1//
2// wait_traits.hpp
3// ~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 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_WAIT_TRAITS_HPP
12#define BOOST_ASIO_WAIT_TRAITS_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/push_options.hpp>
19
20namespace boost {
21namespace asio {
22
23/// Wait traits suitable for use with the basic_waitable_timer class template.
24template <typename Clock>
25struct wait_traits
26{
27 /// Convert a clock duration into a duration used for waiting.
28 /**
29 * @returns @c d.
30 */
31 static typename Clock::duration to_wait_duration(
32 const typename Clock::duration& d)
33 {
34 return d;
35 }
36};
37
38} // namespace asio
39} // namespace boost
40
41#include <boost/asio/detail/pop_options.hpp>
42
43#endif // BOOST_ASIO_WAIT_TRAITS_HPP
44