31 lines
1003 B
C
Executable File
31 lines
1003 B
C
Executable File
/*
|
|
* subtrans.h
|
|
*
|
|
* PostgreSQL subtransaction-log manager
|
|
*
|
|
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* src/include/access/subtrans.h
|
|
*/
|
|
#ifndef SUBTRANS_H
|
|
#define SUBTRANS_H
|
|
|
|
/* Number of SLRU buffers to use for subtrans */
|
|
#define NUM_SUBTRANS_BUFFERS 32
|
|
|
|
extern void SubTransSetParent(TransactionId xid, TransactionId parent, bool overwriteOK);
|
|
extern TransactionId SubTransGetParent(TransactionId xid);
|
|
extern TransactionId SubTransGetTopmostTransaction(TransactionId xid);
|
|
|
|
extern Size SUBTRANSShmemSize(void);
|
|
extern void SUBTRANSShmemInit(void);
|
|
extern void BootStrapSUBTRANS(void);
|
|
extern void StartupSUBTRANS(TransactionId oldestActiveXID);
|
|
extern void ShutdownSUBTRANS(void);
|
|
extern void CheckPointSUBTRANS(void);
|
|
extern void ExtendSUBTRANS(TransactionId newestXact);
|
|
extern void TruncateSUBTRANS(TransactionId oldestXact);
|
|
|
|
#endif /* SUBTRANS_H */
|