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 <CL/sycl/detail/defines.hpp>
 
#include <functional>
#include <mutex>
 
__SYCL_INLINE_NAMESPACE(cl) {
namespace sycl {
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();
    }
  };
}
}
}