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27642d8908
This reverts commit 95c5acb3fc (v17) and
counterparts in each other non-master branch. If released, that commit
would have caused a worst-in-years minor release regression, via
undetected LWLock self-deadlock. This commit and its self-deadlock fix
warrant more bake time in the master branch.
Reported by Alexander Lakhin.
Discussion: https://postgr.es/m/10ec0bc3-5933-1189-6bb8-5dec4114558e@gmail.com
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* inval.h
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* POSTGRES cache invalidation dispatcher definitions.
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*
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*
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* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/utils/inval.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef INVAL_H
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#define INVAL_H
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#include "access/htup.h"
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#include "storage/relfilenode.h"
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#include "utils/relcache.h"
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extern PGDLLIMPORT int debug_discard_caches;
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typedef void (*SyscacheCallbackFunction) (Datum arg, int cacheid, uint32 hashvalue);
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typedef void (*RelcacheCallbackFunction) (Datum arg, Oid relid);
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extern void AcceptInvalidationMessages(void);
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extern void AtEOXact_Inval(bool isCommit);
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extern void AtEOSubXact_Inval(bool isCommit);
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extern void PostPrepare_Inval(void);
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extern void CommandEndInvalidationMessages(void);
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extern void CacheInvalidateHeapTuple(Relation relation,
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HeapTuple tuple,
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HeapTuple newtuple);
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extern void CacheInvalidateCatalog(Oid catalogId);
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extern void CacheInvalidateRelcache(Relation relation);
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extern void CacheInvalidateRelcacheAll(void);
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extern void CacheInvalidateRelcacheByTuple(HeapTuple classTuple);
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extern void CacheInvalidateRelcacheByRelid(Oid relid);
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extern void CacheInvalidateSmgr(RelFileNodeBackend rnode);
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extern void CacheInvalidateRelmap(Oid databaseId);
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extern void CacheRegisterSyscacheCallback(int cacheid,
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SyscacheCallbackFunction func,
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Datum arg);
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extern void CacheRegisterRelcacheCallback(RelcacheCallbackFunction func,
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Datum arg);
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extern void CallSyscacheCallbacks(int cacheid, uint32 hashvalue);
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extern void InvalidateSystemCaches(void);
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extern void InvalidateSystemCachesExtended(bool debug_discard);
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extern void LogLogicalInvalidations(void);
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#endif /* INVAL_H */
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