基于C++ Coroutines提案 ‘Stackless Resumable Functions’编写的协程库
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  67. <div class="title">event_v1.h</div> </div>
  68. </div><!--header-->
  69. <div class="contents">
  70. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#pragma once</span></div>
  71. <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160; </div>
  72. <div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="keyword">namespace </span>resumef</div>
  73. <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;{</div>
  74. <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160; <span class="keyword">namespace </span>detail</div>
  75. <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; {</div>
  76. <div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160; <span class="keyword">struct </span>event_impl;</div>
  77. <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; <span class="keyword">typedef</span> _awaker&lt;event_impl&gt; event_awaker;</div>
  78. <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160; <span class="keyword">typedef</span> std::shared_ptr&lt;event_awaker&gt; event_awaker_ptr;</div>
  79. <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
  80. <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; <span class="keyword">struct </span>event_impl : <span class="keyword">public</span> std::enable_shared_from_this&lt;event_impl&gt;</div>
  81. <div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; {</div>
  82. <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="keyword">private</span>:</div>
  83. <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="comment">//typedef spinlock lock_type;</span></div>
  84. <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keyword">typedef</span> std::recursive_mutex lock_type;</div>
  85. <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
  86. <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; std::list&lt;event_awaker_ptr&gt; _awakes;</div>
  87. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; intptr_t _counter;</div>
  88. <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; lock_type _lock;</div>
  89. <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <span class="keyword">public</span>:</div>
  90. <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; event_impl(intptr_t initial_counter_);</div>
  91. <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
  92. <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordtype">void</span> signal();</div>
  93. <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keywordtype">void</span> reset();</div>
  94. <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; </div>
  95. <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="comment">//如果已经触发了awaker,则返回true</span></div>
  96. <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordtype">bool</span> wait_(<span class="keyword">const</span> event_awaker_ptr&amp; awaker);</div>
  97. <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
  98. <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> callee_t, <span class="keyword">class</span> dummy_t = std::enable_if&lt;!std::is_same&lt;std::remove_cv_t&lt;callee_t&gt;, event_awaker_ptr&gt;::value&gt;&gt;</div>
  99. <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; decltype(<span class="keyword">auto</span>) wait(callee_t&amp;&amp; awaker, dummy_t* dummy_ = <span class="keywordtype">nullptr</span>)</div>
  100. <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; {</div>
  101. <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; (void)dummy_;</div>
  102. <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">return</span> wait_(std::make_shared&lt;event_awaker&gt;(std::forward&lt;callee_t&gt;(awaker)));</div>
  103. <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; }</div>
  104. <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div>
  105. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; event_impl(<span class="keyword">const</span> event_impl&amp;) = <span class="keyword">delete</span>;</div>
  106. <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; event_impl(event_impl&amp;&amp;) = <span class="keyword">delete</span>;</div>
  107. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; event_impl&amp; operator = (<span class="keyword">const</span> event_impl&amp;) = <span class="keyword">delete</span>;</div>
  108. <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; event_impl&amp; operator = (event_impl&amp;&amp;) = <span class="keyword">delete</span>;</div>
  109. <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; };</div>
  110. <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; }</div>
  111. <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
  112. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">namespace </span>event_v1</div>
  113. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
  114. <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
  115. <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">//提供一种在协程和非协程之间同步的手段。</span></div>
  116. <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="comment">//典型用法是在非协程的线程,或者异步代码里,调用signal()方法触发信号,</span></div>
  117. <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">//协程代码里,调用co_await wait()等系列方法等待同步。</span></div>
  118. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">struct </span>event_t</div>
  119. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; {</div>
  120. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">typedef</span> std::shared_ptr&lt;detail::event_impl&gt; event_impl_ptr;</div>
  121. <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">typedef</span> std::weak_ptr&lt;detail::event_impl&gt; event_impl_wptr;</div>
  122. <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">typedef</span> std::chrono::system_clock clock_type;</div>
  123. <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">private</span>:</div>
  124. <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; event_impl_ptr _event;</div>
  125. <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">struct </span>wait_all_ctx;</div>
  126. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">public</span>:</div>
  127. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; event_t(intptr_t initial_counter_ = 0);</div>
  128. <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div>
  129. <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordtype">void</span> signal()<span class="keyword"> const</span></div>
  130. <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="keyword"> </span>{</div>
  131. <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; _event-&gt;signal();</div>
  132. <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
  133. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordtype">void</span> reset()<span class="keyword"> const</span></div>
  134. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="keyword"> </span>{</div>
  135. <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; _event-&gt;reset();</div>
  136. <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
  137. <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; </div>
  138. <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
  139. <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
  140. <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; future_t&lt;bool&gt;</div>
  141. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; wait() <span class="keyword">const</span>;</div>
  142. <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Rep, <span class="keyword">class</span> _Period&gt;</div>
  143. <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; future_t&lt;bool&gt;</div>
  144. <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; wait_for(<span class="keyword">const</span> std::chrono::duration&lt;_Rep, _Period&gt;&amp; dt)<span class="keyword"> const</span></div>
