abby
/
librf
mirror of https://github.com/tearshark/librf.git
Watch 1
Star 0
Fork 0
Code Issues 0 Releases 2 Wiki Activity
基于C++ Coroutines提案 ‘Stackless Resumable Functions’编写的协程库
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
182 Commits
2 Branches
Tree: b3386e919e
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'b3386e919e'
${ noResults }
librf/doxygen/html/state_8h_source.html

state_8h_source.html 52KB
Raw Blame History

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406 
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  2. <html xmlns="http://www.w3.org/1999/xhtml">

  3. <head>

  4. <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>

  5. <meta http-equiv="X-UA-Compatible" content="IE=9"/>

  6. <meta name="generator" content="Doxygen 1.8.17"/>

  7. <meta name="viewport" content="width=device-width, initial-scale=1"/>

  8. <title>librf: librf/src/state.h 源文件</title>

  9. <link href="tabs.css" rel="stylesheet" type="text/css"/>

  10. <script type="text/javascript" src="jquery.js"></script>

  11. <script type="text/javascript" src="dynsections.js"></script>

  12. <link href="search/search.css" rel="stylesheet" type="text/css"/>

  13. <script type="text/javascript" src="search/searchdata.js"></script>

  14. <script type="text/javascript" src="search/search.js"></script>

  15. <link href="doxygen.css" rel="stylesheet" type="text/css" />

  16. </head>

  17. <body>

  18. <div id="top"><!-- do not remove this div, it is closed by doxygen! -->

  19. <div id="titlearea">

  20. <table cellspacing="0" cellpadding="0">

  21.  <tbody>

  22.  <tr style="height: 56px;">

  23.   <td id="projectalign" style="padding-left: 0.5em;">

  24.    <div id="projectname">librf

  25.    </div>

  26.   </td>

  27.  </tr>

  28.  </tbody>

  29. </table>

  30. </div>

  31. <!-- end header part -->

  32. <!-- 制作者 Doxygen 1.8.17 -->

  33. <script type="text/javascript">

  34. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  35. var searchBox = new SearchBox("searchBox", "search",false,'搜索');

  36. /* @license-end */

  37. </script>

  38. <script type="text/javascript" src="menudata.js"></script>

  39. <script type="text/javascript" src="menu.js"></script>

  40. <script type="text/javascript">

  41. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  42. $(function() {

  43.   initMenu('',true,false,'search.php','搜索');

  44.   $(document).ready(function() { init_search(); });

  45. });

  46. /* @license-end */</script>

  47. <div id="main-nav"></div>

  48. <!-- window showing the filter options -->

  49. <div id="MSearchSelectWindow"

  50.      onmouseover="return searchBox.OnSearchSelectShow()"

  51.      onmouseout="return searchBox.OnSearchSelectHide()"

  52.      onkeydown="return searchBox.OnSearchSelectKey(event)">

  53. </div>

  54. 

  55. <!-- iframe showing the search results (closed by default) -->

  56. <div id="MSearchResultsWindow">

  57. <iframe src="javascript:void(0)" frameborder="0" 

  58.         name="MSearchResults" id="MSearchResults">

  59. </iframe>

  60. </div>

  61. 

  62. <div id="nav-path" class="navpath">

  63.   <ul>

  64. <li class="navelem"><a class="el" href="dir_3c80010775d22af2067790ecc9cdcf9d.html">librf</a></li><li class="navelem"><a class="el" href="dir_54ae0e78d997f6903cdf0996223d047f.html">src</a></li>  </ul>

  65. </div>

  66. </div><!-- top -->

  67. <div class="header">

  68.   <div class="headertitle">

  69. <div class="title">state.h</div>  </div>

  70. </div><!--header-->

  71. <div class="contents">

  72. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>

  73. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>

  74. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="keyword">namespace </span>resumef</div>

  75. <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;{</div>

  76. <div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="structresumef_1_1state__base__t.html">    8</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a></div>

  77. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    {</div>

  78. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;        <span class="keyword">using</span> _Alloc_char = std::allocator&lt;char&gt;;</div>

  79. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;    <span class="keyword">private</span>:</div>

  80. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;        std::atomic&lt;intptr_t&gt; _count{0};</div>

  81. <div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;    <span class="keyword">public</span>:</div>

  82. <div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;        <span class="keywordtype">void</span> lock()</div>

  83. <div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;        {</div>

  84. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;            ++_count;</div>

