Program Listing for File ThreadSafeAllocator.hpp¶
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//////////////////////////////////////////////////////////////////////////////
// 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_ThreadSafeAllocator_HPP
#define UMPIRE_ThreadSafeAllocator_HPP
#include <mutex>
#include "umpire/Allocator.hpp"
#include "umpire/strategy/AllocationStrategy.hpp"
namespace umpire {
namespace strategy {
/*!
*
* \brief Make an Allocator thread safe
*
* Using this AllocationStrategy will make the provided allocator thread-safe
* by syncronizing access to the allocators interface.
*/
class ThreadSafeAllocator :
public AllocationStrategy
{
public:
ThreadSafeAllocator(
const std::string& name,
int id,
Allocator allocator);
void* allocate(std::size_t bytes);
void deallocate(void* ptr);
std::size_t getCurrentSize() const noexcept;
std::size_t getHighWatermark() const noexcept;
Platform getPlatform() noexcept;
protected:
strategy::AllocationStrategy* m_allocator;
std::mutex m_mutex;
};
} // end of namespace strategy
} // end of namespace umpire
#endif // UMPIRE_ThreadSafeAllocator_HPP