pd.if.org Git - startuptools/blob - scripts/rc.shutdown

   1 #!/bin/sh
   2
   3 cd /
   4
   5 . /etc/rc.conf
   6 . /etc/rc.d/functions.rc
   7
   8 kill_all_wait() {
   9         # Send SIGTERM then SIGKILL to all processes
  10         # loop until killall5 reports all done, or timeout
  11         # killall5 does not support the 0 signal, so we use SIGCONT for
  12         # checking (which should be ignored)
  13
  14         local i
  15
  16         killall5 -$1
  17
  18         for i in $(seq 1 $2); do
  19                 sleep .25
  20                 # check via SIGCONT
  21                 killall5 -18
  22                 test $? -eq 2 && return 0
  23         done
  24
  25         return 1
  26 }
  27
  28 kill_all() {
  29         status_begin "Sending SIGTERM to processes"
  30         kill_all_wait 15 40
  31         status_check
  32         if [ $? != 0 ]; then
  33                 status_begin "Sending SIGKILL to processes"
  34                 kill_all_wait 9 60
  35                 status_check
  36         fi
  37 }
  38
  39 text -x /etc/rc.local.shutdown && /etc/rc.local.shutdown
  40
  41 reverse() {
  42         local rev
  43         for i in "$@"; do
  44                 rev="$i $rev"
  45         done;
  46         printf '%s\n' "$rev"
  47 }
  48
  49 STOPDAEMONS=$(reverse $DAEMONS)
  50
  51 for D in $STOPDAEMONS; do
  52         /etc/rc.d/$D stop
  53 done
  54
  55 # write to wtmp
  56 halt -w
  57
  58 if [ is_true "$USELVM" ] && [ -x /sbin/vgchange ]; then
  59         status_begin "Deactivating monitoring of LVM2 groups"
  60         /sbin/vgchange --monitor n
  61         status_check
  62 fi
  63
  64 if [ -x /sbin/udevadm ]; then
  65         status_begin "Shutting down udev"
  66         /sbin/udevadm control --exit
  67         status_check
  68 fi
  69
  70 kill_all
  71
  72 status_begin "Unmounting swap-backed filesystems"
  73 umount -a -t tmpfs
  74 status_check
  75
  76 status_begin "Deactivating swap"
  77 swapoff -a
  78 status_check
  79
  80 status_begin "Unmounting non-API filesystems"
  81 umount -a
  82 status_check
  83
  84 status_begin "Remounting root filesystem read-only"
  85 mount -o remount,ro /
  86 status_check
  87
  88 sleep 3
  89
  90 if [ $RUNLEVEL -eq 0 ]; then
  91         poweroff -d -f -h -i
  92 else
  93         reboot -d -f -i
  94 fi