allocator.hpp

/*
 * VecMem project, part of the ACTS project (R&D line)
 *
 * (c) 2021-2025 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"
#include "vecmem/vecmem_core_export.hpp"
 
// System include(s).
#include <cstddef>
 
namespace vecmem {
 
class VECMEM_CORE_EXPORT allocator {
public:
    explicit allocator(memory_resource& mem);
 
    void* allocate_bytes(std::size_t bytes,
                         std::size_t alignment = alignof(std::max_align_t));
 
    void deallocate_bytes(void* p, std::size_t bytes,
                          std::size_t alignment = alignof(std::max_align_t));
 
    template <typename T>
    T* allocate_object(std::size_t n = 1);
 
    template <typename T>
    void deallocate_object(T* p, std::size_t n = 1);
 
    template <typename T, typename... Args>
    T* new_object(Args&&... args);
 
    template <typename T>
    void delete_object(T* p);
 
private:
    memory_resource& m_mem;
 
};  // class allocator
 
}  // namespace vecmem
 
// Include the implementation.
#include "vecmem/memory/impl/allocator.ipp"