adds a bunch of new dcs signals

code/controllers/subsystem/air.dm

@@ -164,6 +164,7 @@ SUBSYSTEM_DEF(air)
 		currentrun.len--
 		if(!M || (M.process_atmos(seconds) == PROCESS_KILL))
 			atmos_machinery.Remove(M)
+		M.SendSignal(COMSIG_MACHINE_PROCESS_ATMOS)
 		if(MC_TICK_CHECK)
 			return
 

code/controllers/subsystem/machines.dm

@@ -40,6 +40,7 @@ SUBSYSTEM_DEF(machines)
 		var/obj/machinery/thing = currentrun[currentrun.len]
 		currentrun.len--
 		if(!QDELETED(thing) && thing.process(seconds) != PROCESS_KILL)
+			thing.SendSignal(COMSIG_MACHINE_PROCESS)
 			if(thing.use_power)
 				thing.auto_use_power() //add back the power state
 		else