rc.d/rc.shutdown

   1 #!/bin/sh
   2 #
   3 # shutdwn       Common script for system halt/reboot.
   4 #
   5 # Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
   6 # Changes:      Grzegorz Stanislawski <stangrze@open.net.pl>
   7 #               Arkadiusz Mi¶kiewicz <misiek@pld-linux.org>
   8 #
   9 # $Id$
  10
  11 # Set the path.
  12 PATH=/sbin:/bin:/usr/bin:/usr/sbin
  13
  14 # move to root dir
  15 cd /
  16
  17 IN_SHUTDOWN=yes
  18
  19 . /etc/rc.d/init.d/functions
  20
  21 # avoid keyboard interruption
  22 trap "echo" INT SEGV QUIT TERM
  23 set +e
  24
  25 rc_splash "reboot"
  26
  27 # Kill all processes.
  28 [ "${BASH+bash}" = bash ] && enable kill
  29
  30 runlevel=$1
  31 previous=$2
  32
  33 # check for other processes.
  34 # there could be none if all services were terminated properly
  35 # pgrep -g 0 requires procps >= 3.2.6-1.1
  36 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  37 if [ -n "$pids" ]; then
  38         run_cmd "Sending all processes the TERM signal" killall5 -15
  39 fi
  40
  41 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  42 if [ -n "$pids" ]; then
  43         sleep 5
  44         run_cmd "Sending all processes the KILL signal" killall5 -9
  45 fi
  46
  47 # Write to wtmp file before unmounting /var
  48 halt -w
  49
  50 if ! is_yes "$VSERVER"; then
  51         # Turn off swap, then unmount file systems.
  52         run_cmd "Turning off swap" swapoff -a
  53
  54         [ -x /etc/rc.d/rc.acct ] && /etc/rc.d/rc.acct stop
  55
  56         if [ -x /sbin/quotaoff ]; then
  57                 run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
  58         fi
  59
  60         # Unmount file systems, killing processes if we have to.
  61         sig=-15
  62         retry=3
  63         force=
  64         remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  65         while [ -n "$remaining" -a "$retry" -gt 0 ]; do
  66                 show "Unmounting file systems"; busy
  67                 ERRORS=$(umount -a $FORCE -t noproc,devfs 2>&1); rc=$?
  68
  69                 # we might had unmounted /usr, recheck $TPUT availability
  70                 # but well. we need tput only for show() and busy() (ok() and fail() messages are already cached)
  71                 # TODO: look ahead the messages?
  72                 if is_yes "$TPUT"; then
  73                         TPUT=
  74                         rc_gettext_init
  75                 fi
  76
  77                 if [ $rc = 0 ]; then
  78                         ok
  79                 else
  80                         fail
  81                         [ -n "$ERRORS" ] && echo "$ERRORS"
  82                 fi
  83
  84                 sleep 2
  85                 remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  86                 [ -z "$remaining" ] && break
  87                 /sbin/fuser -k -m $sig $remaining > /dev/null
  88                 sleep 5
  89                 retry=$(($retry-1))
  90                 sig=-9
  91                 force="-f"
  92         done
  93
  94         run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /
  95
  96         if is_yes "$EVMS_LVM" || [ -x /sbin/vgscan -a -x /sbin/vgchange ]; then
  97                 lvmversion=$(/sbin/vgchange --version 2>/dev/null | awk '{gsub("vgchange: Logical Volume Manager ",""); gsub("LVM version:     ",""); gsub(/\..*/,"");print $1; exit}')
  98                 if [ "$lvmversion" = "2" ] ; then
  99                         lvmignorelock="--ignorelockingfailure"
 100                 else
 101                         lvmignorelock=""
 102                 fi
 103                 run_cmd "Stopping LVM volume groups" /sbin/vgchange -a n $lvmignorelock
 104         fi
 105
 106         goraidtab=1
 107         if [ -x /sbin/mdadm -a -f /etc/mdadm.conf ]; then
 108                 if (grep -qE "^([[:blank:]]|)ARRAY[[:blank:]]" /etc/mdadm.conf 2>/dev/null); then
 109                         run_cmd "Turning off RAID devices" /sbin/mdadm --stop --scan
 110                         rc=$?
 111                         [ "$rc" -eq 0 ] && goraidtab=0
 112                 fi
 113         fi
 114
 115         # turn off raid
 116         if [ -x /sbin/raidstop -a -f /etc/raidtab -a "$goraidtab" -eq 1 ]; then
 117                 # we can not use raidstop -a here because this will only stop
 118                 # devices listed in the default config file which is not always
 119                 # the case. So we look only for the active raid devices
 120                 if [ -f /proc/mdstat ] ; then
 121                         mddevs=$(awk '/^md.* active/ {print $1}' /proc/mdstat)
 122                         for mddev in $mddevs ; do
 123                                 show "Turning off RAID for %s" "$mddev"
 124                                 daemon /sbin/raidstop /dev/$mddev
 125                         done
 126                         unset mddev mddevs
 127                 fi
 128                 # runcmd "Turning off RAID" /sbin/raidstop -a
 129         fi
 130
 131         show "Remounting remaining filesystems ro mode"; busy
 132         if ( mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | \
 133                 while read line; do
 134                 mount -n -o ro,remount $line; done ); then
 135                 ok
 136         else
 137                 fail
 138         fi
 139         _rebootwhat="system"
 140 else
 141         _rebootwhat="vserver"
 142 fi
 143
 144 if [ "$runlevel" = "0" ] ; then
 145         show "The $_rebootwhat is halted"; ok
 146         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 147
 148         if [ -x /sbin/poweroff-ups -a -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
 149                 . /etc/sysconfig/ups
 150                 is_yes "$POWEROFF_UPS" && /sbin/poweroff-ups
 151         fi
 152         [ "$previous" != "unknown" ] && eval halt -d -p
 153 else
 154         show "Please stand by while rebooting the $_rebootwhat"; ok
 155         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 156         [ -x /sbin/kexec ] && /sbin/kexec -e
 157         [ "$previous" != "unknown" ] && eval reboot -d
 158 fi
 159
 160 # This must be last line !
 161 # vi:syntax=sh