DISTRHO Plugin Framework
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  67. <div class="title">Runner.hpp</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="comment">/*</span></div>
  71. <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>
  72. <div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright (C) 2012-2022 Filipe Coelho &lt;falktx@falktx.com&gt;</span></div>
  73. <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> *</span></div>
  74. <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>
  75. <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>
  76. <div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * permission notice appear in all copies.</span></div>
  77. <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div>
  78. <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>
  79. <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>
  80. <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>
  81. <div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>
  82. <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN</span></div>
  83. <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
  84. <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> */</span></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;<span class="preprocessor">#ifndef DISTRHO_RUNNER_HPP_INCLUDED</span></div>
  87. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#define DISTRHO_RUNNER_HPP_INCLUDED</span></div>
  88. <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
  89. <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../DistrhoUtils.hpp&quot;</span></div>
  90. <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
  91. <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#ifndef DISTRHO_OS_WASM</span></div>
  92. <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"># include &quot;Thread.hpp&quot;</span></div>
  93. <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#else</span></div>
  94. <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"># include &quot;String.hpp&quot;</span></div>
  95. <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor"># include &lt;emscripten/html5.h&gt;</span></div>
  96. <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#endif</span></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;<a class="code" href="group__NamespaceMacros.html#gac4cb97c393d20c28ba19365d844341cd">START_NAMESPACE_DISTRHO</a></div>
  99. <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; </div>
  100. <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#ifdef DISTRHO_RUNNER_INDIRECT_WASM_CALLS</span></div>
  101. <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keywordtype">long</span> d_emscripten_set_interval(<span class="keywordtype">void</span> (*)(<span class="keywordtype">void</span>*), <span class="keywordtype">double</span>, <span class="keywordtype">void</span>*);</div>
  102. <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keywordtype">void</span> d_emscripten_clear_interval(<span class="keywordtype">long</span>);</div>
  103. <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#else</span></div>
  104. <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"># define d_emscripten_set_interval emscripten_set_interval</span></div>
  105. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"># define d_emscripten_clear_interval emscripten_clear_interval</span></div>
  106. <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#endif</span></div>
  107. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
  108. <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">// -------------------------------------------------------------------------------------------------------------------</span></div>
  109. <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// Runner class</span></div>
  110. <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment"></span> </div>
  111. <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">/**</span></div>
  112. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment"> Runner class for DPF.</span></div>
  113. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment"></span> </div>
  114. <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> This is a handy class that handles &quot;idle&quot; time in either background or main thread,</span></div>
  115. <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> whichever is more suitable to the target platform.</span></div>
  116. <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment"> Typically background threads on desktop platforms, main thread on web.</span></div>
  117. <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment"></span> </div>
  118. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="comment"> A single function is expected to be implemented by subclasses,</span></div>
  119. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment"> which directly allows it to stop the runner by returning false.</span></div>
  120. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"></span> </div>
  121. <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment"> You can use it for quick operations that do not need to be handled in the main thread if possible.</span></div>
  122. <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"> The target is to spread out execution over many runs, instead of spending a lot of time on a single task.</span></div>
  123. <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> */</span></div>
  124. <div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classRunner.html"> 55</a></span>&#160;<span class="keyword">class </span><a class="code" href="classRunner.html">Runner</a></div>
  125. <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;{</div>
  126. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="keyword">protected</span>:</div>
  127. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">/*</span></div>
  128. <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment"> * Constructor.</span></div>
  129. <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment"> */</span></div>
  130. <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="classRunner.html">Runner</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> runnerName = <span class="keyword">nullptr</span>) noexcept</div>
  131. <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  132. <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; : fRunnerThread(<span class="keyword">this</span>, runnerName),</div>
  133. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; fTimeInterval(0)</div>
  134. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="preprocessor">#else</span></div>
  135. <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; : fRunnerName(runnerName),</div>
  136. <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; fIntervalId(0)</div>
  137. <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="preprocessor">#endif</span></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; </div>
  141. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">/*</span></div>
  142. <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="comment"> * Destructor.</span></div>
  143. <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment"> */</span></div>
  144. <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="classRunner.html">Runner</a>() <span class="comment">/*noexcept*/</span></div>
  145. <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; {</div>
  146. <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; DISTRHO_SAFE_ASSERT(! isRunnerActive());</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; stopRunner();</div>
  149. <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
  150. <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div>
  151. <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">/*</span></div>
  152. <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment"> * Virtual function to be implemented by the subclass.</span></div>
  153. <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment"> * Return true to keep running, false to stop execution.</span></div>
