/*

* Copyright (C) 2016 - 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.

*/

#include <vector>

#include "Task.hpp"

class HugePageUnmap: public Task

{

public:

    HugePageUnmap(int operations, bool touch_memory, size_t alignment_size,

                  size_t alloc_size, hbw_pagesize_t page_size) :

        mem_operations_num(operations),

        touch_memory(touch_memory),

        alignment_size(alignment_size),

        alloc_size(alloc_size),

        page_size(page_size)

    {}

    ~HugePageUnmap()

    {

        for(int i=0; i

            hbw_free(results[i].ptr);

        }

    };

    void run()

    {

        void *ptr = NULL;

        for(int i=0; i

            int ret = hbw_posix_memalign_psize(&ptr, alignment_size, alloc_size, page_size);

            ASSERT_EQ(ret, 0);

            ASSERT_FALSE(ptr == NULL);

            if(touch_memory) {

                memset(ptr, alignment_size, alignment_size);

            }

            memory_operation data;

            data.ptr = ptr;

            results.push_back(data);

        }

    }

    std::vector<memory_operation> get_results()

    {

        return results;

    }

private:

    int mem_operations_num;

    std::vector<memory_operation> results;

    bool touch_memory;

    size_t alignment_size;

    size_t alloc_size;

    hbw_pagesize_t page_size;

};