  85. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;        }</div>

  86. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        <span class="keywordtype">void</span> unlock()</div>

  87. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        {</div>

  88. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;            <span class="keywordflow">if</span> (--_count == 0)</div>

  89. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;            {</div>

  90. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;                destroy_deallocate();</div>

  91. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;            }</div>

  92. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        }</div>

  93. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keyword">protected</span>:</div>

  94. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* _scheduler = <span class="keyword">nullptr</span>;</div>

  95. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        <span class="comment">//可能来自协程里的promise产生的，则经过co_await操作后，_coro在初始时不会为nullptr。</span></div>

  96. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="comment">//也可能来自awaitable_t，如果</span></div>

  97. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        <span class="comment">//      一、经过co_await操作后，_coro在初始时不会为nullptr。</span></div>

  98. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <span class="comment">//      二、没有co_await操作，直接加入到了调度器里，则_coro在初始时为nullptr。调度器需要特殊处理此种情况。</span></div>

  99. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        coroutine_handle&lt;&gt; _coro;</div>

  100. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>

  101. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>();</div>

  102. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="keyword">private</span>:</div>

  103. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy_deallocate();</div>

  104. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="keyword">public</span>:</div>

  105. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> resume() = 0;</div>

  106. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> has_handler() <span class="keyword">const</span>  noexcept = 0;</div>

  107. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keyword">virtual</span> <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>* get_parent() <span class="keyword">const</span> noexcept;</div>

  108. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>

  109. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordtype">void</span> set_scheduler(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch)</div>

  110. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        {</div>

  111. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            _scheduler = sch;</div>

  112. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        }</div>

  113. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        coroutine_handle&lt;&gt; get_handler()<span class="keyword"> const</span></div>

  114. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">        </span>{</div>

  115. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            <span class="keywordflow">return</span> _coro;</div>

  116. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        }</div>

  117. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>

  118. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>* get_root() <span class="keyword">const</span> noexcept</div>

  119. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        {</div>

  120. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>* root = <span class="keyword">const_cast&lt;</span><a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div>

  121. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>* next = root-&gt;get_parent();</div>

  122. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            <span class="keywordflow">while</span> (next != <span class="keyword">nullptr</span>)</div>

  123. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            {</div>

  124. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                root = next;</div>

  125. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                next = next-&gt;get_parent();</div>

  126. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            }</div>

  127. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            <span class="keywordflow">return</span> root;</div>

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

  129. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* get_scheduler()<span class="keyword"> const</span></div>

  130. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">        </span>{</div>

  131. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            <span class="keywordflow">return</span> get_root()-&gt;_scheduler;</div>

  132. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>

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

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

  135. <div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structresumef_1_1state__generator__t.html">   70</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1state__generator__t.html">state_generator_t</a> : <span class="keyword">public</span> <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a></div>

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

  137. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keyword">private</span>:</div>

  138. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy_deallocate() <span class="keyword">override</span>;</div>

  139. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <a class="code" href="structresumef_1_1state__generator__t.html">state_generator_t</a>() = <span class="keywordflow">default</span>;</div>

  140. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keyword">public</span>:</div>

  141. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> resume() <span class="keyword">override</span>;</div>

  142. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> has_handler() <span class="keyword">const</span>  noexcept <span class="keyword">override</span>;</div>

  143. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>

  144. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        <span class="keywordtype">bool</span> switch_scheduler_await_suspend(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch);</div>

  145. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160; </div>

  146. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keywordtype">void</span> set_initial_suspend(coroutine_handle&lt;&gt; handler)</div>

  147. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        {</div>

  148. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            _coro = handler;</div>

  149. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        }</div>

  150. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>

  151. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor">#if RESUMEF_INLINE_STATE</span></div>

  152. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keyword">static</span> <a class="code" href="structresumef_1_1state__generator__t.html">state_generator_t</a>* _Construct(<span class="keywordtype">void</span>* _Ptr)</div>

  153. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        {</div>

  154. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span>(_Ptr) <a class="code" href="structresumef_1_1state__generator__t.html">state_generator_t</a>();</div>

  155. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        }</div>

  156. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#endif</span></div>

  157. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keyword">static</span> <a class="code" href="structresumef_1_1state__generator__t.html">state_generator_t</a>* _Alloc_state();</div>

