etc/rc.d/dumpon

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: dumpon
   7 # BEFORE: disks savecore initrandom
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11
  12 name="dumpon"
  13 start_cmd="dumpon_start"
  14 stop_cmd="dumpon_stop"
  15
  16 dumpon_try()
  17 {
  18         if /sbin/dumpon -v "${1}" ; then
  19                 # Make a symlink in devfs for savecore
  20                 ln -fs "${1}" /dev/dumpdev
  21                 return 0
  22         fi
  23         return 1
  24 }
  25
  26 dumpon_start()
  27 {
  28         # Enable dumpdev so that savecore can see it. Enable it
  29         # early so a crash early in the boot process can be caught.
  30         #
  31         case ${dumpdev} in
  32         [Nn][Oo] | '')
  33                 ;;
  34         [Aa][Uu][Tt][Oo])
  35                 dev=$(/bin/kenv -q dumpdev)
  36                 if [ -n "${dev}" ] ; then
  37                         dumpon_try "${dev}"
  38                         return $?
  39                 fi
  40                 while read dev mp type more ; do
  41                         [ "${type}" = "swap" ] || continue
  42                         [ -c "${dev}" ] || continue
  43                         dumpon_try "${dev}" 2>/dev/null && return 0
  44                 done </etc/fstab
  45                 echo "No suitable dump device was found." 1>&2
  46                 return 1
  47                 ;;
  48         *)
  49                 dumpon_try "${dumpdev}"
  50                 ;;
  51         esac
  52 }
  53
  54 dumpon_stop()
  55 {
  56         case ${dumpdev} in
  57         [Nn][Oo] | '')
  58                 ;;
  59         *)
  60                 rm -f /dev/dumpdev
  61                 /sbin/dumpon -v off
  62                 ;;
  63         esac
  64 }
  65
  66 load_rc_config $name
  67 run_rc_command "$1"