| // -*- C++ -*- header. |
| |
| // Copyright (C) 2008-2020 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. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file bits/atomic_lockfree_defines.h |
| * This is an internal header file, included by other library headers. |
| * Do not attempt to use it directly. @headername{atomic} |
| */ |
| |
| #ifndef _GLIBCXX_ATOMIC_LOCK_FREE_H |
| #define _GLIBCXX_ATOMIC_LOCK_FREE_H 1 |
| |
| #pragma GCC system_header |
| |
| /** |
| * @addtogroup atomics |
| * @{ |
| */ |
| |
| /** |
| * Lock-free property. |
| * |
| * 0 indicates that the types are never lock-free. |
| * 1 indicates that the types are sometimes lock-free. |
| * 2 indicates that the types are always lock-free. |
| */ |
| |
| #if __cplusplus >= 201103L |
| #define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE |
| #define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE |
| #define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE |
| #ifdef _GLIBCXX_USE_CHAR8_T |
| #define ATOMIC_CHAR8_T_LOCK_FREE __GCC_ATOMIC_CHAR8_T_LOCK_FREE |
| #endif |
| #define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE |
| #define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE |
| #define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE |
| #define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE |
| #define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE |
| #define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE |
| #define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE |
| #endif |
| |
| /// @} group atomics |
| |
| #endif |
