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- //
- // timer.cpp
- // ~~~~~~~~~
- //
- // Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- #include <iostream>
- #include <boost/asio.hpp>
- #include <boost/thread/thread.hpp>
- #include <boost/bind.hpp>
- #include <boost/date_time/posix_time/posix_time.hpp>
- class printer
- {
- public:
- printer(boost::asio::io_service& io)
- : strand_(io),
- timer1_(io, boost::posix_time::seconds(1)),
- timer2_(io, boost::posix_time::seconds(1)),
- count_(0)
- {
- timer1_.async_wait(strand_.wrap(boost::bind(&printer::print1, this)));
- timer2_.async_wait(strand_.wrap(boost::bind(&printer::print2, this)));
- }
- ~printer()
- {
- std::cout << "Final count is " << count_ << "n";
- }
- void print1()
- {
- if (count_ < 10)
- {
- std::cout << "Timer 1: " << count_ << "n";
- ++count_;
- timer1_.expires_at(timer1_.expires_at() + boost::posix_time::seconds(1));
- timer1_.async_wait(strand_.wrap(boost::bind(&printer::print1, this)));
- }
- }
- void print2()
- {
- if (count_ < 10)
- {
- std::cout << "Timer 2: " << count_ << "n";
- ++count_;
- timer2_.expires_at(timer2_.expires_at() + boost::posix_time::seconds(1));
- timer2_.async_wait(strand_.wrap(boost::bind(&printer::print2, this)));
- }
- }
- private:
- boost::asio::strand strand_;
- boost::asio::deadline_timer timer1_;
- boost::asio::deadline_timer timer2_;
- int count_;
- };
- int main()
- {
- boost::asio::io_service io;
- printer p(io);
- boost::thread t(boost::bind(&boost::asio::io_service::run, &io));
- io.run();
- t.join();
- return 0;
- }
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