mirror of
https://github.com/postgres/postgres.git
synced 2026-05-28 04:35:45 -04:00
9b5acad3f4
This removes all remaining uses of ShmemInitStruct() and ShmemInitHash() from built-in code. Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com> Reviewed-by: Matthias van de Meent <boekewurm+postgres@gmail.com> Reviewed-by: Daniel Gustafsson <daniel@yesql.se> Discussion: https://www.postgresql.org/message-id/CAExHW5vM1bneLYfg0wGeAa=52UiJ3z4vKd3AJ72X8Fw6k3KKrg@mail.gmail.com
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* twophase.h
|
|
* Two-phase-commit related declarations.
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* src/include/access/twophase.h
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef TWOPHASE_H
|
|
#define TWOPHASE_H
|
|
|
|
#include "access/xact.h"
|
|
#include "access/xlogdefs.h"
|
|
#include "datatype/timestamp.h"
|
|
|
|
/*
|
|
* forward references in this file
|
|
*/
|
|
typedef struct PGPROC PGPROC;
|
|
typedef struct VirtualTransactionId VirtualTransactionId;
|
|
|
|
/*
|
|
* GlobalTransactionData is defined in twophase.c; other places have no
|
|
* business knowing the internal definition.
|
|
*/
|
|
typedef struct GlobalTransactionData *GlobalTransaction;
|
|
|
|
/* GUC variable */
|
|
extern PGDLLIMPORT int max_prepared_xacts;
|
|
|
|
extern void AtAbort_Twophase(void);
|
|
extern void PostPrepare_Twophase(void);
|
|
|
|
extern TransactionId TwoPhaseGetXidByVirtualXID(VirtualTransactionId vxid,
|
|
bool *have_more);
|
|
extern PGPROC *TwoPhaseGetDummyProc(FullTransactionId fxid, bool lock_held);
|
|
extern int TwoPhaseGetDummyProcNumber(FullTransactionId fxid, bool lock_held);
|
|
|
|
extern GlobalTransaction MarkAsPreparing(FullTransactionId fxid, 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(FullTransactionId fxid, char *buf,
|
|
XLogRecPtr start_lsn, XLogRecPtr end_lsn,
|
|
ReplOriginId 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);
|
|
|
|
extern void TwoPhaseTransactionGid(Oid subid, TransactionId xid, char *gid_res,
|
|
int szgid);
|
|
extern bool LookupGXactBySubid(Oid subid);
|
|
|
|
extern TransactionId TwoPhaseGetOldestXidInCommit(void);
|
|
|
|
#endif /* TWOPHASE_H */
|