diff options
Diffstat (limited to 'src/include/nodes/memnodes.h')
-rw-r--r-- | src/include/nodes/memnodes.h | 117 |
1 files changed, 60 insertions, 57 deletions
diff --git a/src/include/nodes/memnodes.h b/src/include/nodes/memnodes.h index 594bff6db42..1d5bced1f3c 100644 --- a/src/include/nodes/memnodes.h +++ b/src/include/nodes/memnodes.h @@ -1,21 +1,21 @@ /*------------------------------------------------------------------------- * * memnodes.h-- - * POSTGRES memory context node definitions. + * POSTGRES memory context node definitions. * * * Copyright (c) 1994, Regents of the University of California * - * $Id: memnodes.h,v 1.4 1996/11/04 07:59:34 scrappy Exp $ + * $Id: memnodes.h,v 1.5 1997/09/07 04:58:35 momjian Exp $ * * XXX the typedefs in this file are different from the other ???nodes.h; - * they are pointers to structures instead of the structures themselves. - * If you're wondering, this is plain laziness. I don't want to touch - * the memory context code which should be revamped altogether some day. - * - ay 10/94 + * they are pointers to structures instead of the structures themselves. + * If you're wondering, this is plain laziness. I don't want to touch + * the memory context code which should be revamped altogether some day. + * - ay 10/94 *------------------------------------------------------------------------- */ -#ifndef MEMNODES_H +#ifndef MEMNODES_H #define MEMNODES_H #include <lib/fstack.h> @@ -24,75 +24,78 @@ /* * MemoryContext -- - * A logical context in which memory allocations occur. + * A logical context in which memory allocations occur. * * The types of memory contexts can be thought of as members of the * following inheritance hierarchy with properties summarized below. * - * Node - * | - * MemoryContext___ - * / \ - * GlobalMemory PortalMemoryContext - * / \ - * PortalVariableMemory PortalHeapMemory + * Node + * | + * MemoryContext___ + * / \ + * GlobalMemory PortalMemoryContext + * / \ + * PortalVariableMemory PortalHeapMemory * - * Flushed at Flushed at Checkpoints - * Transaction Portal - * Commit Close + * Flushed at Flushed at Checkpoints + * Transaction Portal + * Commit Close * - * GlobalMemory n n n - * PortalVariableMemory n y n - * PortalHeapMemory y y y + * GlobalMemory n n n + * PortalVariableMemory n y n + * PortalHeapMemory y y y */ -typedef struct MemoryContextMethodsData { - Pointer (*alloc)(); - void (*free_p)(); /* need to use free as a #define, - so can't use free */ - Pointer (*realloc)(); - char* (*getName)(); - void (*dump)(); -} *MemoryContextMethods; +typedef struct MemoryContextMethodsData +{ + Pointer(*alloc) (); + void (*free_p) (); /* need to use free as a #define, + * so can't use free */ + Pointer(*realloc) (); + char *(*getName) (); + void (*dump) (); +} *MemoryContextMethods; -typedef struct MemoryContext { - NodeTag type; - MemoryContextMethods method; -} *MemoryContext; +typedef struct MemoryContext +{ + NodeTag type; + MemoryContextMethods method; +} *MemoryContext; /* think about doing this right some time but we'll have explicit fields for now -ay 10/94 */ -typedef struct GlobalMemory { - NodeTag type; - MemoryContextMethods method; - AllocSetData setData; - char *name; - OrderedElemData elemData; -} *GlobalMemory; +typedef struct GlobalMemory +{ + NodeTag type; + MemoryContextMethods method; + AllocSetData setData; + char *name; + OrderedElemData elemData; +} *GlobalMemory; typedef MemoryContext *PortalMemoryContext; -typedef struct PortalVariableMemory { - NodeTag type; - MemoryContextMethods method; - AllocSetData setData; -} *PortalVariableMemory; +typedef struct PortalVariableMemory +{ + NodeTag type; + MemoryContextMethods method; + AllocSetData setData; +} *PortalVariableMemory; -typedef struct PortalHeapMemory { - NodeTag type; - MemoryContextMethods method; - Pointer block; - FixedStackData stackData; -} *PortalHeapMemory; +typedef struct PortalHeapMemory +{ + NodeTag type; + MemoryContextMethods method; + Pointer block; + FixedStackData stackData; +} *PortalHeapMemory; /* * MemoryContextIsValid -- - * True iff memory context is valid. + * True iff memory context is valid. */ #define MemoryContextIsValid(context) \ - (IsA(context,MemoryContext) || IsA(context,GlobalMemory) || \ - IsA(context,PortalVariableMemory) || IsA(context,PortalHeapMemory)) - -#endif /* MEMNODES_H */ - + (IsA(context,MemoryContext) || IsA(context,GlobalMemory) || \ + IsA(context,PortalVariableMemory) || IsA(context,PortalHeapMemory)) +#endif /* MEMNODES_H */ |