Source

asterisk / safe_asterisk

#!/bin/sh
TTY=9			# TTY (if you want one) for Asterisk to run on
CONSOLE=yes		# Whether or not you want a console
NOTIFY=			# Who to notify about crashes
#
# Don't fork when running "safely"
#
ASTARGS=""
if [ "$TTY" != "" ]; then
	ASTARGS="${ASTARGS} -vvv"
	if [ "$CONSOLE" != "no" ]; then
		ASTARGS="${ASTARGS} -c"
	fi
fi

#
# Let Asterisk dump core
#
ulimit -c unlimited

#launch_asterisk()
#{
#}

run_asterisk()
{
	while :; do 

		if [ "$TTY" != "" ]; then
			stty sane < /dev/tty${TTY}
			asterisk ${ASTARGS} >& /dev/tty${TTY} < /dev/tty${TTY}
		else
			asterisk ${ASTARGS}
		fi
		EXITSTATUS=$?
		#echo "Asterisk ended with exit status $EXITSTATUS"
		if [ "$EXITSTATUS" = "0" ]; then
			# Properly shutdown....
			echo "Asterisk shutdown normally."
			exit 0
		elif [ $EXITSTATUS -gt 128 ]; then
			let EXITSIGNAL=EXITSTATUS-128
			echo "Asterisk exited on signal $EXITSIGNAL."
			if [ "$NOTIFY" != "" ]; then
				echo "Asterisk exited on signal $EXITSIGNAL.  Might want to take a peek." | \
				mail -s "Asterisk Died" $NOTIFY
			fi
		else
			echo "Asterisk died with code $EXITSTATUS.  Aborting."
			exit 0
		fi
		echo "Automatically restarting Asterisk."
	done
}

run_asterisk &