Added rmw_event_type_is_supported (#395) (#396)

Signed-off-by: Alejandro Hernandez Cordero <[email protected]>
(cherry picked from commit 5cf8420)

Co-authored-by: Alejandro Hernández Cordero <[email protected]>

Author: mergify[bot]

rmw/include/rmw/event.h

@@ -130,6 +130,17 @@ RMW_WARN_UNUSED
 rmw_ret_t
 rmw_event_fini(rmw_event_t * event);
 
+
+/// Check if an event type is supported by the RMW implementation.
+/*
+ * \param[in] rmw_event_type to check
+ * \return True if the event is supported false otherwise.
+ */
+RMW_PUBLIC
+RMW_WARN_UNUSED
+bool
+rmw_event_type_is_supported(rmw_event_type_t rmw_event_type);
+
 #ifdef __cplusplus
 }
 #endif