greenplumn CMemoryPoolPallocManager 代码
文件路径：/src/include/gpopt/utils/CMemoryPoolPallocManager.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2019 VMware, Inc. or its affiliates.
/
/ @filename:
/ CMemoryPoolPallocManager.h
/
/ @doc:
/ MemoryPoolManager implementation that creates
/ CMemoryPoolPalloc memory pools
/
/---------------------------------------------------------------------------
#ifndef GPDXL_CMemoryPoolPallocManager_H
#define GPDXL_CMemoryPoolPallocManager_H
#include "gpos/base.h"
#include "gpos/memory/CMemoryPoolManager.h"
namespace gpos
{
/ memory pool manager that uses GPDB memory contexts
class CMemoryPoolPallocManager : public CMemoryPoolManager
{
private:
public:
CMemoryPoolPallocManager(const CMemoryPoolPallocManager &) = delete;
/ ctor
CMemoryPoolPallocManager(CMemoryPool *internal,
EMemoryPoolType memory_pool_type);
/ allocate new memorypool
CMemoryPool *NewMemoryPool() override;
/ free allocation
void DeleteImpl(void *ptr, CMemoryPool::EAllocationType eat) override;
/ get user requested size of allocation
ULONG UserSizeOfAlloc(const void *ptr) override;
static GPOS_RESULT Init();
};
} / namespace gpos
#endif / !GPDXL_CMemoryPoolPallocManager_H
/ EOF
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