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-rw-r--r--src/include/replication/syncrep.h5
-rw-r--r--src/include/replication/walreceiver.h12
2 files changed, 13 insertions, 4 deletions
diff --git a/src/include/replication/syncrep.h b/src/include/replication/syncrep.h
index 96e059bc3fa..c005a425836 100644
--- a/src/include/replication/syncrep.h
+++ b/src/include/replication/syncrep.h
@@ -23,8 +23,9 @@
#define SYNC_REP_NO_WAIT -1
#define SYNC_REP_WAIT_WRITE 0
#define SYNC_REP_WAIT_FLUSH 1
+#define SYNC_REP_WAIT_APPLY 2
-#define NUM_SYNC_REP_WAIT_MODE 2
+#define NUM_SYNC_REP_WAIT_MODE 3
/* syncRepState */
#define SYNC_REP_NOT_WAITING 0
@@ -35,7 +36,7 @@
extern char *SyncRepStandbyNames;
/* called by user backend */
-extern void SyncRepWaitForLSN(XLogRecPtr XactCommitLSN);
+extern void SyncRepWaitForLSN(XLogRecPtr lsn, bool commit);
/* called at backend exit */
extern void SyncRepCleanupAtProcExit(void);
diff --git a/src/include/replication/walreceiver.h b/src/include/replication/walreceiver.h
index 6eacb095d1b..36bcb471720 100644
--- a/src/include/replication/walreceiver.h
+++ b/src/include/replication/walreceiver.h
@@ -113,9 +113,16 @@ typedef struct
slock_t mutex; /* locks shared variables shown above */
/*
+ * force walreceiver reply? This doesn't need to be locked; memory
+ * barriers for ordering are sufficient.
+ */
+ bool force_reply;
+
+ /*
* Latch used by startup process to wake up walreceiver after telling it
* where to start streaming (after setting receiveStart and
- * receiveStartTLI).
+ * receiveStartTLI), and also to tell it to send apply feedback to the
+ * primary whenever specially marked commit records are applied.
*/
Latch latch;
} WalRcvData;
@@ -138,7 +145,7 @@ extern PGDLLIMPORT walrcv_startstreaming_type walrcv_startstreaming;
typedef void (*walrcv_endstreaming_type) (TimeLineID *next_tli);
extern PGDLLIMPORT walrcv_endstreaming_type walrcv_endstreaming;
-typedef int (*walrcv_receive_type) (int timeout, char **buffer);
+typedef int (*walrcv_receive_type) (char **buffer, int *wait_fd);
extern PGDLLIMPORT walrcv_receive_type walrcv_receive;
typedef void (*walrcv_send_type) (const char *buffer, int nbytes);
@@ -162,5 +169,6 @@ extern void RequestXLogStreaming(TimeLineID tli, XLogRecPtr recptr,
extern XLogRecPtr GetWalRcvWriteRecPtr(XLogRecPtr *latestChunkStart, TimeLineID *receiveTLI);
extern int GetReplicationApplyDelay(void);
extern int GetReplicationTransferLatency(void);
+extern void WalRcvForceReply(void);
#endif /* _WALRECEIVER_H */