init

db_include/utils/inval.h

@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ * inval.h
+ *	  POSTGRES cache invalidation dispatcher definitions.
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/inval.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef INVAL_H
+#define INVAL_H
+
+#include "access/htup.h"
+#include "storage/relfilenode.h"
+#include "utils/relcache.h"
+
+extern PGDLLIMPORT int debug_discard_caches;
+
+typedef void (*SyscacheCallbackFunction) (Datum arg, int cacheid, uint32 hashvalue);
+typedef void (*RelcacheCallbackFunction) (Datum arg, Oid relid);
+
+
+extern void AcceptInvalidationMessages(void);
+
+extern void AtEOXact_Inval(bool isCommit);
+
+extern void AtEOSubXact_Inval(bool isCommit);
+
+extern void PostPrepare_Inval(void);
+
+extern void CommandEndInvalidationMessages(void);
+
+extern void CacheInvalidateHeapTuple(Relation relation,
+									 HeapTuple tuple,
+									 HeapTuple newtuple);
+
+extern void CacheInvalidateCatalog(Oid catalogId);
+
+extern void CacheInvalidateRelcache(Relation relation);
+
+extern void CacheInvalidateRelcacheAll(void);
+
+extern void CacheInvalidateRelcacheByTuple(HeapTuple classTuple);
+
+extern void CacheInvalidateRelcacheByRelid(Oid relid);
+
+extern void CacheInvalidateSmgr(RelFileNodeBackend rnode);
+
+extern void CacheInvalidateRelmap(Oid databaseId);
+
+extern void CacheRegisterSyscacheCallback(int cacheid,
+										  SyscacheCallbackFunction func,
+										  Datum arg);
+
+extern void CacheRegisterRelcacheCallback(RelcacheCallbackFunction func,
+										  Datum arg);
+
+extern void CallSyscacheCallbacks(int cacheid, uint32 hashvalue);
+
+extern void InvalidateSystemCaches(void);
+extern void InvalidateSystemCachesExtended(bool debug_discard);
+
+extern void LogLogicalInvalidations(void);
+#endif							/* INVAL_H */