/*

 * Copyright (C) 2017 - 2018 Intel Corporation.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 1. Redistributions of source code must retain the above copyright notice(s),

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice(s),

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO

 * EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#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);

    }

};