text: // Copyright (c) 2012-2017, The CryptoNote developers, The Marcoin developers
  //
  // This file is part of Marcoin.
  //
  // Bytecoin is free software: you can redistribute it and/or modify
  // it under the terms of the GNU Lesser General Public License as published by
  // the Free Software Foundation, either version 3 of the License, or
  // (at your option) any later version.
  //
  // Bytecoin is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  // GNU Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public License
  // along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.
  
  #pragma once
  
  #include <chrono>
  
  namespace System {
  
  class Dispatcher;
  
  class Timer {
  public:
    Timer();
    explicit Timer(Dispatcher& dispatcher);
    Timer(const Timer&) = delete;
    Timer(Timer&& other);
    ~Timer();
    Timer& operator=(const Timer&) = delete;
    Timer& operator=(Timer&& other);
    void sleep(std::chrono::nanoseconds duration);
  
  private:
    Dispatcher* dispatcher;
    int timer;
    void* context;
  };
  
  }
  