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Diffstat (limited to 'src/backend/utils/mcxt.h')
| -rw-r--r-- | src/backend/utils/mcxt.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/backend/utils/mcxt.h b/src/backend/utils/mcxt.h deleted file mode 100644 index d10019166e..0000000000 --- a/src/backend/utils/mcxt.h +++ /dev/null @@ -1,56 +0,0 @@ -/*------------------------------------------------------------------------- - * - * mcxt.h-- - * POSTGRES memory context definitions. - * - * - * Copyright (c) 1994, Regents of the University of California - * - * $Id: mcxt.h,v 1.1.1.1 1996/07/09 06:22:02 scrappy Exp $ - * - *------------------------------------------------------------------------- - */ -#ifndef MCXT_H -#define MCXT_H - -#include "c.h" - -#include "nodes/memnodes.h" -#include "nodes/nodes.h" - -extern MemoryContext CurrentMemoryContext; -extern MemoryContext TopMemoryContext; - - -/* - * MaxAllocSize -- - * Arbitrary limit on size of allocations. - * - * Note: - * There is no guarantee that allocations smaller than MaxAllocSize - * will succeed. Allocation requests larger than MaxAllocSize will - * be summarily denied. - * - * This value should not be referenced except in one place in the code. - * - * XXX This should be defined in a file of tunable constants. - */ -#define MaxAllocSize (0xfffffff) /* 16G - 1 */ - -/* - * prototypes for functions in mcxt.c - */ -extern void EnableMemoryContext(bool on); -extern Pointer MemoryContextAlloc(MemoryContext context, Size size); -extern Pointer MemoryContextRealloc(MemoryContext context, - Pointer pointer, - Size size); -extern void MemoryContextFree(MemoryContext context, Pointer pointer); -extern char *MemoryContextGetName(MemoryContext context); -extern Size PointerGetAllocSize(Pointer pointer); -extern MemoryContext MemoryContextSwitchTo(MemoryContext context); -extern GlobalMemory CreateGlobalMemory(char *name); -extern void GlobalMemoryDestroy(GlobalMemory context); - - -#endif /* MCXT_H */ |