1 files changed, 1 insertions, 0 deletions

diff --git a/mps/code/mpm.h b/mps/code/mpm.h
index b9d8e7548c1..1dfa7dc2c6a 100644
--- a/mps/code/mpm.h
+++ b/mps/code/mpm.h
@@ -311,6 +311,7 @@ extern void MessageDiscard(Arena arena, Message message);
 /* -- Message Methods, Generic */
 extern MessageType MessageGetType(Message message);
 extern MessageClass MessageGetClass(Message message);
+extern mps_clock_t MessageGetClock(Message message);
 /* -- Message Method Dispatchers, Type-specific */
 extern void MessageFinalizationRef(Ref *refReturn,
                                    Arena arena, Message message);