1//
2// deadline_timer.hpp
3// ~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6//
7// Distributed under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9//
10
11#ifndef BOOST_ASIO_DEADLINE_TIMER_HPP
12#define BOOST_ASIO_DEADLINE_TIMER_HPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1200)
15# pragma once
16#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17
18#include <boost/asio/detail/config.hpp>
19
20#if defined(BOOST_ASIO_HAS_BOOST_DATE_TIME) \
21 || defined(GENERATING_DOCUMENTATION)
22
23#include <boost/asio/detail/socket_types.hpp> // Must come before posix_time.
24#include <boost/asio/basic_deadline_timer.hpp>
25
26#include <boost/date_time/posix_time/posix_time_types.hpp>
27
28namespace boost {
29namespace asio {
30
31/// Typedef for the typical usage of timer. Uses a UTC clock.
32typedef basic_deadline_timer<boost::posix_time::ptime> deadline_timer;
33
34} // namespace asio
35} // namespace boost
36
37#endif // defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
38 // || defined(GENERATING_DOCUMENTATION)
39
40#endif // BOOST_ASIO_DEADLINE_TIMER_HPP
41

source code of boost/libs/asio/include/boost/asio/deadline_timer.hpp