  154. <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment"> */</span></div>
  155. <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> run() = 0;</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; <span class="comment">/*</span></div>
  158. <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment"> * Check if the runner should stop.</span></div>
  159. <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"> * To be called from inside the runner to know if a stop request has been made.</span></div>
  160. <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment"> */</span></div>
  161. <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordtype">bool</span> shouldRunnerStop() <span class="keyword">const</span> noexcept</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="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  164. <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">return</span> fRunnerThread.shouldThreadExit();</div>
  165. <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="preprocessor"> #else</span></div>
  166. <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">return</span> fIntervalId == 0;</div>
  167. <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"> #endif</span></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; </div>
  170. <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="comment">// ---------------------------------------------------------------------------------------------------------------</span></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">public</span>:</div>
  173. <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="comment">/*</span></div>
  174. <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="comment"> * Check if the runner is active.</span></div>
  175. <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="comment"> */</span></div>
  176. <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordtype">bool</span> isRunnerActive() noexcept</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="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  179. <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> fRunnerThread.isThreadRunning();</div>
  180. <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor"> #else</span></div>
  181. <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">return</span> fIntervalId != 0;</div>
  182. <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="preprocessor"> #endif</span></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="comment">/*</span></div>
  186. <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="comment"> * Start the runner.</span></div>
  187. <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="comment"> */</span></div>
  188. <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordtype">bool</span> startRunner(<span class="keyword">const</span> uint timeIntervalMilliseconds = 0) noexcept</div>
  189. <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; {</div>
  190. <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  191. <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(!fRunnerThread.isThreadRunning(), <span class="keyword">false</span>);</div>
  192. <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; fTimeInterval = timeIntervalMilliseconds;</div>
  193. <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">return</span> fRunnerThread.startThread();</div>
  194. <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="preprocessor"> #else</span></div>
  195. <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(fIntervalId == 0, <span class="keyword">false</span>);</div>
  196. <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; fIntervalId = d_emscripten_set_interval(_entryPoint, timeIntervalMilliseconds, <span class="keyword">this</span>);</div>
  197. <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
  198. <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="preprocessor"> #endif</span></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; <span class="comment">/*</span></div>
  202. <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="comment"> * Stop the runner.</span></div>
  203. <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="comment"> * This will signal the runner to stop if active, and wait until it finishes.</span></div>
  204. <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="comment"> */</span></div>
  205. <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordtype">bool</span> stopRunner() noexcept</div>
  206. <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; {</div>
  207. <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  208. <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> fRunnerThread.stopThread(-1);</div>
  209. <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="preprocessor"> #else</span></div>
  210. <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; signalRunnerShouldStop();</div>
  211. <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
  212. <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="preprocessor"> #endif</span></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="comment">/*</span></div>
  216. <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="comment"> * Tell the runner to stop as soon as possible.</span></div>
  217. <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="comment"> */</span></div>
  218. <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordtype">void</span> signalRunnerShouldStop() noexcept</div>
  219. <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; {</div>
  220. <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  221. <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; fRunnerThread.signalThreadShouldExit();</div>
  222. <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="preprocessor"> #else</span></div>
  223. <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">if</span> (fIntervalId != 0)</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; d_emscripten_clear_interval(fIntervalId);</div>
  226. <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; fIntervalId = 0;</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="preprocessor"> #endif</span></div>
  229. <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
  230. <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; </div>
  231. <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="comment">// ---------------------------------------------------------------------------------------------------------------</span></div>
  232. <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
  233. <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">/*</span></div>
  234. <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="comment"> * Returns the name of the runner.</span></div>
  235. <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="comment"> * This is the name that gets set in the constructor.</span></div>
  236. <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment"> */</span></div>
  237. <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keyword">const</span> <a class="code" href="classString.html">String</a>&amp; getRunnerName() <span class="keyword">const</span> noexcept</div>
  238. <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; {</div>
  239. <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="preprocessor"> #ifndef DISTRHO_OS_WASM</span></div>
  240. <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">return</span> fRunnerThread.getThreadName();</div>
  241. <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="preprocessor"> #else</span></div>
  242. <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordflow">return</span> fRunnerName;</div>
  243. <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="preprocessor"> #endif</span></div>
  244. <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; }</div>
  245. <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; </div>