  158. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    };</div>

  159. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>

  160. <div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="structresumef_1_1state__future__t.html">   98</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a> : <span class="keyword">public</span> <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a></div>

  161. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    {</div>

  162. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">enum struct</span> initor_type : uint8_t</div>

  163. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        {</div>

  164. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            None,</div>

  165. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            Initial,</div>

  166. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            Final</div>

  167. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        };</div>

  168. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keyword">enum struct</span> result_type : uint8_t</div>

  169. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        {</div>

  170. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;            None,</div>

  171. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            Value,</div>

  172. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;            Exception,</div>

  173. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        };</div>

  174. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>

  175. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <span class="comment">//typedef std::recursive_mutex lock_type;</span></div>

  176. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keyword">typedef</span> <a class="code" href="structresumef_1_1spinlock.html">spinlock</a> <a class="code" href="structresumef_1_1spinlock.html">lock_type</a>;</div>

  177. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keyword">protected</span>:</div>

  178. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keyword">mutable</span> <a class="code" href="structresumef_1_1spinlock.html">lock_type</a> _mtx;</div>

  179. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        coroutine_handle&lt;&gt; _initor;</div>

  180. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>* _parent = <span class="keyword">nullptr</span>;</div>

  181. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#if RESUMEF_DEBUG_COUNTER</span></div>

  182. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        intptr_t _id;</div>

  183. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#endif</span></div>

  184. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        uint32_t _alloc_size = 0;</div>

  185. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="comment">//注意：_has_value对齐到 4 Byte上，后面必须紧跟 _is_future变量。两者能组合成一个uint16_t数据。</span></div>

  186. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        std::atomic&lt;result_type&gt; _has_value{ result_type::None };</div>

  187. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordtype">bool</span> _is_future;</div>

  188. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        initor_type _is_initor = initor_type::None;</div>

  189. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        static_assert(<span class="keyword">sizeof</span>(std::atomic&lt;result_type&gt;) == 1);</div>

  190. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        static_assert(<span class="keyword">alignof</span>(std::atomic&lt;result_type&gt;) == 1);</div>

  191. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        static_assert(<span class="keyword">sizeof</span>(<span class="keywordtype">bool</span>) == 1);</div>

  192. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        static_assert(<span class="keyword">alignof</span>(<span class="keywordtype">bool</span>) == 1);</div>

  193. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        static_assert(<span class="keyword">sizeof</span>(std::atomic&lt;initor_type&gt;) == 1);</div>

  194. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        static_assert(<span class="keyword">alignof</span>(std::atomic&lt;initor_type&gt;) == 1);</div>

  195. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keyword">protected</span>:</div>

  196. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>(<span class="keywordtype">bool</span> awaitor)</div>

  197. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        {</div>

  198. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">#if RESUMEF_DEBUG_COUNTER</span></div>

  199. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            _id = ++g_resumef_state_id;</div>

  200. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="preprocessor">#endif</span></div>

  201. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;            _is_future = !awaitor;</div>

  202. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        }</div>

  203. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keyword">public</span>:</div>

  204. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy_deallocate() <span class="keyword">override</span>;</div>

  205. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> resume() <span class="keyword">override</span>;</div>

  206. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> has_handler() <span class="keyword">const</span>  noexcept <span class="keyword">override</span>;</div>

  207. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keyword">virtual</span> <a class="code" href="structresumef_1_1state__base__t.html">state_base_t</a>* get_parent() <span class="keyword">const</span> noexcept <span class="keyword">override</span>;</div>

  208. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160; </div>

  209. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_ready() <span class="keyword">const</span> noexcept</div>

  210. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        {</div>

  211. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#pragma warning(disable : 6326) //warning C6326: Potential comparison of a constant with another constant.</span></div>

  212. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <span class="comment">//msvc认为是constexpr表达式(不写还给警告)，然而，clang不这么认为。</span></div>

  213. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            <span class="comment">//放弃constexpr，反正合格的编译器都会优化掉这个if判断的。</span></div>

  214. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            <span class="keywordflow">if</span> </div>

  215. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">#ifndef __clang__</span></div>

  216. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                constexpr</div>

  217. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor">#endif</span></div>

  218. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                (offsetof(<a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>, _is_future) - offsetof(<a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>, _has_value) == 1)</div>

  219. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                <span class="keywordflow">return</span> 0 != <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>std::atomic&lt;uint16_t&gt; &amp;<span class="keyword">&gt;</span>(_has_value).load(std::memory_order_acquire);</div>

