xref: /freebsd/libexec/rc/rc.d/watchdogd (revision 3e5d0784b9b5296bda801add034b057ad68237f7)
1#!/bin/sh
2
3# Copyright (c) 2003  Sean M. Kelly <smkelly@FreeBSD.org>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28#
29
30# PROVIDE: watchdogd
31# REQUIRE: FILESYSTEMS syslogd
32# KEYWORD: nojail shutdown
33
34. /etc/rc.subr
35
36name="watchdogd"
37desc="Watchdog daemon"
38rcvar="watchdogd_enable"
39command="/usr/sbin/${name}"
40pidfile="/var/run/${name}.pid"
41start_precmd="watchdogd_prestart"
42stop_precmd="watchdogd_prestop"
43stop_postcmd="watchdogd_poststop"
44watchdog_command="/usr/sbin/watchdog"
45
46watchdogd_prestart()
47{
48	if [ -n "${watchdogd_timeout}" ] ; then
49		rc_flags="${rc_flags} -t ${watchdogd_timeout}"
50	fi
51	if [ -n "$watchdogd_shutdown_timeout" ] ; then
52		rc_flags="${rc_flags} -x ${watchdogd_shutdown_timeout}"
53	fi
54	return 0
55}
56
57watchdogd_prestop()
58{
59	sig_stop="${watchdogd_sig_stop:-TERM}"
60}
61
62watchdogd_poststop()
63{
64	if [ ${watchdogd_shutdown_timeout:-0} -gt 0 ] ; then
65		case "${rc_shutdown}" in
66		"reboot")
67			info "watchdog timer is set to" \
68				${watchdogd_shutdown_timeout} "before shutdown"
69			return 0
70			;;
71		"single")
72			info "watchdog timer is disabled before going to" \
73				"single user mode"
74			${watchdog_command} -t 0
75			;;
76		"")
77			info "watchdog timer is disabled after administrative" \
78				"${name} stop"
79			${watchdog_command} -t 0
80			;;
81		*)
82			warn "unknown shutdown mode '${rc_shutdown}'"
83			warn "watchdog timer is set to ${watchdogd_shutdown_timeout}"
84			return 0
85			;;
86		esac
87	fi
88	return 0
89}
90
91load_rc_config $name
92run_rc_command "$1"
93