Index: safe_asterisk
===================================================================
--- safe_asterisk	(revision 263768)
+++ safe_asterisk	(working copy)
@@ -10,6 +10,7 @@
 #SYSLOG=local0				# Which syslog facility to use (disabled if blank)
 MACHINE=`hostname`			# To specify which machine has crashed when getting the mail
 DUMPDROP=/tmp
+CREATE_BACKTRACE=1		# Create and email backtrace if GDB is available
 SLEEPSECS=4
 ASTSBINDIR=__ASTERISK_SBIN_DIR__
 ASTVARRUNDIR=__ASTERISK_VARRUN_DIR__
@@ -172,22 +173,12 @@
 			fi
 
 			PID=`cat ${ASTPIDFILE}`
-			DATE=`date "+%Y-%m-%dT%H:%M:%S%z"`
-			if test -f /tmp/core.${PID} ; then
-				mv /tmp/core.${PID} ${DUMPDROP}/core.`hostname`-$DATE &
-			elif test -f /tmp/core ; then
-				mv /tmp/core ${DUMPDROP}/core.`hostname`-$DATE &
-			fi
+			process_coredump $PID &
 		else
 			message "Asterisk died with code $EXITSTATUS."
 
 			PID=`cat ${ASTPIDFILE}`
-			DATE=`date "+%Y-%m-%dT%H:%M:%S%z"`
-			if test -f /tmp/core.${PID} ; then
-				mv /tmp/core.${PID} ${DUMPDROP}/core.`hostname`-$DATE &
-			elif test -f /tmp/core ; then
-				mv /tmp/core ${DUMPDROP}/core.`hostname`-$DATE &
-			fi
+			process_coredump $PID &
 		fi
 		message "Automatically restarting Asterisk."
 		sleep $SLEEPSECS
@@ -197,4 +188,54 @@
 	done
 }
 
+process_coredump()
+{
+	local PID=$1
+	local DATE=`date "+%Y-%m-%dT%H:%M:%S%z"`
+	local CORE=$DUMPDROP/core.$MACHINE-$DATE.$PID
+	local BACKTRACE=$DUMPDROP/bt.$MACHINE-$DATE.$PID.txt
+
+	# Refcount debug log
+	if [ -f /tmp/refs ]; then
+		mv /tmp/refs $DUMPDROP/refs.$MACHINE-$DATE.$PID.txt
+	fi
+
+	# Move core dump to DUMPDROP
+	if [ -f /tmp/core.$PID ]; then
+		mv /tmp/core.$PID $CORE
+	elif [ -f /tmp/core ]; then
+		mv /tmp/core $CORE
+	fi
+
+	local GDB=`which gdb`
+	# Dump current backtrace
+	if [ "$GDB" != "" ] && [ "0$CREATE_BACKTRACE" -gt "0" ]; then
+		gdb $ASTSBINDIR/asterisk $CORE > $BACKTRACE 2> /dev/null <<EOF
+set pagination off
+set prompt
+set print pretty
+echo \n\n--------------------------------------------------------------------------------\n
+echo BT\n
+bt
+echo \n\n--------------------------------------------------------------------------------\n
+echo BT FULL\n
+bt full
+echo \n\n--------------------------------------------------------------------------------\n
+echo INFO THREAD\n
+info thread
+echo \n\n--------------------------------------------------------------------------------\n
+echo THREAD APPLY ALL BT\n
+thread apply all bt
+echo \n\n--------------------------------------------------------------------------------\n
+echo THREAD APPLY ALL BT FULL\n
+thread apply all bt full
+quit
+EOF
+
+		# Filter out symbol loading so that top of email contains just stack trace
+		# --exec would have generated nicer output but it needs separate command files
+		grep -A200 -F "Core was generated by" $BACKTRACE | mail -s "Asterisk on $MACHINE died, core dumped at $CORE" $NOTIFY
+	fi
+}
+
 run_asterisk &