44 lines
990 B
C++
44 lines
990 B
C++
//
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// timer.cpp
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// ~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include <iostream>
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#include <boost/asio.hpp>
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#include <boost/bind.hpp>
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void print(const boost::system::error_code& /*e*/,
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boost::asio::steady_timer* t, int* count)
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{
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if (*count < 5)
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{
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std::cout << *count << std::endl;
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++(*count);
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t->expires_at(t->expiry() + boost::asio::chrono::seconds(1));
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t->async_wait(boost::bind(print,
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boost::asio::placeholders::error, t, count));
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}
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}
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int main()
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{
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boost::asio::io_context io;
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int count = 0;
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boost::asio::steady_timer t(io, boost::asio::chrono::seconds(1));
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t.async_wait(boost::bind(print,
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boost::asio::placeholders::error, &t, &count));
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io.run();
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std::cout << "Final count is " << count << std::endl;
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return 0;
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}
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