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New alloc set code using a memory block pool for small allocations.

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Jan
This commit is contained in:
Jan Wieck
1999-02-06 16:50:34 +00:00
parent 7d2b3874aa
commit ead64f317b
13 changed files with 1666 additions and 314 deletions
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11
src/backend/utils/mmgr/mcxt.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.10 1998/09/01 04:33:36 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.11 1999/02/06 16:50:26 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@@ -103,10 +103,11 @@ static struct MemoryContextMethodsData GlobalContextMethodsData = {
*/
/* extern bool EqualGlobalMemory(); */
static struct GlobalMemory TopGlobalMemoryData = {
static struct GlobalMemoryData TopGlobalMemoryData = {
T_GlobalMemory, /* NodeTag tag */
&GlobalContextMethodsData, /* ContextMethods method */
{{0}}, /* uninitialized OrderedSetData allocSetD */
{ NULL, { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }},
/* free AllocSet */
"TopGlobal", /* char* name */
{0} /* uninitialized OrderedElemData elemD */
};
@@ -162,7 +163,7 @@ EnableMemoryContext(bool on)
/* make TopGlobalMemoryData member of ActiveGlobalMemorySet */
OrderedSetInit(ActiveGlobalMemorySet,
offsetof(struct GlobalMemory, elemData));
offsetof(struct GlobalMemoryData, elemData));
OrderedElemPushInto(&TopGlobalMemoryData.elemData,
ActiveGlobalMemorySet);
@@ -371,7 +372,7 @@ CreateGlobalMemory(char *name) /* XXX MemoryContextName */
savecxt = MemoryContextSwitchTo(TopMemoryContext);
context = (GlobalMemory) newNode(sizeof(struct GlobalMemory), T_GlobalMemory);
context = (GlobalMemory) newNode(sizeof(struct GlobalMemoryData), T_GlobalMemory);
context->method = &GlobalContextMethodsData;
context->name = name; /* assumes name is static */
AllocSetInit(&context->setData, DynamicAllocMode, (Size) 0);