Program Listing for File ZeroByteHandler.hpp¶
↰ Return to documentation for file (umpire/strategy/ZeroByteHandler.hpp
)
//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#ifndef UMPIRE_ZeroByteHandler_HPP
#define UMPIRE_ZeroByteHandler_HPP
#include <memory>
#include "umpire/Allocator.hpp"
#include "umpire/strategy/AllocationStrategy.hpp"
#include "umpire/strategy/FixedPool.hpp"
namespace umpire {
namespace strategy {
class ZeroByteHandler : public AllocationStrategy {
public:
ZeroByteHandler(std::unique_ptr<AllocationStrategy>&& allocator) noexcept;
void* allocate(std::size_t bytes) override;
void deallocate(void* ptr) override;
void release() override;
std::size_t getCurrentSize() const noexcept override;
std::size_t getHighWatermark() const noexcept override;
std::size_t getActualSize() const noexcept override;
Platform getPlatform() noexcept override;
MemoryResourceTraits getTraits() const noexcept override;
strategy::AllocationStrategy* getAllocationStrategy();
private:
std::unique_ptr<strategy::AllocationStrategy> m_allocator;
FixedPool* m_zero_byte_pool;
};
} // namespace strategy
} // namespace umpire
#endif // UMPIRE_ZeroByteHandler_HPP