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1 | #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED |
2 | #define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED | |
3 | ||
4 | // | |
5 | // boost/detail/atomic_count_nt.hpp | |
6 | // | |
7 | // Trivial atomic_count for the single-threaded case | |
8 | // | |
9 | // http://gcc.gnu.org/onlinedocs/porting/Thread-safety.html | |
10 | // | |
11 | // Copyright 2013 Peter Dimov | |
12 | // | |
13 | // Distributed under the Boost Software License, Version 1.0. | |
14 | // See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt | |
16 | // | |
17 | ||
18 | namespace boost | |
19 | { | |
20 | ||
21 | namespace detail | |
22 | { | |
23 | ||
24 | class atomic_count | |
25 | { | |
26 | public: | |
27 | ||
28 | explicit atomic_count( long v ): value_( v ) | |
29 | { | |
30 | } | |
31 | ||
32 | long operator++() | |
33 | { | |
34 | return ++value_; | |
35 | } | |
36 | ||
37 | long operator--() | |
38 | { | |
39 | return --value_; | |
40 | } | |
41 | ||
42 | operator long() const | |
43 | { | |
44 | return value_; | |
45 | } | |
46 | ||
47 | private: | |
48 | ||
49 | atomic_count(atomic_count const &); | |
50 | atomic_count & operator=(atomic_count const &); | |
51 | ||
52 | long value_; | |
53 | }; | |
54 | ||
55 | } // namespace detail | |
56 | ||
57 | } // namespace boost | |
58 | ||
59 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED |