mirror of git://gcc.gnu.org/git/gcc.git
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// -*- C++ -*- header.
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// Copyright (C) 2008-2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/atomic_lockfree_defines.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{atomic}
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*/
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#ifndef _GLIBCXX_ATOMIC_LOCK_FREE_H
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#define _GLIBCXX_ATOMIC_LOCK_FREE_H 1
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#pragma GCC system_header
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/**
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* @addtogroup atomics
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* @{
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*/
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/**
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* Lock-free property.
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*
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* 0 indicates that the types are never lock-free.
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* 1 indicates that the types are sometimes lock-free.
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* 2 indicates that the types are always lock-free.
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*/
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#if __cplusplus >= 201103L
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#define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE
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#define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE
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#define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE
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#define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE
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#define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE
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#define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE
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#define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE
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#define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE
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#define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE
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#define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE
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#endif
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// @} group atomics
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#endif
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