projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
1 | /* |
| 2 | * Distributed under the Boost Software License, Version 1.0. | |
| 3 | * (See accompanying file LICENSE_1_0.txt or copy at | |
| 4 | * http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | * | |
| 6 | * Copyright (c) 2018 Andrey Semashev | |
| 7 | */ | |
| 8 | /*! | |
| 9 | * \file atomic/detail/type_traits/is_trivially_copyable.hpp | |
| 10 | * | |
| 11 | * This header defines \c is_trivially_copyable type trait | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_ | |
| 15 | #define BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_ | |
| 16 | ||
| 17 | #include <boost/atomic/detail/config.hpp> | |
| 18 | #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) | |
| 19 | #include <type_traits> | |
| 20 | #else | |
| 21 | // For std::is_trivially_copyable we require a genuine support from the compiler. | |
| 22 | // Fallback to is_pod or a false negative result in Boost.TypeTraits is not acceptable | |
| 23 | // as this trait will be used in a static assert and may deny valid uses of boost::atomic/atomic_ref. | |
| 24 | #define BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE | |
| 25 | #endif | |
| 26 | ||
| 27 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
| 28 | #pragma once | |
| 29 | #endif | |
| 30 | ||
| 31 | #if !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE) | |
| 32 | ||
| 33 | namespace boost { | |
| 34 | namespace atomics { | |
| 35 | namespace detail { | |
| 36 | ||
| 37 | using std::is_trivially_copyable; | |
| 38 | ||
| 39 | } // namespace detail | |
| 40 | } // namespace atomics | |
| 41 | } // namespace boost | |
| 42 | ||
| 43 | #endif // !defined(BOOST_ATOMIC_DETAIL_NO_CXX11_IS_TRIVIALLY_COPYABLE) | |
| 44 | ||
| 45 | #endif // BOOST_ATOMIC_DETAIL_TYPE_TRAITS_IS_TRIVIALLY_COPYABLE_HPP_INCLUDED_ |