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-rw-r--r--src/include/storage/sinval.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/storage/sinval.h b/src/include/storage/sinval.h
index e9ce0257ac6..aba474d2371 100644
--- a/src/include/storage/sinval.h
+++ b/src/include/storage/sinval.h
@@ -116,6 +116,10 @@ typedef union
} SharedInvalidationMessage;
+/* Counter of messages processed; don't worry about overflow. */
+extern uint64 SharedInvalidMessageCounter;
+
+
extern void SendSharedInvalidMessages(const SharedInvalidationMessage *msgs,
int n);
extern void ReceiveSharedInvalidMessages(