locked.hpp

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//==---------------- locked.hpp - Reference with lock -----------*- C++-*---==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#pragma once
 
#include <sycl/detail/defines.hpp>
 
#include <functional>
#include <mutex>
 
namespace sycl {
inline namespace _V1 {
namespace detail {
template <typename T> class Locked {
  std::reference_wrapper<T> m_Value;
  std::unique_lock<std::mutex> m_Lock;
 
public:
  Locked(T &v, std::mutex &mutex) : m_Value{v}, m_Lock{mutex} {}
 
  T &get() const { return m_Value.get(); }
};
} // namespace detail
} // namespace _V1
} // namespace sycl