diff options
Diffstat (limited to 'src/include/storage/bufmgr.h')
| -rw-r--r-- | src/include/storage/bufmgr.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 0a659624f8..e4e376e000 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) */ |