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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</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">#include <memory></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <uv.h></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "loop.hpp"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "underlying_type.hpp"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span><a class="code" href="namespaceuvw.html">uvw</a> {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">class </span>Thread;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>ThreadLocalStorage;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">class </span>Once;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">class </span>Mutex;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">class </span>RWLock;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">class </span>Semaphore;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span>Condition;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">class </span>Barrier;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">class </span>Thread final: <span class="keyword">public</span> UnderlyingType<Thread, uv_thread_t> {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">using</span> InternalTask = std::function<void(std::shared_ptr<void>)>;</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="keyword">static</span> <span class="keywordtype">void</span> createCallback(<span class="keywordtype">void</span> *arg) {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  Thread &thread = *(<span class="keyword">static_cast<</span>Thread*<span class="keyword">></span>(arg));</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  thread.task(thread.data);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</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">public</span>:</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">using</span> Task = InternalTask;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">using</span> Type = uv_thread_t;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">explicit</span> Thread(ConstructorAccess ca, std::shared_ptr<Loop> ref, InternalTask t, std::shared_ptr<void> d = <span class="keyword">nullptr</span>) noexcept</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  : UnderlyingType{ca, std::move(ref)}, data{std::move(d)}, task{std::move(t)}</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</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="keyword">static</span> Type <span class="keyword">self</span>() noexcept {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> uv_thread_self();</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> equal(<span class="keyword">const</span> Thread &tl, <span class="keyword">const</span> Thread &tr) noexcept {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> !(0 == uv_thread_equal(tl.get(), tr.get()));</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> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  ~Thread() noexcept {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  join();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> run() noexcept {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> (0 == uv_thread_create(<span class="keyword">get</span>(), &createCallback, <span class="keyword">this</span>));</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> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">bool</span> join() noexcept {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> (0 == uv_thread_join(<span class="keyword">get</span>()));</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::shared_ptr<void> data;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  Task task;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> };</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> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">class </span>ThreadLocalStorage final: <span class="keyword">public</span> UnderlyingType<ThreadLocalStorage, uv_key_t> {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">explicit</span> ThreadLocalStorage(ConstructorAccess ca, std::shared_ptr<Loop> ref) noexcept</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uv_key_create(UnderlyingType::get());</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> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ~ThreadLocalStorage() noexcept {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uv_key_delete(UnderlyingType::get());</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  T* <span class="keyword">get</span>() noexcept {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T*<span class="keyword">></span>(uv_key_get(UnderlyingType::get()));</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</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="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> <span class="keyword">set</span>(T *value) noexcept {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> uv_key_set(UnderlyingType::get(), value);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> };</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// `Once` is an odd one as it doesn't use a `libuv` structure per object.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">class </span>Once final: <span class="keyword">public</span> UnderlyingType<Once, uv_once_t> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">static</span> uv_once_t* guard() noexcept {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">static</span> uv_once_t once = UV_ONCE_INIT;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> &once;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">using</span> UnderlyingType::UnderlyingType;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">template</span><<span class="keyword">typename</span> F></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> once(F &&f) noexcept {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">using</span> CallbackType = void (*)(void);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  static_assert(std::is_convertible<F, CallbackType>::value, <span class="stringliteral">"!"