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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 2000-10-20 11:01:21 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 2000-10-20 11:01:21 +0000 |
| commit | b58c0411bad414a5dbde8b38f615867c68adf55c (patch) | |
| tree | e50db15a8b3ea5dd2cf9d54ef433835bbdae1358 /src/include/storage/bufmgr.h | |
| parent | e18a862d46fa3169c238a6b4a98a783c9a7896f9 (diff) | |
| download | postgresql-b58c0411bad414a5dbde8b38f615867c68adf55c.tar.gz postgresql-b58c0411bad414a5dbde8b38f615867c68adf55c.zip | |
redo/undo support functions and cleanups.
Diffstat (limited to 'src/include/storage/bufmgr.h')
| -rw-r--r-- | src/include/storage/bufmgr.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 1a06953f513..551f98e75f9 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: bufmgr.h,v 1.40 2000/08/07 20:15:50 tgl Exp $ + * $Id: bufmgr.h,v 1.41 2000/10/20 11:01:21 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -44,6 +44,17 @@ extern int ShowPinTrace; #define BUFFER_LOCK_SHARE 1 #define BUFFER_LOCK_EXCLUSIVE 2 +#define UnlockAndReleaseBuffer(buffer) \ +( \ + LockBuffer(buffer, BUFFER_LOCK_UNLOCK), \ + ReleaseBuffer(buffer) \ +) + +#define UnlockAndWriteBuffer(buffer) \ +( \ + LockBuffer(buffer, BUFFER_LOCK_UNLOCK), \ + WriteBuffer(buffer) \ +) /* * BufferIsValid @@ -163,4 +174,7 @@ extern void UnlockBuffers(void); extern void LockBuffer(Buffer buffer, int mode); extern void AbortBufferIO(void); +extern bool BufferIsUpdatable(Buffer buffer); +extern void MarkBufferForCleanup(Buffer buffer, void (*CleanupFunc)(Buffer)); + #endif |