32 lines
826 B
C++
32 lines
826 B
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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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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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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#if defined(__GNUC__) && ((__GNUC__*10 + __GNUC_MINOR__) < 41)
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#include "rpc/msgpack/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 /* gcc_atomic.hpp */
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