/Users/deen/code/yugabyte-db/src/postgres/src/include/access/subtrans.h
Line | Count | Source |
1 | | /* |
2 | | * subtrans.h |
3 | | * |
4 | | * PostgreSQL subtransaction-log manager |
5 | | * |
6 | | * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group |
7 | | * Portions Copyright (c) 1994, Regents of the University of California |
8 | | * |
9 | | * src/include/access/subtrans.h |
10 | | */ |
11 | | #ifndef SUBTRANS_H |
12 | | #define SUBTRANS_H |
13 | | |
14 | | /* Number of SLRU buffers to use for subtrans */ |
15 | 7.22k | #define NUM_SUBTRANS_BUFFERS 32 |
16 | | |
17 | | extern void SubTransSetParent(TransactionId xid, TransactionId parent); |
18 | | extern TransactionId SubTransGetParent(TransactionId xid); |
19 | | extern TransactionId SubTransGetTopmostTransaction(TransactionId xid); |
20 | | |
21 | | extern Size SUBTRANSShmemSize(void); |
22 | | extern void SUBTRANSShmemInit(void); |
23 | | extern void BootStrapSUBTRANS(void); |
24 | | extern void StartupSUBTRANS(TransactionId oldestActiveXID); |
25 | | extern void ShutdownSUBTRANS(void); |
26 | | extern void CheckPointSUBTRANS(void); |
27 | | extern void ExtendSUBTRANS(TransactionId newestXact); |
28 | | extern void TruncateSUBTRANS(TransactionId oldestXact); |
29 | | |
30 | | #endif /* SUBTRANS_H */ |