| 1 | // -*- C++ -*- header.
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| 2 |
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| 3 | // Copyright (C) 2008-2021 Free Software Foundation, Inc.
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| 4 | //
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| 5 | // This file is part of the GNU ISO C++ Library. This library is free
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| 6 | // software; you can redistribute it and/or modify it under the
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| 7 | // terms of the GNU General Public License as published by the
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| 8 | // Free Software Foundation; either version 3, or (at your option)
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| 9 | // any later version.
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| 10 |
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| 11 | // This library is distributed in the hope that it will be useful,
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| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | // GNU General Public License for more details.
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| 15 |
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| 16 | // Under Section 7 of GPL version 3, you are granted additional
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| 17 | // permissions described in the GCC Runtime Library Exception, version
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| 18 | // 3.1, as published by the Free Software Foundation.
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| 19 |
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| 20 | // You should have received a copy of the GNU General Public License and
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| 21 | // a copy of the GCC Runtime Library Exception along with this program;
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| 22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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| 23 | // <http://www.gnu.org/licenses/>.
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| 24 |
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| 25 | /** @file bits/atomic_lockfree_defines.h
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| 26 | * This is an internal header file, included by other library headers.
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| 27 | * Do not attempt to use it directly. @headername{atomic}
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| 28 | */
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| 29 |
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| 30 | #ifndef _GLIBCXX_ATOMIC_LOCK_FREE_H
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| 31 | #define _GLIBCXX_ATOMIC_LOCK_FREE_H 1
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| 32 |
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| 33 | #pragma GCC system_header
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| 34 |
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| 35 | /**
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| 36 | * @addtogroup atomics
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| 37 | * @{
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| 38 | */
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| 39 |
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| 40 | /**
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| 41 | * Lock-free property.
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| 42 | *
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| 43 | * 0 indicates that the types are never lock-free.
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| 44 | * 1 indicates that the types are sometimes lock-free.
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| 45 | * 2 indicates that the types are always lock-free.
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| 46 | */
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| 47 |
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| 48 | #if __cplusplus >= 201103L
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| 49 | #define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE
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| 50 | #define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE
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| 51 | #define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE
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| 52 | #ifdef _GLIBCXX_USE_CHAR8_T
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| 53 | #define ATOMIC_CHAR8_T_LOCK_FREE __GCC_ATOMIC_CHAR8_T_LOCK_FREE
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| 54 | #endif
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| 55 | #define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE
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| 56 | #define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE
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| 57 | #define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE
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| 58 | #define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE
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| 59 | #define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE
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| 60 | #define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE
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| 61 | #define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE
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| 62 | #endif
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| 63 |
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| 64 | /// @} group atomics
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| 65 |
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| 66 | #endif
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