threadsafety.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <mutex>
#include "task.h"
#include "context.h"
 
namespace LC::Util
{
    template<typename>
    struct ThreadSafetyExtension
    {
        static constexpr bool IsLockingHandler = true;
        static constexpr bool IsThreadSafe = true;
 
        mutable std::mutex Mutex_;
 
        void lock () const
        {
            Mutex_.lock ();
        }
 
        void unlock () const
        {
            Mutex_.unlock ();
        }
    };
 
    template<typename T = void>
    using ThreadSafeTask = Task<T, ThreadSafetyExtension>;
 
    template<typename T = void>
    using ThreadSafeContextTask = Task<T, ThreadSafetyExtension, ContextExtension>;
 
    template<typename T>
    concept IsThreadSafe = requires { T::IsThreadSafe; };
}