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91<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>
92<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div>
93<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright 2015, Google Inc.</span></div>
94<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * All rights reserved.</span></div>
95<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
96<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>
97<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>
98<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * met:</span></div>
99<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> *</span></div>
100<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>
101<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>
102<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>
103<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>
104<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>
105<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * distribution.</span></div>
106<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>
107<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>
108<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>
109<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> *</span></div>
110<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>
111<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>
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121<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment"> *</span></div>
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123<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
124<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#ifndef GRPC_SUPPORT_ATM_GCC_ATOMIC_H</span></div>
125<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GRPC_SUPPORT_ATM_GCC_ATOMIC_H</span></div>
126<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span></div>
127<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>
128<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment"> __atomic_* interface. */</span></div>
129<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/support/port_platform.h</a>&gt;</span></div>
130<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
131<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc"> 41</a></span>&#160;<span class="keyword">typedef</span> <a class="code" href="port__platform_8h.html#a72d9d0d00bd576cfc8eab61aaea76db2">gpr_intptr</a> <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a>;</div>
132<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
133<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>
134<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span></div>
135<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>
136<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"></span><span class="preprocessor">#define gpr_atm_no_barrier_load(p) (__atomic_load_n((p), __ATOMIC_RELAXED))</span></div>
137<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"></span><span class="preprocessor">#define gpr_atm_rel_store(p, value) \</span></div>
138<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor"> (__atomic_store_n((p), (gpr_intptr)(value), __ATOMIC_RELEASE))</span></div>
139<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"></span><span class="preprocessor">#define gpr_atm_no_barrier_store(p, value) \</span></div>
140<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"> (__atomic_store_n((p), (gpr_intptr)(value), __ATOMIC_RELAXED))</span></div>
141<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor"></span></div>
142<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>
143<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"> (__atomic_fetch_add((p), (gpr_intptr)(delta), __ATOMIC_RELAXED))</span></div>
144<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"></span><span class="preprocessor">#define gpr_atm_full_fetch_add(p, delta) \</span></div>
145<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor"> (__atomic_fetch_add((p), (gpr_intptr)(delta), __ATOMIC_ACQ_REL))</span></div>
146<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"></span></div>
147<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#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> n) {</div>
148<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>
149<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; __ATOMIC_RELAXED);</div>
150<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div>
151<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
152<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#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> n) {</div>
153<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>
154<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; __ATOMIC_RELAXED);</div>
155<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;}</div>
156<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
157<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#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> *p, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> o, <a class="code" href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a> n) {</div>
158<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>
159<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; __ATOMIC_RELAXED);</div>
160<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;}</div>
161<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
162<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* GRPC_SUPPORT_ATM_GCC_ATOMIC_H */</span><span class="preprocessor"></span></div>
163<div class="ttc" id="port__platform_8h_html"><div class="ttname"><a href="port__platform_8h.html">port_platform.h</a></div></div>
164<div class="ttc" id="port__platform_8h_html_a72d9d0d00bd576cfc8eab61aaea76db2"><div class="ttname"><a href="port__platform_8h.html#a72d9d0d00bd576cfc8eab61aaea76db2">gpr_intptr</a></div><div class="ttdeci">intptr_t gpr_intptr</div><div class="ttdef"><b>Definition:</b> port_platform.h:312</div></div>
165<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>
166<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>
167<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>
168<div class="ttc" id="atm__gcc__atomic_8h_html_aa9e4b16c09888debe306f14e8090b1cc"><div class="ttname"><a href="atm__gcc__atomic_8h.html#aa9e4b16c09888debe306f14e8090b1cc">gpr_atm</a></div><div class="ttdeci">gpr_intptr gpr_atm</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:41</div></div>
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