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<div class="title">gcc_atomic.hpp</div> </div>
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<a href="gcc__atomic_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// MessagePack for C++ old gcc workaround for atomic operation</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2008-2013 FURUHASHI Sadayuki and KONDO Takatoshi</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0.</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// (See accompanying file LICENSE_1_0.txt or copy at</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#ifndef MSGPACK_GCC_ATOMIC_HPP</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#define MSGPACK_GCC_ATOMIC_HPP</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if defined(__GNUC__) && ((__GNUC__*10 + __GNUC_MINOR__) < 41)</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <bits/atomicity.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keywordtype">int</span> <a class="code" href="sysdep_8hpp.html#afe9e35a785255f091f35b6a79ee1533c">_msgpack_sync_decr_and_fetch</a>(<span class="keyword">volatile</span> <a class="code" href="sysdep_8hpp.html#a36f84bdc37a1fc8922210dd4e245cc10">_msgpack_atomic_counter_t</a>* ptr)</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">return</span> __gnu_cxx::__exchange_and_add(ptr, -1) - 1;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> }</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keywordtype">int</span> <a class="code" href="sysdep_8hpp.html#a49ee947343504099db90b5c7cece99b7">_msgpack_sync_incr_and_fetch</a>(<span class="keyword">volatile</span> <a class="code" href="sysdep_8hpp.html#a36f84bdc37a1fc8922210dd4e245cc10">_msgpack_atomic_counter_t</a>* ptr)</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">return</span> __gnu_cxx::__exchange_and_add(ptr, 1) + 1;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> }</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif </span><span class="comment">// old gcc workaround</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif </span><span class="comment">/* gcc_atomic.hpp */</span><span class="preprocessor"></span></div>
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<div class="ttc" id="asysdep_8hpp_html_a36f84bdc37a1fc8922210dd4e245cc10"><div class="ttname"><a href="sysdep_8hpp.html#a36f84bdc37a1fc8922210dd4e245cc10">_msgpack_atomic_counter_t</a></div><div class="ttdeci">unsigned int _msgpack_atomic_counter_t</div><div class="ttdef"><b>Definition:</b> sysdep.hpp:73</div></div>
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<div class="ttc" id="asysdep_8hpp_html_a49ee947343504099db90b5c7cece99b7"><div class="ttname"><a href="sysdep_8hpp.html#a49ee947343504099db90b5c7cece99b7">_msgpack_sync_incr_and_fetch</a></div><div class="ttdeci">#define _msgpack_sync_incr_and_fetch(ptr)</div><div class="ttdef"><b>Definition:</b> sysdep.hpp:75</div></div>
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<div class="ttc" id="asysdep_8hpp_html_afe9e35a785255f091f35b6a79ee1533c"><div class="ttname"><a href="sysdep_8hpp.html#afe9e35a785255f091f35b6a79ee1533c">_msgpack_sync_decr_and_fetch</a></div><div class="ttdeci">#define _msgpack_sync_decr_and_fetch(ptr)</div><div class="ttdef"><b>Definition:</b> sysdep.hpp:74</div></div>
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