  246. <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="comment">// ---------------------------------------------------------------------------------------------------------------</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="preprocessor">#ifndef DISTRHO_OS_WASM</span></div>
  250. <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">class </span>RunnerThread : <span class="keyword">public</span> <a class="code" href="classThread.html">Thread</a></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; <a class="code" href="classRunner.html">Runner</a>* <span class="keyword">const</span> runner;</div>
  253. <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; </div>
  254. <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">public</span>:</div>
  255. <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; RunnerThread(<a class="code" href="classRunner.html">Runner</a>* <span class="keyword">const</span> r, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> rn)</div>
  256. <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; : <a class="code" href="classThread.html">Thread</a>(rn),</div>
  257. <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; runner(r) {}</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; <span class="keyword">protected</span>:</div>
  260. <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordtype">void</span> run()<span class="keyword"> override</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="keyword">const</span> uint timeInterval = runner-&gt;fTimeInterval;</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; <span class="keywordflow">while</span> (!shouldThreadExit())</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; <span class="keywordtype">bool</span> stillRunning = <span class="keyword">false</span>;</div>
  267. <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
  268. <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">try</span> {</div>
  269. <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; stillRunning = runner-&gt;run();</div>
  270. <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; } <span class="keywordflow">catch</span>(...) {}</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="keywordflow">if</span> (stillRunning &amp;&amp; !shouldThreadExit())</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; <span class="keywordflow">if</span> (timeInterval != 0)</div>
  275. <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; d_msleep(timeInterval);</div>
  276. <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; </div>
  277. <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="comment">// FIXME</span></div>
  278. <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="comment">// pthread_yield();</span></div>
  279. <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordflow">continue</span>;</div>
  280. <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; }</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; <span class="keywordflow">break</span>;</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 class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; } fRunnerThread;</div>
  286. <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; </div>
  287. <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; uint fTimeInterval;</div>
  288. <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="preprocessor">#else</span></div>
  289. <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keyword">const</span> <a class="code" href="classString.html">String</a> fRunnerName;</div>
  290. <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordtype">long</span> fIntervalId;</div>
  291. <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; </div>
  292. <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordtype">void</span> _runEntryPoint() noexcept</div>
  293. <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; {</div>
  294. <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordtype">bool</span> stillRunning = <span class="keyword">false</span>;</div>
  295. <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; </div>
  296. <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordflow">try</span> {</div>
  297. <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; stillRunning = run();</div>
  298. <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; } <span class="keywordflow">catch</span>(...) {}</div>
  299. <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; </div>
  300. <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">if</span> (fIntervalId != 0 &amp;&amp; !stillRunning)</div>
  301. <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; {</div>
  302. <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; d_emscripten_clear_interval(fIntervalId);</div>
  303. <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; fIntervalId = 0;</div>
  304. <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; }</div>
  305. <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; }</div>
  306. <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; </div>
  307. <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> _entryPoint(<span class="keywordtype">void</span>* <span class="keyword">const</span> userData) noexcept</div>
  308. <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; {</div>
  309. <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keyword">static_cast&lt;</span><a class="code" href="classRunner.html">Runner</a>*<span class="keyword">&gt;</span>(userData)-&gt;_runEntryPoint();</div>
  310. <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; }</div>
  311. <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="preprocessor">#endif</span></div>
  312. <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; </div>
  313. <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; DISTRHO_DECLARE_NON_COPYABLE(<a class="code" href="classRunner.html">Runner</a>)</div>
  314. <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;};</div>
  315. <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; </div>
  316. <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;<span class="comment">// -------------------------------------------------------------------------------------------------------------------</span></div>
  317. <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; </div>
  318. <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;<a class="code" href="group__NamespaceMacros.html#ga3ff541a449593e069a29e92d21e38ef3">END_NAMESPACE_DISTRHO</a></div>
  319. <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; </div>
  320. <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// DISTRHO_RUNNER_HPP_INCLUDED</span></div>
  321. <div class="ttc" id="aclassRunner_html"><div class="ttname"><a href="classRunner.html">Runner</a></div><div class="ttdef"><b>Definition:</b> Runner.hpp:56</div></div>
  322. <div class="ttc" id="aclassString_html"><div class="ttname"><a href="classString.html">String</a></div><div class="ttdef"><b>Definition:</b> String.hpp:35</div></div>
  323. <div class="ttc" id="aclassThread_html"><div class="ttname"><a href="classThread.html">Thread</a></div><div class="ttdef"><b>Definition:</b> Thread.hpp:38</div></div>
  324. <div class="ttc" id="agroup__NamespaceMacros_html_ga3ff541a449593e069a29e92d21e38ef3"><div class="ttname"><a href="group__NamespaceMacros.html#ga3ff541a449593e069a29e92d21e38ef3">END_NAMESPACE_DISTRHO</a></div><div class="ttdeci">#define END_NAMESPACE_DISTRHO</div><div class="ttdef"><b>Definition:</b> DistrhoInfo.hpp:949</div></div>
  325. <div class="ttc" id="agroup__NamespaceMacros_html_gac4cb97c393d20c28ba19365d844341cd"><div class="ttname"><a href="group__NamespaceMacros.html#gac4cb97c393d20c28ba19365d844341cd">START_NAMESPACE_DISTRHO</a></div><div class="ttdeci">#define START_NAMESPACE_DISTRHO</div><div class="ttdef"><b>Definition:</b> DistrhoInfo.hpp:943</div></div>
  326. </div><!-- fragment --></div><!-- contents -->
  327. <!-- start footer part -->
  328. <hr class="footer"/><address class="footer"><small>
  329. Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
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