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| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED |
| 2 | #define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED | |
| 3 | ||
| 4 | // MS compatible compilers support #pragma once | |
| 5 | ||
| 6 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
| 7 | # pragma once | |
| 8 | #endif | |
| 9 | ||
| 10 | // | |
| 11 | // boost/detail/atomic_count_win32.hpp | |
| 12 | // | |
| 13 | // Copyright (c) 2001-2005 Peter Dimov | |
| 14 | // | |
| 15 | // Distributed under the Boost Software License, Version 1.0. (See | |
| 16 | // accompanying file LICENSE_1_0.txt or copy at | |
| 17 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 18 | // | |
| 19 | ||
| 20 | #include <boost/smart_ptr/detail/sp_interlocked.hpp> | |
| 21 | ||
| 22 | namespace boost | |
| 23 | { | |
| 24 | ||
| 25 | namespace detail | |
| 26 | { | |
| 27 | ||
| 28 | class atomic_count | |
| 29 | { | |
| 30 | public: | |
| 31 | ||
| 32 | explicit atomic_count( long v ): value_( v ) | |
| 33 | { | |
| 34 | } | |
| 35 | ||
| 36 | long operator++() | |
| 37 | { | |
| 38 | return BOOST_SP_INTERLOCKED_INCREMENT( &value_ ); | |
| 39 | } | |
| 40 | ||
| 41 | long operator--() | |
| 42 | { | |
| 43 | return BOOST_SP_INTERLOCKED_DECREMENT( &value_ ); | |
| 44 | } | |
| 45 | ||
| 46 | operator long() const | |
| 47 | { | |
| 48 | return static_cast<long const volatile &>( value_ ); | |
| 49 | } | |
| 50 | ||
| 51 | private: | |
| 52 | ||
| 53 | atomic_count( atomic_count const & ); | |
| 54 | atomic_count & operator=( atomic_count const & ); | |
| 55 | ||
| 56 | long value_; | |
| 57 | }; | |
| 58 | ||
| 59 | } // namespace detail | |
| 60 | ||
| 61 | } // namespace boost | |
| 62 | ||
| 63 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED |