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30 lines
867 B
C
30 lines
867 B
C
/*-------------------------------------------------------------------------
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*
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* sinval.h
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* POSTGRES shared cache invalidation communication definitions.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: sinval.h,v 1.10 1999/02/13 23:22:10 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef SINVAL_H
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#define SINVAL_H
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#include <storage/itemptr.h>
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#include <storage/spin.h>
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extern SPINLOCK SInvalLock;
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extern void CreateSharedInvalidationState(IPCKey key);
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extern void AttachSharedInvalidationState(IPCKey key);
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extern void InitSharedInvalidationState(void);
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extern void RegisterSharedInvalid(int cacheId, Index hashIndex,
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ItemPointer pointer);
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extern void InvalidateSharedInvalid(void (*invalFunction) (),
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void (*resetFunction) ());
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#endif /* SINVAL_H */
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