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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> <span class="preprocessor">#ifndef RUBY_ATOMIC_H</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define RUBY_ATOMIC_H</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#elif defined HAVE_GCC_ATOMIC_BUILTINS</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <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> <span class="preprocessor"># define ATOMIC_SET(var, val) (void)__atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"># define ATOMIC_INC(var) __atomic_fetch_add(&(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"># define ATOMIC_DEC(var) __atomic_fetch_sub(&(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"># define ATOMIC_OR(var, val) __atomic_or_fetch(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) \</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <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> <span class="preprocessor"> __atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"> oldvaldup; })</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) __atomic_fetch_add(&(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) __atomic_fetch_sub(&(var), 1, __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"># define ATOMIC_SIZE_CAS(var, oldval, newval) \</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">({ size_t oldvaldup = (oldval); \</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"> __atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"> oldvaldup; })</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#elif defined HAVE_GCC_SYNC_BUILTINS</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <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> <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> <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> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <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> <span class="preprocessor"># define ATOMIC_SET(var, val) (void)__sync_lock_test_and_set(&(var), (val))</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"># define ATOMIC_INC(var) __sync_fetch_and_add(&(var), 1)</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"># define ATOMIC_DEC(var) __sync_fetch_and_sub(&(var), 1)</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"># define ATOMIC_OR(var, val) __sync_or_and_fetch(&(var), (val))</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val))</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) __sync_val_compare_and_swap(&(var), (oldval), (newval))</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) __sync_fetch_and_add(&(var), (val))</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) __sync_fetch_and_sub(&(var), (val))</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) __sync_fetch_and_add(&(var), 1)</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) __sync_fetch_and_sub(&(var), 1)</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val))</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val))</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val))</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#elif defined _WIN32</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#if defined _MSC_VER && _MSC_VER > 1200</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#pragma intrinsic(_InterlockedOr)</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <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> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"># define ATOMIC_SET(var, val) InterlockedExchange(&(var), (val))</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"># define ATOMIC_INC(var) InterlockedIncrement(&(var))</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"># define ATOMIC_DEC(var) InterlockedDecrement(&(var))</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#if defined __GNUC__</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"># define ATOMIC_OR(var, val) __asm__("lock\n\t" "orl\t%1, %0" : "=m"(var) : "Ir"(val))</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#elif defined _MSC_VER && _MSC_VER <= 1200</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"># define ATOMIC_OR(var, val) rb_w32_atomic_or(&(var), (val))</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <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> 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> {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#ifdef _M_IX86</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  __asm mov eax, var;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  __asm mov ecx, val;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  __asm lock or [eax], ecx;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#error unsupported architecture</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"># define ATOMIC_OR(var, val) _InterlockedOr(&(var), (val))</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) InterlockedExchange(&(var), (val))</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) InterlockedCompareExchange(&(var), (newval), (oldval))</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"># if defined _MSC_VER && _MSC_VER <= 1200</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <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> 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> {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <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> }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"># undef ATOMIC_CAS</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) rb_w32_atomic_cas(&(var), (oldval), (newval))</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"># ifdef _M_AMD64</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd64(&(var), (val))</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) InterlockedExchangeAdd64(&(var), -(val))</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) InterlockedIncrement64(&(var))</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) InterlockedDecrement64(&(var))</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange64(&(var), (val))</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor"># define ATOMIC_SIZE_CAS(var, oldval, val) InterlockedCompareExchange64(&(var), (oldval), (val))</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd((LONG *)&(var), (val))</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) InterlockedExchangeAdd((LONG *)&(var), -(val))</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) InterlockedIncrement((LONG *)&(var))</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) InterlockedDecrement((LONG *)&(var))</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange((LONG *)&(var), (val))</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#elif defined(__sun) && defined(HAVE_ATOMIC_H)</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#include <atomic.h></span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <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> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"># define ATOMIC_SET(var, val) (void)atomic_swap_uint(&(var), (val))</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"># define ATOMIC_INC(var) atomic_inc_uint(&(var))</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"># define ATOMIC_DEC(var) atomic_dec_uint(&(var))</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"># define ATOMIC_OR(var, val) atomic_or_uint(&(var), (val))</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) atomic_swap_uint(&(var), (val))</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) atomic_cas_uint(&(var), (oldval), (newval))</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"># if SIZEOF_SIZE_T == SIZEOF_LONG</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) atomic_add_long(&(var), (val))</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) atomic_add_long(&(var), -(val))</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) atomic_inc_ulong(&(var))</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) atomic_dec_ulong(&(var))</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) atomic_swap_ulong(&(var), (val))</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"># define ATOMIC_SIZE_CAS(var, oldval, val) atomic_cas_ulong(&(var), (oldval), (val))</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"># define ATOMIC_SIZE_ADD(var, val) atomic_add_int(&(var), (val))</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor"># define ATOMIC_SIZE_SUB(var, val) atomic_add_int(&(var), -(val))</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"># define ATOMIC_SIZE_INC(var) atomic_inc_uint(&(var))</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"># define ATOMIC_SIZE_DEC(var) atomic_dec_uint(&(var))</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) atomic_swap_uint(&(var), (val))</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <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> <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> <span class="preprocessor">#define NEED_RUBY_ATOMIC_EXCHANGE</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <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> <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>  <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>  <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> </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> <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> <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> <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> <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> <span class="preprocessor"># define ATOMIC_EXCHANGE(var, val) ruby_atomic_exchange(&(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> <span class="preprocessor"># define ATOMIC_CAS(var, oldval, newval) ruby_atomic_compare_and_swap(&(var), (oldval), (newval))</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </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> <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> <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> <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> <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> <span class="preprocessor"># define ATOMIC_SIZE_EXCHANGE(var, val) atomic_size_exchange(&(var), (val))</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <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> <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> {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">size_t</span> old = *ptr;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  *ptr = val;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> old;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <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> <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> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#ifndef ATOMIC_PTR_EXCHANGE</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <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> <span class="preprocessor"># define ATOMIC_PTR_EXCHANGE(var, val) (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#ifndef ATOMIC_PTR_CAS</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <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> <span class="preprocessor"># define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <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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