  145. <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="keyword"> </span>{</div>
  146. <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> wait_for_(std::chrono::duration_cast&lt;clock_type::duration&gt;(dt));</div>
  147. <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
  148. <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Clock, <span class="keyword">class</span> _Duration&gt;</div>
  149. <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; future_t&lt;bool&gt;</div>
  150. <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; wait_until(<span class="keyword">const</span> std::chrono::time_point&lt;_Clock, _Duration&gt;&amp; tp)<span class="keyword"> const</span></div>
  151. <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword"> </span>{</div>
  152. <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">return</span> wait_until_(std::chrono::time_point_cast&lt;clock_type::duration&gt;(tp));</div>
  153. <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; }</div>
  154. <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
  155. <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; </div>
  156. <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
  157. <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
  158. <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; </div>
  159. <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Iter&gt;</div>
  160. <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  161. <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; wait_any(_Iter begin_, _Iter end_)</div>
  162. <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {</div>
  163. <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">return</span> wait_any_(make_event_vector(begin_, end_));</div>
  164. <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; }</div>
  165. <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Cont&gt;</div>
  166. <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  167. <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; wait_any(<span class="keyword">const</span> _Cont&amp; cnt_)</div>
  168. <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; {</div>
  169. <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">return</span> wait_any_(make_event_vector(std::begin(cnt_), std::end(cnt_)));</div>
  170. <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; }</div>
  171. <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; </div>
  172. <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Rep, <span class="keyword">class</span> _Period, <span class="keyword">class</span> _Iter&gt;</div>
  173. <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  174. <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; wait_any_for(<span class="keyword">const</span> std::chrono::duration&lt;_Rep, _Period&gt;&amp; dt, _Iter begin_, _Iter end_)</div>
  175. <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; {</div>
  176. <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordflow">return</span> wait_any_for_(std::chrono::duration_cast&lt;clock_type::duration&gt;(dt), make_event_vector(begin_, end_));</div>
  177. <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</div>
  178. <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Rep, <span class="keyword">class</span> _Period, <span class="keyword">class</span> _Cont&gt;</div>
  179. <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  180. <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; wait_any_for(<span class="keyword">const</span> std::chrono::duration&lt;_Rep, _Period&gt;&amp; dt, <span class="keyword">const</span> _Cont&amp; cnt_)</div>
  181. <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; {</div>
  182. <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> wait_any_for_(std::chrono::duration_cast&lt;clock_type::duration&gt;(dt), make_event_vector(std::begin(cnt_), std::end(cnt_)));</div>
  183. <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div>
  184. <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; </div>
  185. <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Clock, <span class="keyword">class</span> _Duration, <span class="keyword">class</span> _Iter&gt;</div>
  186. <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  187. <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; wait_any_until(<span class="keyword">const</span> std::chrono::time_point&lt;_Clock, _Duration&gt;&amp; tp, _Iter begin_, _Iter end_)</div>
  188. <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; {</div>
  189. <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">return</span> wait_any_until_(std::chrono::time_point_cast&lt;clock_type::duration&gt;(tp), make_event_vector(begin_, end_));</div>
  190. <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
  191. <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Clock, <span class="keyword">class</span> _Duration, <span class="keyword">class</span> _Cont&gt;</div>
  192. <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt;</div>
  193. <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; wait_any_until(<span class="keyword">const</span> std::chrono::time_point&lt;_Clock, _Duration&gt;&amp; tp, <span class="keyword">const</span> _Cont&amp; cnt_)</div>
  194. <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; {</div>
  195. <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">return</span> wait_any_until_(std::chrono::time_point_cast&lt;clock_type::duration&gt;(tp), make_event_vector(std::begin(cnt_), std::end(cnt_)));</div>
  196. <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div>
  197. <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
  198. <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; </div>
  199. <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
  200. <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; </div>
  201. <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; </div>
  202. <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Iter&gt;</div>
  203. <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  204. <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; wait_all(_Iter begin_, _Iter end_)</div>
  205. <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; {</div>
  206. <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span> wait_all_(make_event_vector(begin_, end_));</div>
  207. <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; }</div>
  208. <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Cont&gt;</div>
  209. <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  210. <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; wait_all(<span class="keyword">const</span> _Cont&amp; cnt_)</div>
  211. <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; {</div>
  212. <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> wait_all(std::begin(cnt_), std::end(cnt_));</div>
  213. <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div>
  214. <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; </div>
  215. <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Rep, <span class="keyword">class</span> _Period, <span class="keyword">class</span> _Iter&gt;</div>
  216. <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  217. <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; wait_all_for(<span class="keyword">const</span> std::chrono::duration&lt;_Rep, _Period&gt;&amp; dt, _Iter begin_, _Iter end_)</div>
  218. <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; {</div>
  219. <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">return</span> wait_all_for_(std::chrono::duration_cast&lt;clock_type::duration&gt;(dt), make_event_vector(begin_, end_));</div>
  220. <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; }</div>
