -o -e /dev/rtc0 ]; then
36 run_cmd "$(nls 'Syncing hardware clock to system time')" hwclock --systohc
39 # check for other processes.
40 # there could be none if all services were terminated properly
41 # pgrep -g 0 requires procps >= 3.2.6-1.1
42 # XXX: pgrep is on /usr!
43 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
44 if [ -n "$pids" ] || [ ! -x /usr/bin/pgrep ]; then
45 run_cmd "Sending all processes the TERM signal" killall5 -15
48 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
49 if [ -n "$pids" ] || [ ! -x /usr/bin/pgrep ]; then
51 run_cmd "Sending all processes the KILL signal" killall5 -9
54 # Write to wtmp file before unmounting /var
57 if ! is_yes "$VSERVER"; then
58 # Turn off swap, then unmount file systems.
59 run_cmd "Turning off swap" swapoff -a
61 [ -x /etc/rc.d/rc.acct ] && /etc/rc.d/rc.acct stop
63 if [ -x /sbin/quotaoff ]; then
64 run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
67 # grab kexec_loaded state before we umount /sys
68 kexec_loaded=`cat /sys/kernel/kexec_loaded 2>/dev/null`
70 # Unmount file systems, killing processes if we have to.
74 if [ -z "$UMOUNT_IGNORE" ]; then
77 UMOUNT_IGNORE="/ $UMOUNT_IGNORE"
79 remaining=$(awk -v ig="^($UMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
80 $3 !~ /^(proc|loopfs|devpts|devtmpfs|shm|iso9660|ramfs|tmpfs|sysfs|securityfs|squashfs)$/ \
81 && $1 !~ /^(none|\/dev\/root)$/ \
82 && $2 !~ ig {print $2}' /proc/mounts)
83 while [ -n "$remaining" -a "$retry" -gt 0 ]; do
84 show "Unmounting file systems"; busy
85 ERRORS=$(umount -a $force -t noproc 2>&1); rc=$?
87 # we might had unmounted /usr, recheck $TPUT availability
88 # but well. we need tput only for show() and busy() (ok() and fail() messages are already cached)
89 # TODO: look ahead the messages?
90 if is_yes "$TPUT"; then
99 [ -n "$ERRORS" ] && echo "$ERRORS"
103 remaining=$(awk -v ig="^($UMOUNT_IGNORE)$" 'BEGIN { gsub(/[\t ]+/, "|", ig); } \
104 $3 !~ /^(proc|loopfs|devpts|devtmpfs|shm|iso9660|ramfs|tmpfs|sysfs|securityfs|squashfs)$/ \
105 && $1 !~ /^(none|\/dev\/root)$/ \
106 && $2 !~ ig {print $2}' /proc/mounts)
107 [ -z "$remaining" ] && break
108 fuser -k -m $sig $remaining > /dev/null
115 run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /
117 if [ -x /sbin/vgchange ]; then
118 lvmversion=$(LC_ALL=C /sbin/vgchange --version 2>/dev/null | awk '/LVM version:/{if ($3 >= 2) print "2"}')
119 if [ "$lvmversion" = "2" ]; then
120 lvmsysinit="--sysinit"
124 /sbin/vgchange -a n $lvmsysinit > /dev/null 2>&1
127 if [ -x /sbin/mdadm -a -f /etc/mdadm.conf ]; then
128 if grep -qE "^([[:blank:]]|)ARRAY[[:blank:]]" /etc/mdadm.conf 2>/dev/null; then
129 /sbin/mdadm --stop --scan > /dev/null 2>&1
134 show "Remounting remaining filesystems ro mode"; busy
135 if mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | while read line; do mount -n -o ro,remount $line; done; then
142 _rebootwhat="vserver"
145 if [ -f /etc/crypttab ] && ! is_empty_file /etc/crypttab; then
146 . /etc/rc.d/init.d/cryptsetup
148 show "Stopping disk encryption"
149 halt_crypto && ok || fail
152 if [ "$runlevel" = "0" ] ; then
153 show "The $_rebootwhat is halted"; ok
154 if [ -f /fastboot ]; then
155 show "On the next boot fsck will be skipped."; ok
158 if [ -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
160 if is_yes "$POWEROFF_UPS"; then
161 if [ -d /etc/ups.d ]; then
162 for i in /etc/ups.d/*.sh; do
163 [ ! -f $i -o ! -x $i ] && continue
167 [ -x /sbin/poweroff-ups ] && /sbin/poweroff-ups
170 [ "$previous" != "unknown" ] && halt -d -p -f
172 show "Please stand by while rebooting the $_rebootwhat"; ok
173 if [ -f /fastboot ]; then
174 show "On the next boot fsck will be skipped."; ok
177 if [ -x /sbin/kexec ] && [ "$kexec_loaded" = "1" ]; then
178 show "Will now restart with kexec"
183 [ "$previous" != "unknown" ] && reboot -d -f