2011-03-07 00:39:14 +01:00
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/*-------------------------------------------------------------------------
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*
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* syncrep.h
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* Exports from replication/syncrep.c.
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*
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2011-03-10 07:05:33 +01:00
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* Portions Copyright (c) 2010-2011, PostgreSQL Global Development Group
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2011-03-07 00:39:14 +01:00
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*
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2011-03-10 07:05:33 +01:00
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* IDENTIFICATION
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* src/include/replication/syncrep.h
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2011-03-07 00:39:14 +01:00
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef _SYNCREP_H
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#define _SYNCREP_H
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#include "access/xlog.h"
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#include "storage/proc.h"
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#include "storage/shmem.h"
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#include "storage/spin.h"
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#include "utils/guc.h"
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#define SyncRepRequested() (sync_rep_mode)
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/* syncRepState */
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#define SYNC_REP_NOT_WAITING 0
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#define SYNC_REP_WAITING 1
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#define SYNC_REP_WAIT_COMPLETE 2
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#define SYNC_REP_MUST_DISCONNECT 3
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/* user-settable parameters for synchronous replication */
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extern bool sync_rep_mode;
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extern int sync_rep_timeout;
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extern char *SyncRepStandbyNames;
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/* called by user backend */
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extern void SyncRepWaitForLSN(XLogRecPtr XactCommitLSN);
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/* callback at backend exit */
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extern void SyncRepCleanupAtProcExit(int code, Datum arg);
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/* called by wal sender */
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extern void SyncRepInitConfig(void);
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extern void SyncRepReleaseWaiters(void);
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/* called by various procs */
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extern int SyncRepWakeQueue(bool all);
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const char *assign_synchronous_standby_names(const char *newval, bool doit, GucSource source);
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#endif /* _SYNCREP_H */
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