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  94. <a href="atm__gcc__sync_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>
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    126. 

  126. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
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  127. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#ifndef GRPC_IMPL_CODEGEN_ATM_GCC_SYNC_H</span></div>
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  128. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GRPC_IMPL_CODEGEN_ATM_GCC_SYNC_H</span></div>
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  129. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span></div>
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  130. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">/* variant of atm_platform.h for gcc and gcc-like compiers with __sync_*</span></div>
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  131. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">   interface */</span></div>
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  132. <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>
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  133. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
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  134. <div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a0a6314f31fcae0666a93961bed98af51">   41</a></span>&#160;<span class="keyword">typedef</span> intptr_t <a class="code" href="atm__gcc__sync_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a>;</div>
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  135. <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a5fb170a483552faeb4b6d4acb674c44c">   42</a></span>&#160;<span class="preprocessor">#define GPR_ATM_MAX INTPTR_MAX</span></div>
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  136. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor"></span></div>
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  137. <div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a5a1f94112dcd03309d6716d43c8edf3f">   44</a></span>&#160;<span class="preprocessor">#define GPR_ATM_COMPILE_BARRIER_() __asm__ __volatile__(&quot;&quot; : : : &quot;memory&quot;)</span></div>
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  140. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"></span><span class="comment">/* All loads are acquire loads and all stores are release stores.  */</span></div>
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  141. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#define GPR_ATM_LS_BARRIER_() GPR_ATM_COMPILE_BARRIER_()</span></div>
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  146. <div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a95f86e51ae9a479026bd237cb792193e">   53</a></span>&#160;<span class="preprocessor">#define gpr_atm_full_barrier() (__sync_synchronize())</span></div>
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  147. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor"></span></div>
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  148. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">static</span> __inline <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> <a class="code" href="atm__gcc__atomic_8h.html#a44607f95f7ee40eba592c7fe10960a06">gpr_atm_acq_load</a>(<span class="keyword">const</span> <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> *p) {</div>
    149. 

  149. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> value = *p;</div>
    150. 

  150. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  <a class="code" href="atm__gcc__sync_8h.html#a4ceb46c9b854db0ade8cfe2f37edb878">GPR_ATM_LS_BARRIER_</a>();</div>
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  151. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="keywordflow">return</span> value;</div>
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  152. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;}</div>
    153. 

  153. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div>
    154. 

  154. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">static</span> __inline <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> <a class="code" href="atm__gcc__atomic_8h.html#aa647aa9c97294a6709bbf2ac401cd9a6">gpr_atm_no_barrier_load</a>(<span class="keyword">const</span> <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> *p) {</div>
    155. 

  155. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> value = *p;</div>
    156. 

  156. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <a class="code" href="atm__gcc__sync_8h.html#a5a1f94112dcd03309d6716d43c8edf3f">GPR_ATM_COMPILE_BARRIER_</a>();</div>
    157. 

  157. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keywordflow">return</span> value;</div>
    158. 

  158. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;}</div>
    159. 

  159. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
    160. 

  160. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">static</span> __inline <span class="keywordtype">void</span> <a class="code" href="atm__gcc__atomic_8h.html#a42e3982d45ae4cec439a12b8fcd618e9">gpr_atm_rel_store</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> value) {</div>
    161. 

  161. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <a class="code" href="atm__gcc__sync_8h.html#a4ceb46c9b854db0ade8cfe2f37edb878">GPR_ATM_LS_BARRIER_</a>();</div>
    162. 

  162. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  *p = value;</div>
    163. 

  163. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;}</div>
    164. 

  164. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div>
    165. 

  165. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">static</span> __inline <span class="keywordtype">void</span> <a class="code" href="atm__gcc__atomic_8h.html#afad47d4c311c5439371fcdd4a0b6794e">gpr_atm_no_barrier_store</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> value) {</div>
    166. 

  166. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  <a class="code" href="atm__gcc__sync_8h.html#a5a1f94112dcd03309d6716d43c8edf3f">GPR_ATM_COMPILE_BARRIER_</a>();</div>
    167. 

  167. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  *p = value;</div>
    168. 

  168. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;}</div>
    169. 

  169. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
    170. 

  170. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">#undef GPR_ATM_LS_BARRIER_</span></div>
    171. 

  171. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#undef GPR_ATM_COMPILE_BARRIER_</span></div>
    172. 

  172. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor"></span></div>
    173. 

  173. <div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#ae337dc477a6a45ac3d91e41e8f3f2f8c">   80</a></span>&#160;<span class="preprocessor">#define gpr_atm_no_barrier_fetch_add(p, delta) \</span></div>
    174. 

  174. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor">  gpr_atm_full_fetch_add((p), (delta))</span></div>
    175. 

  175. <div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#abada8771b338845e4c6ef93c8392582c">   82</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define gpr_atm_full_fetch_add(p, delta) (__sync_fetch_and_add((p), (delta)))</span></div>
    176. 

  176. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor"></span></div>
    177. 

  177. <div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#ad39536b08912ac4a0770655ed334d260">   84</a></span>&#160;<span class="preprocessor">#define gpr_atm_no_barrier_cas(p, o, n) gpr_atm_acq_cas((p), (o), (n))</span></div>
    178. 

  178. <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a1a90e5777158aaa53624822f1f87dd90">   85</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define gpr_atm_acq_cas(p, o, n) (__sync_bool_compare_and_swap((p), (o), (n)))</span></div>
    179. 

