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<div class="title">ruby_atomic.h</div>  </div>
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<a href="../../dc/df3/ruby__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="preprocessor">#ifndef RUBY_ATOMIC_H</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define RUBY_ATOMIC_H</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#if 0</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#elif defined HAVE_GCC_ATOMIC_BUILTINS</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>;</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor"># define ATOMIC_SET(var, val)  (void)__atomic_exchange_n(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor"># define ATOMIC_INC(var) __atomic_fetch_add(&amp;(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"># define ATOMIC_DEC(var) __atomic_fetch_sub(&amp;(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) __atomic_or_fetch(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) __atomic_exchange_n(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) \</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">({ __typeof__(oldval) oldvaldup = (oldval); </span><span class="comment">/* oldval should not be modified */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">   __atomic_compare_exchange_n(&amp;(var), &amp;oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">   oldvaldup; })</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_INC(var) __atomic_fetch_add(&amp;(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_DEC(var) __atomic_fetch_sub(&amp;(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) __atomic_exchange_n(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_CAS(var, oldval, newval) \</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">({ size_t oldvaldup = (oldval); \</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">   __atomic_compare_exchange_n(&amp;(var), &amp;oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">   oldvaldup; })</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __atomic_exchange_n(&amp;(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#elif defined HAVE_GCC_SYNC_BUILTINS</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">/* @shyouhei hack to support atomic operations in case of gcc. Gcc</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * has its own pseudo-insns to support them.  See info, or</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * http://gcc.gnu.org/onlinedocs/gcc/Atomic-Builtins.html */</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="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>; <span class="comment">/* Anything OK */</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"># define ATOMIC_SET(var, val)  (void)__sync_lock_test_and_set(&amp;(var), (val))</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"># define ATOMIC_INC(var) __sync_fetch_and_add(&amp;(var), 1)</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor"># define ATOMIC_DEC(var) __sync_fetch_and_sub(&amp;(var), 1)</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) __sync_or_and_fetch(&amp;(var), (val))</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) __sync_lock_test_and_set(&amp;(var), (val))</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) __sync_val_compare_and_swap(&amp;(var), (oldval), (newval))</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) __sync_fetch_and_add(&amp;(var), (val))</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) __sync_fetch_and_sub(&amp;(var), (val))</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_INC(var) __sync_fetch_and_add(&amp;(var), 1)</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_DEC(var) __sync_fetch_and_sub(&amp;(var), 1)</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) __sync_lock_test_and_set(&amp;(var), (val))</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __sync_lock_test_and_set(&amp;(var), (val))</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __sync_lock_test_and_set(&amp;(var), (val))</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#elif defined _WIN32</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#if defined _MSC_VER &amp;&amp; _MSC_VER &gt; 1200</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#pragma intrinsic(_InterlockedOr)</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">typedef</span> LONG <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>;</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="preprocessor"># define ATOMIC_SET(var, val) InterlockedExchange(&amp;(var), (val))</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor"># define ATOMIC_INC(var) InterlockedIncrement(&amp;(var))</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor"># define ATOMIC_DEC(var) InterlockedDecrement(&amp;(var))</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#if defined __GNUC__</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) __asm__(&quot;lock\n\t&quot; &quot;orl\t%1, %0&quot; : &quot;=m&quot;(var) : &quot;Ir&quot;(val))</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor">#elif defined _MSC_VER &amp;&amp; _MSC_VER &lt;= 1200</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) rb_w32_atomic_or(&amp;(var), (val))</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;rb_w32_atomic_or(<span class="keyword">volatile</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> *var, <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> val)</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="preprocessor">#ifdef _M_IX86</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    __asm mov eax, var;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    __asm mov ecx, val;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    __asm lock or [eax], ecx;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">#error unsupported architecture</span></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;}</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) _InterlockedOr(&amp;(var), (val))</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) InterlockedExchange(&amp;(var), (val))</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) InterlockedCompareExchange(&amp;(var), (newval), (oldval))</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor"># if