contiguous_memory_resource_impl.hpp

/*
 * VecMem project, part of the ACTS project (R&D line)
 *
 * (c) 2021-2023 CERN for the benefit of the ACTS project
 *
 * Mozilla Public License Version 2.0
 */
 
#pragma once
 
// Local include(s).
#include "vecmem/memory/memory_resource.hpp"
 
// System include(s).
#include <cstddef>
 
namespace vecmem::details {

class contiguous_memory_resource_impl {
 
public:
    contiguous_memory_resource_impl(memory_resource& upstream,
                                    std::size_t size);
    ~contiguous_memory_resource_impl();

    void* allocate(std::size_t size, std::size_t alignment);
    void deallocate(void* ptr, std::size_t size, std::size_t alignment);
 
private:
    memory_resource& m_upstream;
    const std::size_t m_size;
    char* const m_begin;
    char* m_next;
 
};  // class contiguous_memory_resource_impl
 
}  // namespace vecmem::details