PAL.C.T MINI SHELL
/*-------------------------------------------------------------------------
*
* twophase.h
* Two-phase-commit related declarations.
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/twophase.h,v 1.11.2.1 2009/11/23 09:58:51 heikki Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef TWOPHASE_H
#define TWOPHASE_H
#include "access/xlogdefs.h"
#include "storage/backendid.h"
#include "storage/proc.h"
#include "utils/timestamp.h"
/*
* GlobalTransactionData is defined in twophase.c; other places have no
* business knowing the internal definition.
*/
typedef struct GlobalTransactionData *GlobalTransaction;
/* GUC variable */
extern int max_prepared_xacts;
extern Size TwoPhaseShmemSize(void);
extern void TwoPhaseShmemInit(void);
extern PGPROC *TwoPhaseGetDummyProc(TransactionId xid);
extern BackendId TwoPhaseGetDummyBackendId(TransactionId xid);
extern GlobalTransaction MarkAsPreparing(TransactionId xid, const char *gid,
TimestampTz prepared_at,
Oid owner, Oid databaseid);
extern void StartPrepare(GlobalTransaction gxact);
extern void EndPrepare(GlobalTransaction gxact);
extern TransactionId PrescanPreparedTransactions(void);
extern void RecoverPreparedTransactions(void);
extern void RecreateTwoPhaseFile(TransactionId xid, void *content, int len);
extern void RemoveTwoPhaseFile(TransactionId xid, bool giveWarning);
extern void CheckPointTwoPhase(XLogRecPtr redo_horizon);
extern void FinishPreparedTransaction(const char *gid, bool isCommit);
#endif /* TWOPHASE_H */
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