IdleService.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/Foundation/Function.hpp"
#include "CeresEngine/Foundation/Container/List.hpp"
#include "CeresEngine/Foundation/Threading/ExecutionContext.hpp"
 
namespace CeresEngine {
 
    class IdleService final : public ExecutionContext::Service<IdleService> {
    private:
        List<UniqueFunction<void()>> mQueue;
 
    public:
        using Service::Service;
 
        template<typename Function> void post(Function&& function) { mQueue.emplace_back(std::forward<Function>(function)); }
 
        void poll();
 
    private:
        void shutdown() final;
    };
 
    template<typename ExecutionContext, ASIO_COMPLETION_TOKEN_FOR(void()) CompletionToken>
    inline ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, void()) idle(ExecutionContext& context, ASIO_MOVE_ARG(CompletionToken) token) {
        asio::use_service<IdleService>(context).post(std::move(token));
    }
 
} // namespace CeresEngine