36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
|
/*
|
||
|
* subtrans.h
|
||
|
*
|
||
|
* PostgreSQL subtrans-log manager
|
||
|
*
|
||
|
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
|
||
|
* Portions Copyright (c) 1994, Regents of the University of California
|
||
|
*
|
||
|
* $PostgreSQL: pgsql/src/include/access/subtrans.h,v 1.1 2004/07/01 00:51:38 tgl Exp $
|
||
|
*/
|
||
|
#ifndef SUBTRANS_H
|
||
|
#define SUBTRANS_H
|
||
|
|
||
|
#include "access/xlog.h"
|
||
|
|
||
|
/* exported because lwlock.c needs it */
|
||
|
/* cannot be different from NUM_CLOG_BUFFERS without slru.c changes */
|
||
|
#define NUM_SUBTRANS_BUFFERS NUM_CLOG_BUFFERS
|
||
|
|
||
|
extern void SubTransSetParent(TransactionId xid, TransactionId parent);
|
||
|
extern TransactionId SubTransGetParent(TransactionId xid);
|
||
|
extern TransactionId SubTransGetTopmostTransaction(TransactionId xid);
|
||
|
extern bool SubTransXidsHaveCommonAncestor(TransactionId xid1, TransactionId xid2);
|
||
|
|
||
|
extern int SUBTRANSShmemSize(void);
|
||
|
extern void SUBTRANSShmemInit(void);
|
||
|
extern void BootStrapSUBTRANS(void);
|
||
|
extern void StartupSUBTRANS(void);
|
||
|
extern void ShutdownSUBTRANS(void);
|
||
|
extern void CheckPointSUBTRANS(void);
|
||
|
extern void ExtendSUBTRANS(TransactionId newestXact);
|
||
|
extern void TruncateSUBTRANS(TransactionId oldestXact);
|
||
|
extern void subtrans_zeropage_redo(int pageno);
|
||
|
|
||
|
#endif /* SUBTRANS_H */
|