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