sinval.h
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- /*-------------------------------------------------------------------------
- *
- * sinval.h
- * POSTGRES shared cache invalidation communication definitions.
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: sinval.h,v 1.11.2.1 1999/07/30 17:07:17 scrappy Exp $
- *
- *-------------------------------------------------------------------------
- */
- #ifndef SINVAL_H
- #define SINVAL_H
- #include "storage/itemptr.h"
- #include "storage/spin.h"
- extern SPINLOCK SInvalLock;
- extern void CreateSharedInvalidationState(IPCKey key, int maxBackends);
- extern void AttachSharedInvalidationState(IPCKey key);
- extern void InitSharedInvalidationState(void);
- extern void RegisterSharedInvalid(int cacheId, Index hashIndex,
- ItemPointer pointer);
- extern void InvalidateSharedInvalid(void (*invalFunction) (),
- void (*resetFunction) ());
- #endif /* SINVAL_H */