]>
Commit | Line | Data |
---|---|---|
1e59de90 TL |
1 | // atomic_tools.hpp ------------------------------------------------------------------// |
2 | ||
3 | // Copyright 2021 Andrey Semashev | |
4 | ||
5 | // Distributed under the Boost Software License, Version 1.0. | |
6 | // See http://www.boost.org/LICENSE_1_0.txt | |
7 | ||
8 | // See library home page at http://www.boost.org/libs/filesystem | |
9 | ||
10 | //--------------------------------------------------------------------------------------// | |
11 | ||
12 | #ifndef BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_ | |
13 | #define BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_ | |
14 | ||
15 | #include <boost/filesystem/config.hpp> | |
16 | ||
17 | #if !defined(BOOST_FILESYSTEM_SINGLE_THREADED) | |
18 | ||
19 | #include "atomic_ref.hpp" | |
20 | ||
21 | namespace boost { | |
22 | namespace filesystem { | |
23 | namespace detail { | |
24 | ||
25 | //! Atomically loads the value | |
26 | template< typename T > | |
27 | BOOST_FORCEINLINE T atomic_load_relaxed(T& a) | |
28 | { | |
29 | return atomic_ns::atomic_ref< T >(a).load(atomic_ns::memory_order_relaxed); | |
30 | } | |
31 | ||
32 | //! Atomically stores the value | |
33 | template< typename T > | |
34 | BOOST_FORCEINLINE void atomic_store_relaxed(T& a, T val) | |
35 | { | |
36 | atomic_ns::atomic_ref< T >(a).store(val, atomic_ns::memory_order_relaxed); | |
37 | } | |
38 | ||
39 | } // namespace detail | |
40 | } // namespace filesystem | |
41 | } // namespace boost | |
42 | ||
43 | #else // !defined(BOOST_FILESYSTEM_SINGLE_THREADED) | |
44 | ||
45 | namespace boost { | |
46 | namespace filesystem { | |
47 | namespace detail { | |
48 | ||
49 | //! Atomically loads the value | |
50 | template< typename T > | |
51 | BOOST_FORCEINLINE T atomic_load_relaxed(T const& a) | |
52 | { | |
53 | return a; | |
54 | } | |
55 | ||
56 | //! Atomically stores the value | |
57 | template< typename T > | |
58 | BOOST_FORCEINLINE void atomic_store_relaxed(T& a, T val) | |
59 | { | |
60 | a = val; | |
61 | } | |
62 | ||
63 | } // namespace detail | |
64 | } // namespace filesystem | |
65 | } // namespace boost | |
66 | ||
67 | #endif // !defined(BOOST_FILESYSTEM_SINGLE_THREADED) | |
68 | ||
69 | #endif // BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_ |