dumpon revision 150103 
1153187Spjd#!/bin/sh
2153187Spjd#
3153187Spjd# $FreeBSD: head/etc/rc.d/dumpon 150103 2005-09-13 19:07:02Z rwatson $
4153187Spjd#
5153187Spjd
6153187Spjd# PROVIDE: dumpon
7153187Spjd# REQUIRE: rcconf
8153187Spjd# BEFORE: disks savecore initrandom
9153187Spjd# KEYWORD: nojail
10153187Spjd
11293438Sngie. /etc/rc.subr
12293438Sngie
13153187Spjdname="dumpon"
14293438Sngiestart_cmd="dumpon_start"
15293438Sngiestop_cmd="dumpon_stop"
16293438Sngie
17293438Sngiedumpon_try()
18153187Spjd{
19153187Spjd	if /sbin/dumpon -v "${1}" ; then
20293438Sngie		# Make a symlink in devfs for savecore
21153187Spjd		ln -fs "${1}" /dev/dumpdev
22153187Spjd		return 0
23153187Spjd	fi
24153187Spjd	return 1
25153187Spjd}
26153187Spjd
27153187Spjddumpon_start()
28153187Spjd{
29153187Spjd	# Enable dumpdev so that savecore can see it. Enable it
30153187Spjd	# early so a crash early in the boot process can be caught.
31153187Spjd	#
32153187Spjd	case ${dumpdev} in
33153187Spjd	[Nn][Oo] | '')
34153187Spjd		;;
35153187Spjd	[Aa][Uu][Tt][Oo])
36153187Spjd		dev=$(/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
55dumpon_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
67load_rc_config $name
68run_rc_command "$1"
69