  220. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            <span class="keywordflow">else</span></div>

  221. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                <span class="keywordflow">return</span> _has_value.load(std::memory_order_acquire) != result_type::None || _is_future;</div>

  222. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">#pragma warning(default : 6326)</span></div>

  223. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        }</div>

  224. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> has_handler_skip_lock() <span class="keyword">const</span> noexcept</div>

  225. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        {</div>

  226. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">return</span> (<span class="keywordtype">bool</span>)_coro || _is_initor != initor_type::None;</div>

  227. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        }</div>

  228. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160; </div>

  229. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        <span class="keyword">inline</span> uint32_t get_alloc_size() <span class="keyword">const</span> noexcept</div>

  230. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        {</div>

  231. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordflow">return</span> _alloc_size;</div>

  232. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        }</div>

  233. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>

  234. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> future_await_ready() noexcept</div>

  235. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        {</div>

  236. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            <span class="comment">//scoped_lock&lt;lock_type&gt; __guard(this-&gt;_mtx);</span></div>

  237. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            <span class="keywordflow">return</span> _has_value.load(std::memory_order_acquire) != result_type::None;</div>

  238. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        }</div>

  239. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  240. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keywordtype">void</span> future_await_suspend(coroutine_handle&lt;_PromiseT&gt; handler);</div>

  241. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160; </div>

  242. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keywordtype">bool</span> switch_scheduler_await_suspend(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch);</div>

  243. <div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>

  244. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  245. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keywordtype">void</span> promise_initial_suspend(coroutine_handle&lt;_PromiseT&gt; handler);</div>

  246. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  247. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        <span class="keywordtype">void</span> promise_final_suspend(coroutine_handle&lt;_PromiseT&gt; handler);</div>

  248. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>

  249. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="preprocessor">#if RESUMEF_INLINE_STATE</span></div>

  250. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Sty&gt;</div>

  251. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keyword">static</span> _Sty* _Construct(<span class="keywordtype">void</span>* _Ptr, <span class="keywordtype">size_t</span> _Size)</div>

  252. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        {</div>

  253. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            _Sty* st = <span class="keyword">new</span>(_Ptr) _Sty(<span class="keyword">false</span>);</div>

  254. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            st-&gt;_alloc_size = <span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(_Size);</div>

  255. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>

  256. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">return</span> st;</div>

  257. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        }</div>

  258. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor">#endif</span></div>

  259. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Sty&gt;</div>

  260. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        <span class="keyword">static</span> <span class="keyword">inline</span> _Sty* _Alloc_state(<span class="keywordtype">bool</span> awaitor)</div>

  261. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        {</div>

  262. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            _Alloc_char _Al;</div>

  263. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordtype">size_t</span> _Size = _Align_size&lt;_Sty&gt;();</div>

  264. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="preprocessor">#if RESUMEF_DEBUG_COUNTER</span></div>

  265. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;state_future_t::alloc, size=&quot;</span> &lt;&lt; _Size &lt;&lt; std::endl;</div>

  266. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor">#endif</span></div>

  267. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <span class="keywordtype">char</span>* _Ptr = _Al.allocate(_Size);</div>

  268. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            _Sty* st = <span class="keyword">new</span>(_Ptr) _Sty(awaitor);</div>

  269. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            st-&gt;_alloc_size = <span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(_Size);</div>

  270. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160; </div>

  271. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            <span class="keywordflow">return</span> st;</div>

  272. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        }</div>

  273. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    };</div>

  274. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>

  275. <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> _Ty&gt;</div>

  276. <div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="structresumef_1_1state__t.html">  217</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1state__t.html">state_t</a> final : <span class="keyword">public</span> <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a></div>

  277. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    {</div>

  278. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        <span class="keyword">friend</span> <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>;</div>

  279. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>

  280. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        <span class="keyword">using</span> <a class="code" href="structresumef_1_1spinlock.html">state_future_t::lock_type</a>;</div>

  281. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        <span class="keyword">using</span> value_type = _Ty;</div>

  282. <div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    <span class="keyword">private</span>:</div>

  283. <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="structresumef_1_1state__t.html">state_t</a>(<span class="keywordtype">bool</span> awaitor) :<a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>(awaitor) {}</div>

  284. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    <span class="keyword">public</span>:</div>

