rc.d/rc.shutdown

   1 #!/bin/sh
   2 #
   3 # shutdown      Common script for system halt/reboot.
   4 #
   5 # Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
   6 #
   7 # $Id$
   8
   9 # Set the path.
  10 PATH=/sbin:/bin:/usr/bin:/usr/sbin
  11
  12 # move to root dir
  13 cd /
  14
  15 IN_SHUTDOWN=yes
  16
  17 . /etc/rc.d/init.d/functions
  18
  19 # avoid keyboard interruption
  20 trap "echo" INT SEGV QUIT TERM
  21 set +e
  22
  23 rc_splash "reboot"
  24
  25 # Kill all processes.
  26 [ "${BASH+bash}" = bash ] && enable kill
  27
  28 runlevel=$1
  29 previous=$2
  30
  31 # Stop blogd before umounting /var
  32 if [ -x /sbin/blogd ] && ! is_no "$RC_BOOTLOG"; then
  33         killall -QUIT blogd
  34 fi
  35
  36
  37 # check for other processes.
  38 # there could be none if all services were terminated properly
  39 # pgrep -g 0 requires procps >= 3.2.6-1.1
  40 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  41 if [ -n "$pids" ]; then
  42         run_cmd "Sending all processes the TERM signal" killall5 -15
  43 fi
  44
  45 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  46 if [ -n "$pids" ]; then
  47         sleep 5
  48         run_cmd "Sending all processes the KILL signal" killall5 -9
  49 fi
  50
  51 # Write to wtmp file before unmounting /var
  52 halt -w
  53
  54 if ! is_yes "$VSERVER"; then
  55         # Turn off swap, then unmount file systems.
  56         run_cmd "Turning off swap" swapoff -a
  57
  58         [ -x /etc/rc.d/rc.acct ] && /etc/rc.d/rc.acct stop
  59
  60         if [ -x /sbin/quotaoff ]; then
  61                 run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
  62         fi
  63
  64         # Unmount file systems, killing processes if we have to.
  65         sig=-15
  66         retry=3
  67         force=
  68         remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  69         while [ -n "$remaining" -a "$retry" -gt 0 ]; do
  70                 show "Unmounting file systems"; busy
  71                 ERRORS=$(umount -a $force -t noproc,devfs 2>&1); rc=$?
  72
  73                 # we might had unmounted /usr, recheck $TPUT availability
  74                 # but well. we need tput only for show() and busy() (ok() and fail() messages are already cached)
  75                 # TODO: look ahead the messages?
  76                 if is_yes "$TPUT"; then
  77                         TPUT=
  78                         rc_gettext_init
  79                 fi
  80
  81                 if [ $rc = 0 ]; then
  82                         ok
  83                 else
  84                         fail
  85                         [ -n "$ERRORS" ] && echo "$ERRORS"
  86                 fi
  87
  88                 sleep 2
  89                 remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  90                 [ -z "$remaining" ] && break
  91                 /sbin/fuser -k -m $sig $remaining > /dev/null
  92                 sleep 5
  93                 retry=$(($retry-1))
  94                 sig=-9
  95                 force="-f"
  96         done
  97
  98         run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /
  99
 100         if is_yes "$EVMS_LVM" || [ -x /sbin/vgscan -a -x /sbin/vgchange ]; then
 101                 lvmversion=$(/sbin/vgchange --version 2>/dev/null | awk '{gsub("vgchange: Logical Volume Manager ",""); gsub("LVM version:     ",""); gsub(/\..*/,"");print $1; exit}')
 102                 if [ "$lvmversion" = "2" ] ; then
 103                         lvmignorelock="--ignorelockingfailure"
 104                 else
 105                         lvmignorelock=""
 106                 fi
 107                 run_cmd "Stopping LVM volume groups" /sbin/vgchange -a n $lvmignorelock
 108         fi
 109
 110         goraidtab=1
 111         if [ -x /sbin/mdadm -a -f /etc/mdadm.conf ]; then
 112                 if (grep -qE "^([[:blank:]]|)ARRAY[[:blank:]]" /etc/mdadm.conf 2>/dev/null); then
 113                         run_cmd "Turning off RAID devices" /sbin/mdadm --stop --scan
 114                         rc=$?
 115                         [ "$rc" -eq 0 ] && goraidtab=0
 116                 fi
 117         fi
 118
 119         # turn off raid
 120         if [ -x /sbin/raidstop -a -f /etc/raidtab -a "$goraidtab" -eq 1 ]; then
 121                 # we can not use raidstop -a here because this will only stop
 122                 # devices listed in the default config file which is not always
 123                 # the case. So we look only for the active raid devices
 124                 if [ -f /proc/mdstat ] ; then
 125                         mddevs=$(awk '/^md.* active/ {print $1}' /proc/mdstat)
 126                         for mddev in $mddevs ; do
 127                                 show "Turning off RAID for %s" "$mddev"
 128                                 daemon /sbin/raidstop /dev/$mddev
 129                         done
 130                         unset mddev mddevs
 131                 fi
 132                 # runcmd "Turning off RAID" /sbin/raidstop -a
 133         fi
 134
 135         show "Remounting remaining filesystems ro mode"; busy
 136         if ( mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | \
 137                 while read line; do
 138                 mount -n -o ro,remount $line; done ); then
 139                 ok
 140         else
 141                 fail
 142         fi
 143         _rebootwhat="system"
 144 else
 145         _rebootwhat="vserver"
 146 fi
 147
 148 if [ -f /etc/crypttab ] && ! is_empty_file /etc/crypttab; then
 149         . /etc/rc.d/init.d/cryptsetup
 150
 151         show "Stopping disk encryption"
 152         halt_crypto && ok || fail
 153 fi
 154
 155 if [ "$runlevel" = "0" ] ; then
 156         show "The $_rebootwhat is halted"; ok
 157         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 158
 159         if [ -x /sbin/poweroff-ups -a -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
 160                 . /etc/sysconfig/ups
 161                 is_yes "$POWEROFF_UPS" && /sbin/poweroff-ups
 162         fi
 163         [ "$previous" != "unknown" ] && eval halt -d -p
 164 else
 165         show "Please stand by while rebooting the $_rebootwhat"; ok
 166         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 167         [ -x /sbin/kexec ] && /sbin/kexec -e
 168         [ "$previous" != "unknown" ] && eval reboot -d
 169 fi
 170
 171 # This must be last line !
 172 # vi:syntax=sh