dumpon revision 180563 
178344Sobrien#!/bin/sh
278344Sobrien#
398184Sgordon# $FreeBSD: head/etc/rc.d/dumpon 180563 2008-07-16 19:22:48Z dougb $
478344Sobrien#
578344Sobrien
678344Sobrien# PROVIDE: dumpon
7223852Srmacklem# BEFORE: disks savecore initrandom
8180564Sdougb# KEYWORD: nojail
978344Sobrien
1078344Sobrien. /etc/rc.subr
1178344Sobrien
1278344Sobrienname="dumpon"
13101851Sgordonstart_cmd="dumpon_start"
1499550Sgordonstop_cmd="dumpon_stop"
15168681Smtm
1678344Sobriendumpon_try()
1778344Sobrien{
1878344Sobrien	if /sbin/dumpon "${1}" ; then
1978344Sobrien		# Make a symlink in devfs for savecore
2078344Sobrien		ln -fs "${1}" /dev/dumpdev
2178344Sobrien		return 0
22124627Smtm	fi
23124627Smtm	warn "unable to specify $1 as a dump device"
24124627Smtm	return 1
25124627Smtm}
26124627Smtm
27124627Smtmdumpon_start()
28124627Smtm{
29124627Smtm	# Enable dumpdev so that savecore can see it. Enable it
30124628Smtm	# early so a crash early in the boot process can be caught.
31124627Smtm	#
32150294Srodrigc	case ${dumpdev} in
3398184Sgordon	[Nn][Oo] | '')
34124628Smtm		;;
35124627Smtm	[Aa][Uu][Tt][Oo])
36150294Srodrigc		dev=$(/bin/kenv -q dumpdev)
37124627Smtm		if [ -n "${dev}" ] ; then
38124628Smtm			dumpon_try "${dev}"
39168410Spjd			return $?
40221046Srmacklem		fi
41193354Srmacklem		while read dev mp type more ; do
42221046Srmacklem			[ "${type}" = "swap" ] || continue
43221046Srmacklem			[ -c "${dev}" ] || continue
44193354Srmacklem			dumpon_try "${dev}" 2>/dev/null && return 0
45193354Srmacklem		done </etc/fstab
46168685Spjd		echo "No suitable dump device was found." 1>&2
47168410Spjd		return 1
48168410Spjd		;;
49168410Spjd	*)
5078344Sobrien		dumpon_try "${dumpdev}"
5198184Sgordon		;;
5278344Sobrien	esac
5378344Sobrien}
5478344Sobrien
5578344Sobriendumpon_stop()
5678344Sobrien{
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