defined _MSC_VER &amp;&amp; _MSC_VER &lt;= 1200</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;rb_w32_atomic_cas(<span class="keyword">volatile</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> *var, <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> oldval, <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> newval)</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;{</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordflow">return</span> (<a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>)InterlockedCompareExchange((PVOID *)var, (PVOID)newval, (PVOID)oldval);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;}</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="preprocessor">#   undef ATOMIC_CAS</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#   define ATOMIC_CAS(var, oldval, newval) rb_w32_atomic_cas(&amp;(var), (oldval), (newval))</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="preprocessor"># ifdef _M_AMD64</span></div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd64(&amp;(var), (val))</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_SUB(var, val) InterlockedExchangeAdd64(&amp;(var), -(val))</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_INC(var) InterlockedIncrement64(&amp;(var))</span></div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_DEC(var) InterlockedDecrement64(&amp;(var))</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange64(&amp;(var), (val))</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_CAS(var, oldval, val) InterlockedCompareExchange64(&amp;(var), (oldval), (val))</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="preprocessor"># else</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd((LONG *)&amp;(var), (val))</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_SUB(var, val) InterlockedExchangeAdd((LONG *)&amp;(var), -(val))</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_INC(var) InterlockedIncrement((LONG *)&amp;(var))</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_DEC(var) InterlockedDecrement((LONG *)&amp;(var))</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange((LONG *)&amp;(var), (val))</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">#elif defined(__sun) &amp;&amp; defined(HAVE_ATOMIC_H)</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#include &lt;atomic.h&gt;</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor"># define ATOMIC_SET(var, val) (void)atomic_swap_uint(&amp;(var), (val))</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor"># define ATOMIC_INC(var) atomic_inc_uint(&amp;(var))</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor"># define ATOMIC_DEC(var) atomic_dec_uint(&amp;(var))</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) atomic_or_uint(&amp;(var), (val))</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) atomic_swap_uint(&amp;(var), (val))</span></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) atomic_cas_uint(&amp;(var), (oldval), (newval))</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor"># if SIZEOF_SIZE_T == SIZEOF_LONG</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_ADD(var, val) atomic_add_long(&amp;(var), (val))</span></div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_SUB(var, val) atomic_add_long(&amp;(var), -(val))</span></div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_INC(var) atomic_inc_ulong(&amp;(var))</span></div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_DEC(var) atomic_dec_ulong(&amp;(var))</span></div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_EXCHANGE(var, val) atomic_swap_ulong(&amp;(var), (val))</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_CAS(var, oldval, val) atomic_cas_ulong(&amp;(var), (oldval), (val))</span></div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor"># else</span></div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_ADD(var, val) atomic_add_int(&amp;(var), (val))</span></div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_SUB(var, val) atomic_add_int(&amp;(var), -(val))</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_INC(var) atomic_inc_uint(&amp;(var))</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_DEC(var) atomic_dec_uint(&amp;(var))</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="preprocessor">#  define ATOMIC_SIZE_EXCHANGE(var, val) atomic_swap_uint(&amp;(var), (val))</span></div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">  132</a></span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">int</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a>;</div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a880ab65dd97a40d62b190dc7964a667e">  133</a></span>&#160;<span class="preprocessor">#define NEED_RUBY_ATOMIC_EXCHANGE</span></div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="keyword">extern</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#acf3b6f8264ab1543dbab4158750dbb92">ruby_atomic_exchange</a>(<a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> *ptr, <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> val);</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="keyword">extern</span> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a7da56449011effd7908f5c67aefe3614">ruby_atomic_compare_and_swap</a>(<a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> *ptr,</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                                                <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> <a class="code" href="../../de/d6d/compar_8c.html#a087ca087a20f74015a46cf31400c675e">cmp</a>,</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                                                <a class="code" href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a> newval);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a59b1f42833e13a0b30a0ca31c3c82856">  139</a></span>&#160;<span class="preprocessor"># define