  221. <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Rep, <span class="keyword">class</span> _Period, <span class="keyword">class</span> _Cont&gt;</div>
  222. <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  223. <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; wait_all_for(<span class="keyword">const</span> std::chrono::duration&lt;_Rep, _Period&gt;&amp; dt, <span class="keyword">const</span> _Cont&amp; cnt_)</div>
  224. <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; {</div>
  225. <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">return</span> wait_all_for_(std::chrono::duration_cast&lt;clock_type::duration&gt;(dt), make_event_vector(std::begin(cnt_), std::end(cnt_)));</div>
  226. <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
  227. <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; </div>
  228. <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Clock, <span class="keyword">class</span> _Duration, <span class="keyword">class</span> _Iter&gt;</div>
  229. <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  230. <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; wait_all_until(<span class="keyword">const</span> std::chrono::time_point&lt;_Clock, _Duration&gt;&amp; tp, _Iter begin_, _Iter end_)</div>
  231. <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; {</div>
  232. <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">return</span> wait_all_until_(std::chrono::time_point_cast&lt;clock_type::duration&gt;(tp), make_event_vector(begin_, end_));</div>
  233. <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div>
  234. <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Clock, <span class="keyword">class</span> _Duration, <span class="keyword">class</span> _Cont&gt;</div>
  235. <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt;</div>
  236. <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; wait_all_until(<span class="keyword">const</span> std::chrono::time_point&lt;_Clock, _Duration&gt;&amp; tp, <span class="keyword">const</span> _Cont&amp; cnt_)</div>
  237. <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; {</div>
  238. <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> wait_all_until_(std::chrono::time_point_cast&lt;clock_type::duration&gt;(tp), make_event_vector(std::begin(cnt_), std::end(cnt_)));</div>
  239. <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
  240. <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; </div>
  241. <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; </div>
  242. <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; </div>
  243. <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; event_t(<span class="keyword">const</span> event_t&amp;) = <span class="keywordflow">default</span>;</div>
  244. <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; event_t(event_t&amp;&amp;) = <span class="keywordflow">default</span>;</div>
  245. <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; event_t&amp; operator = (<span class="keyword">const</span> event_t&amp;) = <span class="keywordflow">default</span>;</div>
  246. <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; event_t&amp; operator = (event_t&amp;&amp;) = <span class="keywordflow">default</span>;</div>
  247. <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; </div>
  248. <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keyword">private</span>:</div>
  249. <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Iter&gt;</div>
  250. <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">static</span> std::vector&lt;event_impl_ptr&gt; make_event_vector(_Iter begin_, _Iter end_)</div>
  251. <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; {</div>
  252. <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; std::vector&lt;event_impl_ptr&gt; evts;</div>
  253. <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; evts.reserve(std::distance(begin_, end_));</div>
  254. <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = begin_; i != end_; ++i)</div>
  255. <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; evts.push_back((*i)._event);</div>
  256. <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; </div>
  257. <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">return</span> evts;</div>
  258. <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
  259. <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; </div>
  260. <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keyword">inline</span> future_t&lt;bool&gt; wait_for_(<span class="keyword">const</span> clock_type::duration&amp; dt)<span class="keyword"> const</span></div>
  261. <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;<span class="keyword"> </span>{</div>
  262. <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">return</span> wait_until_(clock_type::now() + dt);</div>
  263. <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; }</div>
  264. <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; future_t&lt;bool&gt; wait_until_(<span class="keyword">const</span> clock_type::time_point&amp; tp) <span class="keyword">const</span>;</div>
  265. <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; </div>
  266. <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; </div>
  267. <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt; wait_any_(std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts);</div>
  268. <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> future_t&lt;intptr_t&gt; wait_any_for_(<span class="keyword">const</span> clock_type::duration&amp; dt, std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts)</div>
  269. <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; {</div>
  270. <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">return</span> wait_any_until_(clock_type::now() + dt, std::forward&lt;std::vector&lt;event_impl_ptr&gt;&gt;(evts));</div>
  271. <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div>
  272. <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keyword">static</span> future_t&lt;intptr_t&gt; wait_any_until_(<span class="keyword">const</span> clock_type::time_point&amp; tp, std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts);</div>
  273. <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; </div>
  274. <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; </div>
  275. <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt; wait_all_(std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts);</div>
  276. <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> future_t&lt;bool&gt; wait_all_for_(<span class="keyword">const</span> clock_type::duration&amp; dt, std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts)</div>
  277. <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; {</div>
  278. <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">return</span> wait_all_until_(clock_type::now() + dt, std::forward&lt;std::vector&lt;event_impl_ptr&gt;&gt;(evts));</div>
  279. <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; }</div>
  280. <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keyword">static</span> future_t&lt;bool&gt; wait_all_until_(<span class="keyword">const</span> clock_type::time_point&amp; tp, std::vector&lt;event_impl_ptr&gt;&amp;&amp; evts);</div>
  281. <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; };</div>
  282. <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; </div>
  283. <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;}</div>
  284. <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;}</div>
  285. </div><!-- fragment --></div><!-- contents -->
  286. <!-- start footer part -->
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  288. 制作者 &#160;<a href="http://www.doxygen.org/index.html">
  289. <img class="footer" src="doxygen.png" alt="doxygen"/>
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