44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
// Low-level functions for atomic operations: IRIX version -*- C++ -*-
|
|
|
|
// Copyright (C) 2001, 2004, 2005 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 2, 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 COPYING. If not, write to the Free
|
|
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
// USA.
|
|
|
|
// As a special exception, you may use this file as part of a free software
|
|
// library without restriction. Specifically, if other files instantiate
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
// this file and link it with other files to produce an executable, this
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
// the GNU General Public License. This exception does not however
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
// the GNU General Public License.
|
|
|
|
#include <mutex.h>
|
|
#include <ext/atomicity.h>
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
|
|
|
|
_Atomic_word
|
|
__exchange_and_add(volatile _Atomic_word* __mem, int __val)
|
|
{ return (_Atomic_word) test_then_add((unsigned long*) const_cast<_Atomic_word*>(__mem), __val); }
|
|
|
|
void
|
|
__atomic_add(volatile _Atomic_word* __mem, int __val)
|
|
{ __exchange_and_add(__mem, __val); }
|
|
|
|
_GLIBCXX_END_NAMESPACE
|