| /*************************************************************************** |
| * |
| * _atomic-parisc.h - definitions of inline functions for atomic |
| * operations on PA RISC platform |
| * |
| * This is an internal header file used to implement the C++ Standard |
| * Library. It should never be #included directly by a program. |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1994-2008 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #define _RWSTD_NO_CHAR_ATOMIC_OPS |
| #define _RWSTD_NO_SHORT_ATOMIC_OPS |
| #define _RWSTD_NO_INT_ATOMIC_OPS |
| #define _RWSTD_NO_LONG_ATOMIC_OPS |
| #define _RWSTD_NO_LLONG_ATOMIC_OPS |
| |
| _RWSTD_NAMESPACE (__rw) { |
| |
| extern "C" { |
| |
| // special constraint: the value of both the argument and the result |
| // must not be zero |
| |
| int __rw_atomic_incr32 (int*); |
| int __rw_atomic_decr32 (int*); |
| int __rw_atomic_xchg32 (int*, int); |
| |
| } // extern "C" |
| |
| |
| inline int |
| __rw_string_atomic_preincrement (int &__x, bool) |
| { |
| return __rw_atomic_incr32 (&__x); |
| } |
| |
| |
| inline unsigned |
| __rw_string_atomic_preincrement (unsigned &__x, bool) |
| { |
| |
| return __rw_string_atomic_preincrement (_RWSTD_REINTERPRET_CAST(int&, __x), |
| false); |
| } |
| |
| |
| inline int |
| __rw_string_atomic_predecrement (int &__x, bool) |
| { |
| return __rw_atomic_decr32 (&__x); |
| } |
| |
| |
| inline unsigned |
| __rw_string_atomic_predecrement (unsigned &__x, bool) |
| { |
| |
| return __rw_string_atomic_predecrement (_RWSTD_REINTERPRET_CAST(int&, __x), |
| false); |
| } |
| |
| |
| inline int |
| __rw_string_atomic_exchange (int &__x, int __y, bool) |
| { |
| return __rw_atomic_xchg32 (&__x, __y); |
| } |
| |
| |
| inline unsigned |
| __rw_string_atomic_exchange (unsigned &__x, unsigned __y, bool) |
| { |
| return __rw_string_atomic_exchange (_RWSTD_REINTERPRET_CAST(int&, __x), |
| _RWSTD_STATIC_CAST(int,__y), |
| false); |
| } |
| |
| } // namespace __rw |