// SPDX-License-Identifier: BSD-2-Clause

/* Copyright (C) 2017 - 2020 Intel Corporation. */

#pragma once

#include <memkind.h>

#include <new>

class MemoryManager

{

private:

    memkind_t kind;

    size_t memory_size;

    void *memory_pointer;

    void move(MemoryManager &&other)

    {

        kind = other.kind;

        memory_size = other.memory_size;

        if (memory_pointer)

            memkind_free(kind, memory_pointer);

        memory_pointer = std::move(other.memory_pointer);

        other.memory_pointer = nullptr;

    }

public:

    MemoryManager(memkind_t kind, size_t size) :

        kind(kind),

        memory_size(size),

        memory_pointer(memkind_malloc(kind, size))

    {

        if(!memory_pointer) {

            throw std::bad_alloc();

        }

    }

    size_t size()

    {

        return memory_size;

    }

    MemoryManager(const MemoryManager &) = delete;

    MemoryManager(MemoryManager &&other)

    {

        move(std::move(other));

    }

    MemoryManager &operator=(MemoryManager &&other)

    {

        move(std::move(other));

        return *this;

    }

    ~MemoryManager()

    {

        if (memory_pointer)

            memkind_free(kind, memory_pointer);

    }

};