Add process status handling

firestarter

@@ -227,6 +227,34 @@ fsstatus() {
 			printf "$errorline\n"
 		fi
 	fi
+	# Service information
+	if [ -d "$_optrundir" ]; then
+		for pidfile in "$_optrundir"/*.pid; do
+			local name="$(basename -- "$pidfile" .pid)"
+			local pid="$(< "$pidfile")"
+			local len=16
+			local status
+			local description
+			if [ -z "$pid" ]; then
+				# PID is empty
+				status="\e[31m○\e[0m"
+				description="No PID"
+			elif ! [ "$pid" -gt 0 ] 2> /dev/null; then
+				# PID is not a number greater than 0
+				status="\e[31m○\e[0m"
+				description="Invalid PID ($pid)"
+			elif ! [ -d "/proc/$pid" ]; then
+				# PID is valid, but does not exist in /proc (i.e. is dead)
+				status="\e[31m●\e[0m"
+				description="Dead (PID $pid)"
+			else
+				# PID is good, time for secondary validation
+				status="\e[32m●\e[0m"
+				description="Running (PID $pid)"
+			fi
+			printf "\t$status %-${len}.${len}s $description\n" "$name"
+		done
+	fi
 }
 step_preexecute() {
 	# Special things that can't use simple configuration files