  285. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        ~<a class="code" href="structresumef_1_1state__t.html">state_t</a>()</div>

  286. <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        {</div>

  287. <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            <span class="keywordflow">switch</span> (_has_value.load(std::memory_order_acquire))</div>

  288. <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;            {</div>

  289. <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;            <span class="keywordflow">case</span> result_type::Value:</div>

  290. <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                _value.~value_type();</div>

  291. <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;                <span class="keywordflow">break</span>;</div>

  292. <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;            <span class="keywordflow">case</span> result_type::Exception:</div>

  293. <div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;                _exception.~exception_ptr();</div>

  294. <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                <span class="keywordflow">break</span>;</div>

  295. <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            <span class="keywordflow">default</span>:</div>

  296. <div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;                <span class="keywordflow">break</span>;</div>

  297. <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            }</div>

  298. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        }</div>

  299. <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>

  300. <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        <span class="keyword">auto</span> future_await_resume() -&gt; value_type;</div>

  301. <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> U, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  302. <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        <span class="keywordtype">void</span> promise_yield_value(_PromiseT* promise, U&amp;&amp; val);</div>

  303. <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160; </div>

  304. <div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        <span class="keywordtype">void</span> set_exception(std::exception_ptr e);</div>

  305. <div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> U&gt;</div>

  306. <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        <span class="keywordtype">void</span> set_value(U&amp;&amp; val);</div>

  307. <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160; </div>

  308. <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Exp&gt;</div>

  309. <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> throw_exception(_Exp e)</div>

  310. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        {</div>

  311. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;            set_exception(std::make_exception_ptr(std::move(e)));</div>

  312. <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        }</div>

  313. <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keyword">private</span>:</div>

  314. <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        <span class="keyword">union</span></div>

  315. <div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        {</div>

  316. <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            std::exception_ptr _exception;</div>

  317. <div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            value_type _value;</div>

  318. <div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        };</div>

  319. <div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>

  320. <div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> U&gt;</div>

  321. <div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        <span class="keywordtype">void</span> set_value_internal(U&amp;&amp; val);</div>

  322. <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        <span class="keywordtype">void</span> set_exception_internal(std::exception_ptr e);</div>

  323. <div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    };</div>

  324. <div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160; </div>

  325. <div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  326. <div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> _Ty&gt;</div>

  327. <div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1state__t.html">state_t</a>&lt;_Ty&amp;&gt; final : <span class="keyword">public</span> <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a></div>

  328. <div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    {</div>

  329. <div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        <span class="keyword">friend</span> <a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>;</div>

  330. <div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160; </div>

  331. <div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;        <span class="keyword">using</span> <a class="code" href="structresumef_1_1spinlock.html">state_future_t::lock_type</a>;</div>

  332. <div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        <span class="keyword">using</span> value_type = _Ty;</div>

  333. <div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;        <span class="keyword">using</span> reference_type = _Ty&amp;;</div>

  334. <div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keyword">private</span>:</div>

  335. <div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="structresumef_1_1state__t.html">state_t</a>(<span class="keywordtype">bool</span> awaitor) :<a class="code" href="structresumef_1_1state__future__t.html">state_future_t</a>(awaitor) {}</div>

  336. <div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="keyword">public</span>:</div>

  337. <div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        ~state_t()</div>

  338. <div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        {</div>

  339. <div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="keywordflow">if</span> (_has_value.load(std::memory_order_acquire) == result_type::Exception)</div>

  340. <div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                _exception.~exception_ptr();</div>

  341. <div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        }</div>

  342. <div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160; </div>

  343. <div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        <span class="keyword">auto</span> future_await_resume()-&gt;reference_type;</div>

  344. <div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  345. <div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        <span class="keywordtype">void</span> promise_yield_value(_PromiseT* promise, reference_type val);</div>

  346. <div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>

  347. <div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        <span class="keywordtype">void</span> set_exception(std::exception_ptr e);</div>

  348. <div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        <span class="keywordtype">void</span> set_value(reference_type val);</div>

  349. <div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>

  350. <div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Exp&gt;</div>

  351. <div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> throw_exception(_Exp e)</div>

  352. <div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        {</div>

  353. <div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            set_exception(std::make_exception_ptr(std::move(e)));</div>

  354. <div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;        }</div>

  355. <div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="keyword">private</span>:</div>

  356. <div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        <span class="keyword">union</span></div>