</span>);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  CallbackType cb = f;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  uv_once(guard(), cb);</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> };</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">class </span>Mutex final: <span class="keyword">public</span> UnderlyingType<Mutex, uv_mutex_t> {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">friend</span> <span class="keyword">class </span>Condition;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">explicit</span> Mutex(ConstructorAccess ca, std::shared_ptr<Loop> ref, <span class="keywordtype">bool</span> recursive = <span class="keyword">false</span>) noexcept</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span>(recursive) {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  uv_mutex_init_recursive(<span class="keyword">get</span>());</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  uv_mutex_init(<span class="keyword">get</span>());</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  ~Mutex() noexcept {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  uv_mutex_destroy(<span class="keyword">get</span>());</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">void</span> lock() noexcept {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  uv_mutex_lock(<span class="keyword">get</span>());</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">bool</span> tryLock() noexcept {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> (0 == uv_mutex_trylock(<span class="keyword">get</span>()));</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span> unlock() noexcept {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  uv_mutex_unlock(<span class="keyword">get</span>());</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> };</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">class </span>RWLock final: <span class="keyword">public</span> UnderlyingType<RWLock, uv_rwlock_t> {</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">explicit</span> RWLock(ConstructorAccess ca, std::shared_ptr<Loop> ref) noexcept</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  uv_rwlock_init(<span class="keyword">get</span>());</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  ~RWLock() noexcept {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  uv_rwlock_destroy(<span class="keyword">get</span>());</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">void</span> rdLock() noexcept {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  uv_rwlock_rdlock(<span class="keyword">get</span>());</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</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="keywordtype">bool</span> tryRdLock() noexcept {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> (0 == uv_rwlock_tryrdlock(<span class="keyword">get</span>()));</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</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="keywordtype">void</span> rdUnlock() noexcept {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  uv_rwlock_rdunlock(<span class="keyword">get</span>());</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordtype">void</span> wrLock() noexcept {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  uv_rwlock_wrlock(<span class="keyword">get</span>());</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">bool</span> tryWrLock() noexcept {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> (0 == uv_rwlock_trywrlock(<span class="keyword">get</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> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">void</span> wrUnlock() noexcept {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  uv_rwlock_wrunlock(<span class="keyword">get</span>());</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> };</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">class </span>Semaphore final: <span class="keyword">public</span> UnderlyingType<Semaphore, uv_sem_t> {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">explicit</span> Semaphore(ConstructorAccess ca, std::shared_ptr<Loop> ref, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) noexcept</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  uv_sem_init(<span class="keyword">get</span>(), value);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  ~Semaphore() noexcept {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  uv_sem_destroy(<span class="keyword">get</span>());</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">void</span> post() noexcept {</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  uv_sem_post(<span class="keyword">get</span>());</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">void</span> wait() noexcept {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  uv_sem_wait(<span class="keyword">get</span>());</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">bool</span> tryWait() noexcept {</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> (0 == uv_sem_trywait(<span class="keyword">get</span>()));</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> };</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">class </span>Condition final: <span class="keyword">public</span> UnderlyingType<Condition, uv_cond_t> {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">explicit</span> Condition(ConstructorAccess ca, std::shared_ptr<Loop> ref) noexcept</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  uv_cond_init(<span class="keyword">get</span>());</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ~Condition() noexcept {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  uv_cond_destroy(<span class="keyword">get</span>());</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">void</span> signal() noexcept {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  uv_cond_signal(<span class="keyword">get</span>());</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">void</span> broadcast() noexcept {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  uv_cond_broadcast(<span class="keyword">get</span>());</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">void</span> wait(Mutex &mutex) noexcept {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uv_cond_wait(<span class="keyword">get</span>(), mutex.get());</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">bool</span> timedWait(Mutex &mutex, uint64_t timeout) noexcept {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> (0 == uv_cond_timedwait(<span class="keyword">get</span>(), mutex.get(), timeout));</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> };</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">class </span>Barrier final: <span class="keyword">public</span> UnderlyingType<Barrier, uv_barrier_t> {</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">explicit</span> Barrier(ConstructorAccess ca, std::shared_ptr<Loop> ref, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count) noexcept</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  : UnderlyingType{ca, std::move(ref)}</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  uv_barrier_init(<span class="keyword">get</span>(), count);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  ~Barrier() noexcept {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  uv_barrier_destroy(<span class="keyword">get</span>());</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">bool</span> wait() noexcept {</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> (0 == uv_barrier_wait(<span class="keyword">get</span>()));</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> };</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div><div class="ttc" id="namespaceuvw_html"><div class="ttname"><a href="namespaceuvw.html">uvw</a></div><div class="ttdoc">uvw default namespace. </div><div class="ttdef"><b>Definition:</b> <a href="async_8hpp_source.html#l00011">async.hpp:11</a></div></div>
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