Mercurial > hg > vamp-build-and-test
comparison DEPENDENCIES/generic/include/boost/asio/detail/atomic_count.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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15:663ca0da4350 | 16:2665513ce2d3 |
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1 // | |
2 // detail/atomic_count.hpp | |
3 // ~~~~~~~~~~~~~~~~~~~~~~~ | |
4 // | |
5 // Copyright (c) 2003-2013 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_DETAIL_ATOMIC_COUNT_HPP | |
12 #define BOOST_ASIO_DETAIL_ATOMIC_COUNT_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_THREADS) | |
21 // Nothing to include. | |
22 #elif defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
23 # include <atomic> | |
24 #else // defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
25 # include <boost/detail/atomic_count.hpp> | |
26 #endif // defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
27 | |
28 namespace boost { | |
29 namespace asio { | |
30 namespace detail { | |
31 | |
32 #if !defined(BOOST_ASIO_HAS_THREADS) | |
33 typedef long atomic_count; | |
34 inline void increment(atomic_count& a, long b) { a += b; } | |
35 #elif defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
36 typedef std::atomic<long> atomic_count; | |
37 inline void increment(atomic_count& a, long b) { a += b; } | |
38 #else // defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
39 typedef boost::detail::atomic_count atomic_count; | |
40 inline void increment(atomic_count& a, long b) { while (b > 0) ++a, --b; } | |
41 #endif // defined(BOOST_ASIO_HAS_STD_ATOMIC) | |
42 | |
43 } // namespace detail | |
44 } // namespace asio | |
45 } // namespace boost | |
46 | |
47 #endif // BOOST_ASIO_DETAIL_ATOMIC_COUNT_HPP |