  179. <div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#ae7c3b215cda868ee9ee778822000c3f2">   86</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define gpr_atm_rel_cas(p, o, n) gpr_atm_acq_cas((p), (o), (n))</span></div>
    180. 

  180. <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="atm__gcc__sync_8h.html#a9d29f224b49d4de8bb2b0d7feae64fcb">   87</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define gpr_atm_full_cas(p, o, n) gpr_atm_acq_cas((p), (o), (n))</span></div>
    181. 

  181. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor"></span></div>
    182. 

  182. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="keyword">static</span> __inline <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> <a class="code" href="atm__gcc__atomic_8h.html#a724691b6d48f35bbd9f575c82fdfb526">gpr_atm_full_xchg</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> n) {</div>
    183. 

  183. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <a class="code" href="atm__gcc__atomic_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a> cur;</div>
    184. 

  184. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;  <span class="keywordflow">do</span> {</div>
    185. 

  185. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    cur = <a class="code" href="atm__gcc__atomic_8h.html#a44607f95f7ee40eba592c7fe10960a06">gpr_atm_acq_load</a>(p);</div>
    186. 

  186. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  } <span class="keywordflow">while</span> (!<a class="code" href="atm__gcc__sync_8h.html#ae7c3b215cda868ee9ee778822000c3f2">gpr_atm_rel_cas</a>(p, cur, n));</div>
    187. 

  187. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="keywordflow">return</span> cur;</div>
    188. 

  188. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;}</div>
    189. 

  189. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
    190. 

  190. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* GRPC_IMPL_CODEGEN_ATM_GCC_SYNC_H */</span><span class="preprocessor"></span></div>
    191. 

  191. <div class="ttc" id="port__platform_8h_html"><div class="ttname"><a href="port__platform_8h.html">port_platform.h</a></div></div>
    192. 

  192. <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>
    193. 

  193. <div class="ttc" id="atm__gcc__sync_8h_html_a4ceb46c9b854db0ade8cfe2f37edb878"><div class="ttname"><a href="atm__gcc__sync_8h.html#a4ceb46c9b854db0ade8cfe2f37edb878">GPR_ATM_LS_BARRIER_</a></div><div class="ttdeci">#define GPR_ATM_LS_BARRIER_()</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:50</div></div>
    194. 

  194. <div class="ttc" id="atm__gcc__sync_8h_html_a5a1f94112dcd03309d6716d43c8edf3f"><div class="ttname"><a href="atm__gcc__sync_8h.html#a5a1f94112dcd03309d6716d43c8edf3f">GPR_ATM_COMPILE_BARRIER_</a></div><div class="ttdeci">#define GPR_ATM_COMPILE_BARRIER_()</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:44</div></div>
    195. 

  195. <div class="ttc" id="atm__gcc__atomic_8h_html_a724691b6d48f35bbd9f575c82fdfb526"><div class="ttname"><a href="atm__gcc__atomic_8h.html#a724691b6d48f35bbd9f575c82fdfb526">gpr_atm_full_xchg</a></div><div class="ttdeci">#define gpr_atm_full_xchg(p, n)</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:94</div></div>
    196. 

  196. <div class="ttc" id="atm__gcc__atomic_8h_html_a44607f95f7ee40eba592c7fe10960a06"><div class="ttname"><a href="atm__gcc__atomic_8h.html#a44607f95f7ee40eba592c7fe10960a06">gpr_atm_acq_load</a></div><div class="ttdeci">#define gpr_atm_acq_load(p)</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:60</div></div>
    197. 

  197. <div class="ttc" id="atm__gcc__atomic_8h_html_aa647aa9c97294a6709bbf2ac401cd9a6"><div class="ttname"><a href="atm__gcc__atomic_8h.html#aa647aa9c97294a6709bbf2ac401cd9a6">gpr_atm_no_barrier_load</a></div><div class="ttdeci">#define gpr_atm_no_barrier_load(p)</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:61</div></div>
    198. 

  198. <div class="ttc" id="atm__gcc__sync_8h_html_a0a6314f31fcae0666a93961bed98af51"><div class="ttname"><a href="atm__gcc__sync_8h.html#a0a6314f31fcae0666a93961bed98af51">gpr_atm</a></div><div class="ttdeci">intptr_t gpr_atm</div><div class="ttdef"><b>Definition:</b> atm_gcc_sync.h:41</div></div>
    199. 

  199. <div class="ttc" id="atm__gcc__atomic_8h_html_afad47d4c311c5439371fcdd4a0b6794e"><div class="ttname"><a href="atm__gcc__atomic_8h.html#afad47d4c311c5439371fcdd4a0b6794e">gpr_atm_no_barrier_store</a></div><div class="ttdeci">#define gpr_atm_no_barrier_store(p, value)</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:64</div></div>
    200. 

  200. <div class="ttc" id="atm__gcc__atomic_8h_html_a42e3982d45ae4cec439a12b8fcd618e9"><div class="ttname"><a href="atm__gcc__atomic_8h.html#a42e3982d45ae4cec439a12b8fcd618e9">gpr_atm_rel_store</a></div><div class="ttdeci">#define gpr_atm_rel_store(p, value)</div><div class="ttdef"><b>Definition:</b> atm_gcc_atomic.h:62</div></div>
    201. 

  201. <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:86</div></div>
    202. 

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    203. 

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    204. 

  204. <hr class="footer"/><address class="footer"><small>
    205. 

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