Thread.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef NAZARA_THREAD_HPP
#define NAZARA_THREAD_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/Functor.hpp>
#include <Nazara/Core/MovablePtr.hpp>
#include <iosfwd>

namespace Nz
{
    class String;
    class ThreadImpl;

    class NAZARA_CORE_API Thread
    {
        public:
            class Id;

            Thread();
            template<typename F> Thread(F function);
            template<typename F, typename... Args> Thread(F function, Args&&... args);
            template<typename C> Thread(void (C::*function)(), C* object);
            Thread(const Thread&) = delete;
            Thread(Thread&& other) noexcept = default;
            ~Thread();

            void Detach();
            Id GetId() const;
            bool IsJoinable() const;
            void Join();
            void SetName(const String& name);

            Thread& operator=(const Thread&) = delete;
            Thread& operator=(Thread&& thread) noexcept = default;

            static unsigned int HardwareConcurrency();
            static void SetCurrentThreadName(const String& name);
            static void Sleep(UInt32 milliseconds);

        private:
            void CreateImpl(Functor* functor);

            MovablePtr<ThreadImpl> m_impl;
    };

    class NAZARA_CORE_API Thread::Id
    {
        friend Thread;

        public:
            NAZARA_CORE_API friend bool operator==(const Id& lhs, const Id& rhs);
            NAZARA_CORE_API friend bool operator!=(const Id& lhs, const Id& rhs);
            NAZARA_CORE_API friend bool operator<(const Id& lhs, const Id& rhs);
            NAZARA_CORE_API friend bool operator<=(const Id& lhs, const Id& rhs);
            NAZARA_CORE_API friend bool operator>(const Id& lhs, const Id& rhs);
            NAZARA_CORE_API friend bool operator>=(const Id& lhs, const Id& rhs);

            NAZARA_CORE_API friend std::ostream& operator<<(std::ostream& o, const Id& id);

        private:
            Id(ThreadImpl* thread);

            ThreadImpl* m_id = nullptr;
    };
}

#include <Nazara/Core/Thread.inl>

#endif // NAZARA_THREAD_HPP