  357. <div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;        {</div>

  358. <div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;            std::exception_ptr _exception;</div>

  359. <div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;            value_type* _value;</div>

  360. <div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        };</div>

  361. <div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160; </div>

  362. <div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;        <span class="keywordtype">void</span> set_value_internal(reference_type val);</div>

  363. <div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;        <span class="keywordtype">void</span> set_exception_internal(std::exception_ptr e);</div>

  364. <div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    };</div>

  365. <div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160; </div>

  366. <div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keyword">template</span>&lt;&gt;</div>

  367. <div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keyword">struct </span>state_t&lt;void&gt; final : <span class="keyword">public</span> state_future_t</div>

  368. <div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    {</div>

  369. <div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        <span class="keyword">friend</span> state_future_t;</div>

  370. <div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        <span class="keyword">using</span> state_future_t::lock_type;</div>

  371. <div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keyword">private</span>:</div>

  372. <div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        <span class="keyword">explicit</span> state_t(<span class="keywordtype">bool</span> awaitor) :state_future_t(awaitor) {}</div>

  373. <div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keyword">public</span>:</div>

  374. <div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        <span class="keywordtype">void</span> future_await_resume();</div>

  375. <div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  376. <div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        <span class="keywordtype">void</span> promise_yield_value(_PromiseT* promise);</div>

  377. <div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>

  378. <div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        <span class="keywordtype">void</span> set_exception(std::exception_ptr e);</div>

  379. <div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        <span class="keywordtype">void</span> set_value();</div>

  380. <div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160; </div>

  381. <div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Exp&gt;</div>

  382. <div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> throw_exception(_Exp e)</div>

  383. <div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;        {</div>

  384. <div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;            set_exception(std::make_exception_ptr(std::move(e)));</div>

  385. <div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        }</div>

  386. <div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keyword">private</span>:</div>

  387. <div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;        std::exception_ptr _exception;</div>

  388. <div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    };</div>

  389. <div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  390. <div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;}</div>

  391. <div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160; </div>

  392. </div><!-- fragment --></div><!-- contents -->

  393. <div class="ttc" id="astructresumef_1_1scheduler__t_html"><div class="ttname"><a href="structresumef_1_1scheduler__t.html">resumef::scheduler_t</a></div><div class="ttdoc">协程调度器。</div><div class="ttdef"><b>Definition:</b> scheduler.h:10</div></div>

  394. <div class="ttc" id="astructresumef_1_1state__base__t_html"><div class="ttname"><a href="structresumef_1_1state__base__t.html">resumef::state_base_t</a></div><div class="ttdoc">state基类，state用于在协程的promise和future之间共享数据。</div><div class="ttdef"><b>Definition:</b> state.h:8</div></div>

  395. <div class="ttc" id="astructresumef_1_1spinlock_html"><div class="ttname"><a href="structresumef_1_1spinlock.html">resumef::spinlock</a></div><div class="ttdoc">一个自旋锁实现。</div><div class="ttdef"><b>Definition:</b> spinlock.h:14</div></div>

  396. <div class="ttc" id="astructresumef_1_1state__future__t_html"><div class="ttname"><a href="structresumef_1_1state__future__t.html">resumef::state_future_t</a></div><div class="ttdoc">专用于future_t&lt;&gt;的state基类，实现了针对于future_t&lt;&gt;的公共方法等。</div><div class="ttdef"><b>Definition:</b> state.h:98</div></div>

  397. <div class="ttc" id="astructresumef_1_1state__t_html"><div class="ttname"><a href="structresumef_1_1state__t.html">resumef::state_t</a></div><div class="ttdoc">专用于future_t&lt;&gt;的state类。</div><div class="ttdef"><b>Definition:</b> state.h:217</div></div>

  398. <div class="ttc" id="astructresumef_1_1state__generator__t_html"><div class="ttname"><a href="structresumef_1_1state__generator__t.html">resumef::state_generator_t</a></div><div class="ttdoc">专用于generator_t&lt;&gt;的state类。</div><div class="ttdef"><b>Definition:</b> state.h:70</div></div>

  399. <!-- start footer part -->

  400. <hr class="footer"/><address class="footer"><small>

  401. 制作者 &#160;<a href="http://www.doxygen.org/index.html">

  402. <img class="footer" src="doxygen.png" alt="doxygen"/>

  403. </a> 1.8.17

  404. </small></address>

  405. </body>

  406. </html>