greenplumn CMemoryPoolPallocManager 代码
文件路径：/src/backend/gpopt/utils/CMemoryPoolPallocManager.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2019 VMware, Inc. or its affiliates.
/
/ @filename:
/ CMemoryPoolPallocManager.cpp
/
/ @doc:
/ MemoryPoolManager implementation that creates
/ CMemoryPoolPalloc memory pools
/
/---------------------------------------------------------------------------
extern "C" {
#include "postgres.h"
#include "utils/memutils.h"
}
#include "gpopt/utils/CMemoryPoolPalloc.h"
#include "gpopt/utils/CMemoryPoolPallocManager.h"
using namespace gpos;
/ ctor
CMemoryPoolPallocManager::CMemoryPoolPallocManager(CMemoryPool *internal,
EMemoryPoolType)
: CMemoryPoolManager(internal, EMemoryPoolExternal)
{
}
/ create new memory pool
CMemoryPool *
CMemoryPoolPallocManager::NewMemoryPool()
{
return GPOS_NEW(GetInternalMemoryPool()) CMemoryPoolPalloc();
}
void
CMemoryPoolPallocManager::DeleteImpl(void *ptr,
CMemoryPool::EAllocationType eat)
{
CMemoryPoolPalloc::DeleteImpl(ptr, eat);
}
/ get user requested size of allocation
ULONG
CMemoryPoolPallocManager::UserSizeOfAlloc(const void *ptr)
{
return CMemoryPoolPalloc::UserSizeOfAlloc(ptr);
}
GPOS_RESULT
CMemoryPoolPallocManager::Init()
{
return CMemoryPoolManager::SetupGlobalMemoryPoolManager<
CMemoryPoolPallocManager, CMemoryPoolPalloc>();
}
/ EOF
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