From 6eb9c5a5657d1fe77b55cc261450f3538d35a94d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:19:15 +0200 Subject: Adding upstream version 13.4. Signed-off-by: Daniel Baumann --- src/include/access/subtrans.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/include/access/subtrans.h (limited to 'src/include/access/subtrans.h') diff --git a/src/include/access/subtrans.h b/src/include/access/subtrans.h new file mode 100644 index 0000000..2bab8e2 --- /dev/null +++ b/src/include/access/subtrans.h @@ -0,0 +1,30 @@ +/* + * subtrans.h + * + * PostgreSQL subtransaction-log manager + * + * Portions Copyright (c) 1996-2020, 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); +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 */ -- cgit v1.2.3