ATOMIC_SET(var, val) (void)((var) = (val))</span></div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a6f8a9b8a084fce1d517c5545cbef3270">  140</a></span>&#160;<span class="preprocessor"># define ATOMIC_INC(var) ((var)++)</span></div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a042b840ca51bda69f1d6c0a5f2784319">  141</a></span>&#160;<span class="preprocessor"># define ATOMIC_DEC(var) ((var)--)</span></div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a968f64188a3021e4affafa66cba505a9">  142</a></span>&#160;<span class="preprocessor"># define ATOMIC_OR(var, val) ((var) |= (val))</span></div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a1d3c2e7873345772a093976101671bcd">  143</a></span>&#160;<span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) ruby_atomic_exchange(&amp;(var), (val))</span></div><div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#aea4fd5550837e294e837de36b9e5822f">  144</a></span>&#160;<span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) ruby_atomic_compare_and_swap(&amp;(var), (oldval), (newval))</span></div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#ab15faa86a24cda1e5479b3ed3e4b8fb1">  146</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) (void)((var) += (val))</span></div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a88970def86e1240db1de4c440c9895b2">  147</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) (void)((var) -= (val))</span></div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a2abe1cc6d2574d4d334ed2d719199d34">  148</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_INC(var) ((var)++)</span></div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a9b57bd5ed32e19b8c603a384ff6be95a">  149</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_DEC(var) ((var)--)</span></div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#aeea0d0e5cb03d1d823097e4edd898ce0">  150</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) atomic_size_exchange(&amp;(var), (val))</span></div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span></div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#abadaded53ad97fff8a134f090be79043">  152</a></span>&#160;<a class="code" href="../../dc/df3/ruby__atomic_8h.html#abadaded53ad97fff8a134f090be79043">atomic_size_exchange</a>(<span class="keywordtype">size_t</span> *ptr, <span class="keywordtype">size_t</span> val)</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;{</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordtype">size_t</span> old = *ptr;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    *ptr = val;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="keywordflow">return</span> old;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;}</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">#ifndef ATOMIC_SIZE_CAS</span></div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#afe1f8c6cf983a670b21e5d8cb08da94c">  161</a></span>&#160;<span class="preprocessor"># define ATOMIC_SIZE_CAS(var, oldval, val) ATOMIC_CAS(var, oldval, val)</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="preprocessor">#ifndef ATOMIC_PTR_EXCHANGE</span></div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="preprocessor"># if SIZEOF_VOIDP == SIZEOF_SIZE_T</span></div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a551719189fdaa4b005667fdeb31fcb41">  166</a></span>&#160;<span class="preprocessor">#   define ATOMIC_PTR_EXCHANGE(var, val) (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&amp;(var), (size_t)(val))</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="preprocessor">#ifndef ATOMIC_PTR_CAS</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor"># if SIZEOF_VOIDP == SIZEOF_SIZE_T</span></div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="../../dc/df3/ruby__atomic_8h.html#a7544e1f15bb311ba756234002d5d268f">  171</a></span>&#160;<span class="preprocessor">#   define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&amp;(var), (size_t)(oldval), (size_t)(val))</span></div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* RUBY_ATOMIC_H */</span><span class="preprocessor"></span></div><div class="ttc" id="ruby__atomic_8h_html_abadaded53ad97fff8a134f090be79043"><div class="ttname"><a href="../../dc/df3/ruby__atomic_8h.html#abadaded53ad97fff8a134f090be79043">atomic_size_exchange</a></div><div class="ttdeci">static size_t atomic_size_exchange(size_t *ptr, size_t val)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/df3/ruby__atomic_8h_source.html#l00152">ruby_atomic.h:152</a></div></div>
<div class="ttc" id="ruby__atomic_8h_html_a7da56449011effd7908f5c67aefe3614"><div class="ttname"><a href="../../dc/df3/ruby__atomic_8h.html#a7da56449011effd7908f5c67aefe3614">ruby_atomic_compare_and_swap</a></div><div class="ttdeci">rb_atomic_t ruby_atomic_compare_and_swap(rb_atomic_t *ptr, rb_atomic_t cmp, rb_atomic_t newval)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d36/signal_8c_source.html#l00034">signal.c:34</a></div></div>
<div class="ttc" id="ruby__atomic_8h_html_a872a86eed7f070b0ea35b7494fbd9b73"><div class="ttname"><a href="../../dc/df3/ruby__atomic_8h.html#a872a86eed7f070b0ea35b7494fbd9b73">rb_atomic_t</a></div><div class="ttdeci">int rb_atomic_t</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/df3/ruby__atomic_8h_source.html#l00132">ruby_atomic.h:132</a></div></div>
<div class="ttc" id="compar_8c_html_a087ca087a20f74015a46cf31400c675e"><div class="ttname"><a href="../../de/d6d/compar_8c.html#a087ca087a20f74015a46cf31400c675e">cmp</a></div><div class="ttdeci">static ID cmp</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d6d/compar_8c_source.html#l00016">compar.c:16</a></div></div>
<div class="ttc" id="ruby__atomic_8h_html_acf3b6f8264ab1543dbab4158750dbb92"><div class="ttname"><a href="../../dc/df3/ruby__atomic_8h.html#acf3b6f8264ab1543dbab4158750dbb92">ruby_atomic_exchange</a></div><div class="ttdeci">rb_atomic_t ruby_atomic_exchange(rb_atomic_t *ptr, rb_atomic_t val)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d36/signal_8c_source.html#l00026">signal.c:26</a></div></div>
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