mirror of
https://github.com/postgres/postgres.git
synced 2026-02-20 16:30:40 -05:00
e37c1090df
It is only used in src/backend/replication/syncrep.c. Back-patch to all supported branches except 9.1 which declares the function as static.
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* syncrep.h
|
|
* Exports from replication/syncrep.c.
|
|
*
|
|
* Portions Copyright (c) 2010-2012, PostgreSQL Global Development Group
|
|
*
|
|
* IDENTIFICATION
|
|
* src/include/replication/syncrep.h
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef _SYNCREP_H
|
|
#define _SYNCREP_H
|
|
|
|
#include "access/xlogdefs.h"
|
|
#include "utils/guc.h"
|
|
|
|
#define SyncRepRequested() \
|
|
(max_wal_senders > 0 && synchronous_commit > SYNCHRONOUS_COMMIT_LOCAL_FLUSH)
|
|
|
|
/* SyncRepWaitMode */
|
|
#define SYNC_REP_NO_WAIT -1
|
|
#define SYNC_REP_WAIT_WRITE 0
|
|
#define SYNC_REP_WAIT_FLUSH 1
|
|
|
|
#define NUM_SYNC_REP_WAIT_MODE 2
|
|
|
|
/* syncRepState */
|
|
#define SYNC_REP_NOT_WAITING 0
|
|
#define SYNC_REP_WAITING 1
|
|
#define SYNC_REP_WAIT_COMPLETE 2
|
|
|
|
/* user-settable parameters for synchronous replication */
|
|
extern char *SyncRepStandbyNames;
|
|
|
|
/* called by user backend */
|
|
extern void SyncRepWaitForLSN(XLogRecPtr XactCommitLSN);
|
|
|
|
/* called at backend exit */
|
|
extern void SyncRepCleanupAtProcExit(void);
|
|
|
|
/* called by wal sender */
|
|
extern void SyncRepInitConfig(void);
|
|
extern void SyncRepReleaseWaiters(void);
|
|
|
|
/* called by checkpointer */
|
|
extern void SyncRepUpdateSyncStandbysDefined(void);
|
|
|
|
extern bool check_synchronous_standby_names(char **newval, void **extra, GucSource source);
|
|
extern void assign_synchronous_commit(int newval, void *extra);
|
|
|
|
#endif /* _SYNCREP_H */
|