2 files changed, 2 insertions, 2 deletions
diff --git a/src/include/replication/walreceiver.h b/src/include/replication/walreceiver.h
index d21ec94a455..31449d214ec 100644
--- a/src/include/replication/walreceiver.h
+++ b/src/include/replication/walreceiver.h
@@ -109,7 +109,7 @@ typedef void (*walrcv_disconnect_type) (void);
 extern PGDLLIMPORT walrcv_disconnect_type walrcv_disconnect;
 
 /* prototypes for functions in walreceiver.c */
-extern void WalReceiverMain(void);
+extern void WalReceiverMain(void) __attribute__((noreturn));
 
 /* prototypes for functions in walreceiverfuncs.c */
 extern Size WalRcvShmemSize(void);
diff --git a/src/include/replication/walsender.h b/src/include/replication/walsender.h
index 128d2dbf592..65536016c28 100644
--- a/src/include/replication/walsender.h
+++ b/src/include/replication/walsender.h
@@ -26,7 +26,7 @@ extern volatile sig_atomic_t walsender_ready_to_stop;
 extern int	max_wal_senders;
 extern int	replication_timeout;
 
-extern int	WalSenderMain(void);
+extern void WalSenderMain(void) __attribute__((noreturn));
 extern void WalSndSignals(void);
 extern Size WalSndShmemSize(void);
 extern void WalSndShmemInit(void);