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1 | // |
2 | // system_timer.hpp | |
3 | // ~~~~~~~~~~~~~~~~ | |
4 | // | |
b32b8144 | 5 | // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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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_SYSTEM_TIMER_HPP | |
12 | #define BOOST_ASIO_SYSTEM_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 | ||
b32b8144 | 20 | #if defined(BOOST_ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION) |
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21 | |
22 | #include <boost/asio/basic_waitable_timer.hpp> | |
b32b8144 | 23 | #include <boost/asio/detail/chrono.hpp> |
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24 | |
25 | namespace boost { | |
26 | namespace asio { | |
27 | ||
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28 | /// Typedef for a timer based on the system clock. |
29 | /** | |
30 | * This typedef uses the C++11 @c <chrono> standard library facility, if | |
31 | * available. Otherwise, it may use the Boost.Chrono library. To explicitly | |
32 | * utilise Boost.Chrono, use the basic_waitable_timer template directly: | |
33 | * @code | |
34 | * typedef basic_waitable_timer<boost::chrono::system_clock> timer; | |
35 | * @endcode | |
36 | */ | |
37 | typedef basic_waitable_timer<chrono::system_clock> system_timer; | |
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38 | |
39 | } // namespace asio | |
40 | } // namespace boost | |
41 | ||
b32b8144 | 42 | #endif // defined(BOOST_ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION) |
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43 | |
44 | #endif // BOOST_ASIO_SYSTEM_TIMER_HPP |