Oopsies (#19553)

code/game/machinery/computer/arcade.dm

@@ -37,6 +37,7 @@
 
 /obj/machinery/computer/arcade/proc/prizevend(mob/user)
 	SEND_SIGNAL(src, COMSIG_ARCADE_PRIZEVEND, user)
+	SEND_GLOBAL_SIGNAL(COMSIG_GLOB_ARCADE_PRIZEVEND)
 
 	if(LAZYLEN(special_prizes)) // Downstream wanted the 'win things inside contents sans circuitboard' feature kept.
 		var/atom/movable/AM = pick_n_take(special_prizes)

code/game/machinery/iv_drip.dm

@@ -131,6 +131,7 @@
 				visible_message("\The [src] beeps loudly.")
 
 			var/datum/reagent/B = T.take_blood(beaker,amount)
+			SEND_GLOBAL_SIGNAL(COMSIG_GLOB_DONATE_BLOOD, amount)
 
 			if(B)
 				beaker.reagents.reagent_list |= B

code/game/objects/mail.dm

@@ -452,6 +452,7 @@ ADMIN_VERB(spawn_mail, R_SPAWN, "Spawn Mail", "Spawn mail for a specific player,
 		to_chat(user, span_notice("Succesful delivery acknowledged! [cargo_points] points added to Supply."))
 		playsound(loc, 'sound/items/mail/mailapproved.ogg', 50, TRUE)
 		SSsupply.points += cargo_points
+		SEND_GLOBAL_SIGNAL(COMSIG_GLOB_MAIL_DELIVERED)
 
 // JUNK MAIL STUFF