mirror of
https://github.com/msgpack/msgpack-c.git
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40ad7da455
Moved ostream operator << from object.cpp to object.hpp Removed object.cpp Modernize configure.in
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
//
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// MessagePack for C++ old gcc workaround for atomic operation
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//
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// Copyright (C) 2008-2013 FURUHASHI Sadayuki and KONDO Takatoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef MSGPACK_GCC_ATOMIC_HPP
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#define MSGPACK_GCC_ATOMIC_HPP
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#ifdef ENABLE_GCC_CXX_ATOMIC
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#if defined(__GNUC__) && ((__GNUC__*10 + __GNUC_MINOR__) < 41)
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#include "gcc_atomic.h"
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#include <bits/atomicity.h>
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int _msgpack_sync_decr_and_fetch(volatile _msgpack_atomic_counter_t* ptr)
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{
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return __gnu_cxx::__exchange_and_add(ptr, -1) - 1;
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}
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int _msgpack_sync_incr_and_fetch(volatile _msgpack_atomic_counter_t* ptr)
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{
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return __gnu_cxx::__exchange_and_add(ptr, 1) + 1;
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}
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#endif // old gcc workaround
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#endif // ENABLE_GCC_CXX_ATOMIC
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#endif /* gcc_atomic.hpp */
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