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<a href="atm__gcc__atomic_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright 2015, Google Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * All rights reserved.</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions are</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * met:</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *     * Redistributions of source code must retain the above copyright</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *     * Redistributions in binary form must reproduce the above</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * copyright notice, this list of conditions and the following disclaimer</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * in the documentation and/or other materials provided with the</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * distribution.</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *     * Neither the name of Google Inc. nor the names of its</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * contributors may be used to endorse or promote products derived from</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * this software without specific prior written permission.</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#ifndef GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">/* atm_platform.h for gcc and gcc-like compilers with the</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">   __atomic_* interface.  */</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="port__platform_8h.html">grpc/impl/codegen/port_platform.h</a>&gt;</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">   41</a></span>&#160;<span class="keyword">typedef</span> intptr_t <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a>;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#a95f86e51ae9a479026bd237cb792193e">   43</a></span>&#160;<span class="preprocessor">#define gpr_atm_full_barrier() (__atomic_thread_fence(__ATOMIC_SEQ_CST))</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#a44607f95f7ee40eba592c7fe10960a06">   45</a></span>&#160;<span class="preprocessor">#define gpr_atm_acq_load(p) (__atomic_load_n((p), __ATOMIC_ACQUIRE))</span></div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#aa647aa9c97294a6709bbf2ac401cd9a6">   46</a></span>&#160;<span class="preprocessor">#define gpr_atm_no_barrier_load(p) (__atomic_load_n((p), __ATOMIC_RELAXED))</span></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#a42e3982d45ae4cec439a12b8fcd618e9">   47</a></span>&#160;<span class="preprocessor">#define gpr_atm_rel_store(p, value) \</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">  (__atomic_store_n((p), (intptr_t)(value), __ATOMIC_RELEASE))</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#afad47d4c311c5439371fcdd4a0b6794e">   49</a></span>&#160;<span class="preprocessor">#define gpr_atm_no_barrier_store(p, value) \</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">  (__atomic_store_n((p), (intptr_t)(value), __ATOMIC_RELAXED))</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#ae337dc477a6a45ac3d91e41e8f3f2f8c">   52</a></span>&#160;<span class="preprocessor">#define gpr_atm_no_barrier_fetch_add(p, delta) \</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">  (__atomic_fetch_add((p), (intptr_t)(delta), __ATOMIC_RELAXED))</span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#abada8771b338845e4c6ef93c8392582c">   54</a></span>&#160;<span class="preprocessor">#define gpr_atm_full_fetch_add(p, delta) \</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">  (__atomic_fetch_add((p), (intptr_t)(delta), __ATOMIC_ACQ_REL))</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">static</span> __inline <span class="keywordtype">int</span> <a class="code" href="atm__gcc__sync_8h.html#ad39536b08912ac4a0770655ed334d260">gpr_atm_no_barrier_cas</a>(<a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> n) {</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="keywordflow">return</span> __atomic_compare_exchange_n(p, &amp;o, n, 0, __ATOMIC_RELAXED,</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;                                     __ATOMIC_RELAXED);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;}</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">static</span> __inline <span class="keywordtype">int</span> <a class="code" href="atm__gcc__sync_8h.html#a1a90e5777158aaa53624822f1f87dd90">gpr_atm_acq_cas</a>(<a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> n) {</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keywordflow">return</span> __atomic_compare_exchange_n(p, &amp;o, n, 0, __ATOMIC_ACQUIRE,</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                                     __ATOMIC_RELAXED);</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;}</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">static</span> __inline <span class="keywordtype">int</span> <a class="code" href="atm__gcc__sync_8h.html#ae7c3b215cda868ee9ee778822000c3f2">gpr_atm_rel_cas</a>(<a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> n) {</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <span class="keywordflow">return</span> __atomic_compare_exchange_n(p, &amp;o, n, 0, __ATOMIC_RELEASE,</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                                     __ATOMIC_RELAXED);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;}</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H */</span><span class="preprocessor"></span></div><div class="ttc" id="port__platform_8h_html"><div class="ttname"><a href="port__platform_8h.html">port_platform.h</a></div></div>
<div class="ttc" id="atm__gcc__atomic_8h_html_a0a6314f31fcae0666a93961bed98af51"><div class="ttname"><a href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a></div><div class="ttdeci">intptr_t gpr_atm</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:41</div></div>
<div class="ttc" id="atm__gcc__sync_8h_html_a1a90e5777158aaa53624822f1f87dd90"><div class="ttname"><a href="atm__gcc__sync_8h.html#a1a90e5777158aaa53624822f1f87dd90">gpr_atm_acq_cas</a></div><div class="ttdeci">#define gpr_atm_acq_cas(p, o, n)</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:84</div></div>
<div class="ttc" id="atm__gcc__sync_8h_html_ad39536b08912ac4a0770655ed334d260"><div class="ttname"><a href="atm__gcc__sync_8h.html#ad39536b08912ac4a0770655ed334d260">gpr_atm_no_barrier_cas</a></div><div class="ttdeci">#define gpr_atm_no_barrier_cas(p, o, n)</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:83</div></div>
<div class="ttc" id="atm__gcc__sync_8h_html_ae7c3b215cda868ee9ee778822000c3f2"><div class="ttname"><a href="atm__gcc__sync_8h.html#ae7c3b215cda868ee9ee778822000c3f2">gpr_atm_rel_cas</a></div><div class="ttdeci">#define gpr_atm_rel_cas(p, o, n)</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:85</div></div>
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