#ifndef TWOPHASE_H
#define TWOPHASE_H
#include "access/xact.h"
#include "access/xlogdefs.h"
#include "datatype/timestamp.h"
#include "storage/lock.h"
typedef struct GlobalTransactionData *GlobalTransaction;
extern PGDLLIMPORT int max_prepared_xacts;
extern Size TwoPhaseShmemSize(void);
extern void TwoPhaseShmemInit(void);
extern void AtAbort_Twophase(void);
extern void PostPrepare_Twophase(void);
extern TransactionId TwoPhaseGetXidByVirtualXID(VirtualTransactionId vxid,
bool *have_more);
extern PGPROC *TwoPhaseGetDummyProc(TransactionId xid, bool lock_held);
extern int TwoPhaseGetDummyProcNumber(TransactionId xid, bool lock_held);
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 bool StandbyTransactionIdIsPrepared(TransactionId xid);
extern TransactionId PrescanPreparedTransactions(TransactionId **xids_p,
int *nxids_p);
extern void StandbyRecoverPreparedTransactions(void);
extern void RecoverPreparedTransactions(void);
extern void CheckPointTwoPhase(XLogRecPtr redo_horizon);
extern void FinishPreparedTransaction(const char *gid, bool isCommit);
extern void PrepareRedoAdd(char *buf, XLogRecPtr start_lsn,
XLogRecPtr end_lsn, RepOriginId origin_id);
extern void PrepareRedoRemove(TransactionId xid, bool giveWarning);
extern void restoreTwoPhaseData(void);
extern bool LookupGXact(const char *gid, XLogRecPtr prepare_end_lsn,
TimestampTz origin_prepare_timestamp);
#endif