| // Copyright (C) 2016-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do compile { target c++17 } } |
| |
| #include <atomic> |
| |
| using std::atomic; |
| |
| template<typename T> |
| constexpr bool check(int macro) |
| { |
| return std::atomic<T>::is_always_lock_free == (macro == 2); |
| } |
| |
| static_assert( check<bool>(ATOMIC_BOOL_LOCK_FREE) ); |
| static_assert( check<char>(ATOMIC_CHAR_LOCK_FREE) ); |
| static_assert( check<signed char>(ATOMIC_CHAR_LOCK_FREE) ); |
| static_assert( check<unsigned char>(ATOMIC_CHAR_LOCK_FREE) ); |
| static_assert( check<int>(ATOMIC_INT_LOCK_FREE) ); |
| static_assert( check<unsigned int>(ATOMIC_INT_LOCK_FREE) ); |
| static_assert( check<long>(ATOMIC_LONG_LOCK_FREE) ); |
| static_assert( check<unsigned long>(ATOMIC_LONG_LOCK_FREE) ); |
| static_assert( check<long long>(ATOMIC_LLONG_LOCK_FREE) ); |
| static_assert( check<unsigned long long>(ATOMIC_LLONG_LOCK_FREE) ); |
| static_assert( check<wchar_t>(ATOMIC_WCHAR_T_LOCK_FREE) ); |
| #ifdef _GLIBCXX_USE_CHAR8_T |
| static_assert( check<char8_t>(ATOMIC_CHAR8_T_LOCK_FREE) ); |
| #endif |
| static_assert( check<char16_t>(ATOMIC_CHAR16_T_LOCK_FREE) ); |
| static_assert( check<char32_t>(ATOMIC_CHAR32_T_LOCK_FREE) ); |
