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SetBufferWriteMode () added; FlushLocalBuffer () fixed (shouldn't

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release buffer if called from WriteNoReleaseBuffer ())
This commit is contained in:
Vadim B. Mikheev 1997-01-16 07:53:27 +00:00
parent 9e41af2e74
commit 5abfe1484a
2 changed files with 10 additions and 3 deletions
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4
src/include/storage/buf_internals.h
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@ -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);

9
src/include/storage/bufmgr.h
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@ -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 $
*
*-------------------------------------------------------------------------
*/
@ -62,6 +62,12 @@ 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
*/
@ -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) */