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# Source listing for Timer.3

    //
    // timer.cpp
    // ~~~~~~~~~
    //
    // Copyright (c) 2003-2007 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 <asio.hpp>
    #include <boost/bind.hpp>
    #include <boost/date_time/posix_time/posix_time.hpp>

    void print(const asio::error_code& /*e*/,
        asio::deadline_timer* t, int* count)
    {
      if (*count < 5)
      {
        std::cout << *count << "\n";
        ++(*count);

        t->expires_at(t->expires_at() + boost::posix_time::seconds(1));
        t->async_wait(boost::bind(print,
              asio::placeholders::error, t, count));
      }
    }

    int main()
    {
      asio::io_service io;

      int count = 0;
      asio::deadline_timer t(io, boost::posix_time::seconds(1));
      t.async_wait(boost::bind(print,
            asio::placeholders::error, &t, &count));

      io.run();

      std::cout << "Final count is " << count << "\n";

      return 0;
    }

Return to Timer.3 - Binding arguments to a handler

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