diff options
| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1997-01-16 07:53:27 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1997-01-16 07:53:27 +0000 |
| commit | 5abfe1484ac75b16f2c387ae91713624220ee923 (patch) | |
| tree | fe5e87ac4086507fa43174966a147d68458c70f6 /src | |
| parent | 9e41af2e74966897372013d9e1b0755800a668b6 (diff) | |
SetBufferWriteMode () added; FlushLocalBuffer () fixed (shouldn't
release buffer if called from WriteNoReleaseBuffer ())
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/storage/buf_internals.h | 4 | ||||
| -rw-r--r-- | src/include/storage/bufmgr.h | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/src/include/storage/buf_internals.h b/src/include/storage/buf_internals.h index 963c887ebc8..4ffe4ae22b3 100644 --- a/src/include/storage/buf_internals.h +++ b/src/include/storage/buf_internals.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: buf_internals.h,v 1.7 1996/12/04 03:06:27 bryanh Exp $ + * $Id: buf_internals.h,v 1.8 1997/01/16 07:53:26 vadim Exp $ * * NOTE * If BUFFERPAGE0 is defined, then 0 will be used as a @@ -200,7 +200,7 @@ extern int NLocBuffer; extern BufferDesc *LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr); extern int WriteLocalBuffer(Buffer buffer, bool release); -extern int FlushLocalBuffer(Buffer buffer); +extern int FlushLocalBuffer(Buffer buffer, bool release); extern void InitLocalBuffer(void); extern void LocalBufferSync(void); extern void ResetLocalBufferPool(void); diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 0a659624f87..e4e376e000d 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: bufmgr.h,v 1.8 1997/01/14 05:36:15 vadim Exp $ + * $Id: bufmgr.h,v 1.9 1997/01/16 07:53:27 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -63,6 +63,12 @@ typedef bits16 BufferLock; extern int ShowPinTrace; /* + * BufferWriteModes (settable via SetBufferWriteMode) + */ +#define BUFFER_FLUSH_WRITE 0 /* immediate write */ +#define BUFFER_LATE_WRITE 1 /* delayed write: mark as DIRTY */ + +/* * prototypes for functions in bufmgr.c */ extern Buffer RelationGetBufferWithBuffer(Relation relation, @@ -107,6 +113,7 @@ extern int ReleaseAndReadBuffer_Debug(char *file, BlockNumber blockNum); extern void BufferRefCountReset(int *refcountsave); extern void BufferRefCountRestore(int *refcountsave); +extern int SetBufferWriteMode (int mode); #endif /* !defined(BufMgrIncluded) */ |