diff options
Diffstat (limited to 'src/include/storage/sinvaladt.h')
| -rw-r--r-- | src/include/storage/sinvaladt.h | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/src/include/storage/sinvaladt.h b/src/include/storage/sinvaladt.h index 22b073350df..606304ce317 100644 --- a/src/include/storage/sinvaladt.h +++ b/src/include/storage/sinvaladt.h @@ -7,15 +7,15 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: sinvaladt.h,v 1.26 2001/03/22 04:01:09 momjian Exp $ + * $Id: sinvaladt.h,v 1.27 2001/06/19 19:42:16 tgl Exp $ * *------------------------------------------------------------------------- */ #ifndef SINVALADT_H #define SINVALADT_H -#include "storage/itemptr.h" #include "storage/shmem.h" +#include "storage/sinval.h" /* * The shared cache invalidation manager is responsible for transmitting @@ -45,6 +45,9 @@ * large so that we don't need to do this often. It must be a multiple of * MAXNUMMESSAGES so that the existing circular-buffer entries don't need * to be moved when we do it. + * + * The struct type SharedInvalidationMessage, defining the contents of + * a single message, is defined in sinval.h. */ @@ -61,15 +64,6 @@ #define MAXNUMMESSAGES 4096 #define MSGNUMWRAPAROUND (MAXNUMMESSAGES * 4096) -/* The content of one shared-invalidation message */ -typedef struct SharedInvalidData -{ - int cacheId; /* XXX */ - Index hashIndex; - ItemPointerData pointerData; -} SharedInvalidData; - -typedef SharedInvalidData *SharedInvalid; /* Per-backend state in shared invalidation structure */ typedef struct ProcState @@ -83,7 +77,6 @@ typedef struct ProcState /* Shared cache invalidation memory segment */ typedef struct SISeg { - /* * General state information */ @@ -96,7 +89,7 @@ typedef struct SISeg /* * Circular buffer holding shared-inval messages */ - SharedInvalidData buffer[MAXNUMMESSAGES]; + SharedInvalidationMessage buffer[MAXNUMMESSAGES]; /* * Per-backend state info. @@ -117,9 +110,9 @@ extern SISeg *shmInvalBuffer; /* pointer to the shared inval buffer */ extern void SIBufferInit(int maxBackends); extern int SIBackendInit(SISeg *segP); -extern bool SIInsertDataEntry(SISeg *segP, SharedInvalidData *data); +extern bool SIInsertDataEntry(SISeg *segP, SharedInvalidationMessage *data); extern int SIGetDataEntry(SISeg *segP, int backendId, - SharedInvalidData *data); + SharedInvalidationMessage *data); extern void SIDelExpiredDataEntries(SISeg *segP); #endif /* SINVALADT_H */ |