asio/example/cpp03/tutorial/timer2/timer.cpp
2019-02-17 19:59:39 -10:00

30 lines
583 B
C++

//
// timer.cpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2019 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>
void print(const boost::system::error_code& /*e*/)
{
std::cout << "Hello, world!" << std::endl;
}
int main()
{
boost::asio::io_context io;
boost::asio::steady_timer t(io, boost::asio::chrono::seconds(5));
t.async_wait(&print);
io.run();
return 0;
}