freebsd/etc/rc.d/dumpon

#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: dumpon
# REQUIRE: initrandom
# BEFORE: disks savecore
# KEYWORD: FreeBSD nojail

. /etc/rc.subr

name="dumpon"
start_cmd="dumpon_start"
stop_cmd="dumpon_stop"

dumpon_start()
{
	# Enable dumpdev so that savecore can see it. Enable it
	# early so a crash early in the boot process can be caught.
	#
	case ${dumpdev} in
	[Nn][Oo] | '')
		;;
	[Aa][Uu][Tt][Oo])
		memsize=$((`/sbin/sysctl -n hw.physmem` / 1024))
		while read dev mp type more ; do
			[ "${type}" = "swap" ] || continue
			[ -c "${dev}" ] || continue
			/sbin/dumpon -v "${dev}" 2>/dev/null && return 0
		done </etc/fstab
		echo "No suitable dump device was found." 1>&2
		return 1
		;;
	*)
		/sbin/dumpon -v ${dumpdev}
		;;
	esac
}

dumpon_stop()
{
	case ${dumpdev} in
	[Nn][Oo] | '')
		;;
	*)
		/sbin/dumpon -v off
		;;
	esac
}

load_rc_config $name
run_rc_command "$1"