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|
#!/bin/sh
#/etc/init.d/watchdog: start watchdog daemon.
### BEGIN INIT INFO
# Provides: watchdog
# Short-Description: Start software watchdog daemon
# Required-Start: $all
# Required-Stop: $all
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin
test -x /usr/sbin/watchdog || exit 0
# For configuration of the init script use the file
# /etc/default/watchdog, do not edit this init script.
# Set run_watchdog to 1 to start watchdog or 0 to disable it.
run_watchdog=0
# Specify additional watchdog options here (see manpage).
watchdog_options=""
# Specify module to load
watchdog_module="none"
# Set run_wd_keepalive to 1 to start wd_keepalive after stopping watchdog or 0
# to disable it. Running it is the default.
run_wd_keepalive=1
[ -e /etc/default/watchdog ] && . /etc/default/watchdog
NAME=watchdog
KEEPALIVE_NAME=wd_keepalive
DAEMON=/usr/sbin/watchdog
KEEPALIVE_DAEMON=/usr/sbin/wd_keepalive
STOP_RETRY_SCHEDULE='TERM/10/forever/KILL/1'
# Get lsb functions
. /lib/lsb/init-functions
case "$1" in
start)
if [ $run_watchdog = 1 ]
then
# do we have to load a module?
[ "${watchdog_module:-none}" != "none" ] && /sbin/modprobe $watchdog_module
# make sure that wd_keepalive is stopped
log_begin_msg "Stopping watchdog keepalive daemon..."
start-stop-daemon --stop --quiet --oknodo --retry $STOP_RETRY_SCHEDULE \
--pidfile /var/run/$KEEPALIVE_NAME.pid --exec $KEEPALIVE_DAEMON
log_end_msg $?
# also remove the sendsigs omit file
rm -f /run/sendsigs.omit.d/$KEEPALIVE_NAME.pid
# Unconditionally start watchdog daemon because we want to run it even
# if wd_keepalive wasn't running
log_begin_msg "Starting watchdog daemon..."
start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
--exec $DAEMON -- $watchdog_options
log_end_msg $?
fi
;;
stop)
if [ $run_watchdog = 1 ]
then
log_begin_msg "Stopping watchdog daemon..."
start-stop-daemon --stop --quiet --retry $STOP_RETRY_SCHEDULE \
--pidfile /var/run/$NAME.pid --exec $DAEMON
log_end_msg $?
if [ $run_wd_keepalive = 1 ]
then
# make sure that wd_keepalive is started if instructed to do so
log_begin_msg "Starting watchdog keepalive daemon..."
start-stop-daemon --start --quiet --pidfile /var/run/$KEEPALIVE_NAME.pid \
--exec $KEEPALIVE_DAEMON -- $watchdog_options
log_end_msg $?
# and tell sendsigs to ignore it
ln -s /var/run/$KEEPALIVE_NAME.pid /run/sendsigs.omit.d/$KEEPALIVE_NAME.pid
fi
fi
;;
restart)
$0 force-reload
;;
force-reload)
if [ $run_watchdog = 0 ]; then exit 0; fi
log_daemon_msg "Restarting $NAME"
log_progress_msg "Stopping $NAME daemon..."
start-stop-daemon --stop --pidfile /var/run/$NAME.pid --quiet \
--retry $STOP_RETRY_SCHEDULE --exec $DAEMON || log_end_msg $?
log_progress_msg "Starting $NAME daemon..."
start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
--exec $DAEMON -- $watchdog_options
log_end_msg $?
;;
status)
status_of_proc "$DAEMON" watchdog
;;
*)
echo "Usage: /etc/init.d/watchdog {start|stop|restart|force-reload|status}"
exit 1
esac
exit 0
|
