Index: abi/include/ipc/event.h
===================================================================
--- abi/include/ipc/event.h	(revision c06994673347954891a57710998cf1e087a59e8b)
+++ abi/include/ipc/event.h	(revision 5d0500cf34f298133f120c2783fb8ef7d5fb2e9c)
@@ -46,4 +46,10 @@
 } event_type_t;
 
+/** Per-task events. */
+typedef enum event_task_type {
+	EVENT_TASK_STATE_CHANGE = EVENT_END,
+	EVENT_TASK_END
+} event_task_type_t;
+
 #endif