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/*------------------------------------------------------------------------- * * 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 */