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//
// timer.cpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2020 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/bind/bind.hpp>
void print(const boost::system::error_code& /*e*/,
boost::asio::steady_timer* t, int* count)
{
if (*count < 5)
{
std::cout << *count << std::endl;
++(*count);
t->expires_at(t->expiry() + boost::asio::chrono::seconds(1));
t->async_wait(boost::bind(print,
boost::asio::placeholders::error, t, count));
}
}
int main()
{
boost::asio::io_context io;
int count = 0;
boost::asio::steady_timer t(io, boost::asio::chrono::seconds(1));
t.async_wait(boost::bind(print,
boost::asio::placeholders::error, &t, &count));
io.run();
std::cout << "Final count is " << count << std::endl;
return 0;
}
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