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2001-02-27 Benjamin Kosnik <bkoz@redhat.com> Correct license. * config/cpu/alpha/bits/atomicity.h: Change. * config/cpu/arm/bits/atomicity.h * config/cpu/generic/bits/atomicity.h * config/cpu/i386/bits/atomicity.h * config/cpu/i486/bits/atomicity.h * config/cpu/ia64/bits/atomicity.h * config/cpu/powerpc/bits/atomicity.h * config/cpu/sparc/sparc32/bits/atomicity.h * config/cpu/sparc/sparc64/bits/atomicity.h * config/os/aix/bits/atomicity.h * config/os/irix/bits/atomicity.h From-SVN: r40103
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
// Low-level functions for atomic operations: AIX version -*- C++ -*-
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// Copyright (C) 2000, 2001 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 2, 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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#ifndef _BITS_ATOMICITY_H
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#define _BITS_ATOMICITY_H 1
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/* We cannot use the cpu/powerpc/bits/atomicity.h inline assembly
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definitions for these operations since they depend on operations
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that are not available on the original POWER architecture. AIX
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still runs on the POWER architecture, so it would be incorrect to
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assume the existence of these instructions. */
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/* This should match the type pointed to by atomic_p in
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<sys/atomic_op.h>. */
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typedef int _Atomic_word;
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#include <sys/atomic_op.h>
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static inline int
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__attribute__ ((unused))
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__exchange_and_add (atomic_p __mem, int __val)
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{
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return fetch_and_add (__mem, __val);
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}
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static inline void
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__attribute__ ((unused))
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__atomic_add (atomic_p __mem, int __val)
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{
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(void) fetch_and_add (__mem, __val);
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}
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#endif /* atomicity.h */
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