Event: Add get_driver to return driver backend

Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/src/msg/async/Event.h b/src/msg/async/Event.h
index 925425ae121e31640e2e78d02c9d2e281f434d12..d887c5420ce6af4ddfcd6f8e7c2c08177f27cd01 100644 (file)
--- a/src/msg/async/Event.h
+++ b/src/msg/async/Event.h
@@ -152,6 +152,8 @@ class EventCenter {
   pthread_t get_owner() const { return owner; }
   unsigned get_id() const { return idx; }
 
+  EventDriver *get_driver() { return driver; }
+
   // Used by internal thread
   int create_file_event(int fd, int mask, EventCallbackRef ctxt);
   uint64_t create_time_event(uint64_t milliseconds, EventCallbackRef ctxt);