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 - <div class="title">Mutex.hpp</div>  </div>
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 - <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span> <span class="comment">/*</span></div>
 - <div class="line"><a name="l00002"></a><span class="lineno">    2</span> <span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>
 - <div class="line"><a name="l00003"></a><span class="lineno">    3</span> <span class="comment"> * Copyright (C) 2012-2016 Filipe Coelho <falktx@falktx.com></span></div>
 - <div class="line"><a name="l00004"></a><span class="lineno">    4</span> <span class="comment"> *</span></div>
 - <div class="line"><a name="l00005"></a><span class="lineno">    5</span> <span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>
 - <div class="line"><a name="l00006"></a><span class="lineno">    6</span> <span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>
 - <div class="line"><a name="l00007"></a><span class="lineno">    7</span> <span class="comment"> * permission notice appear in all copies.</span></div>
 - <div class="line"><a name="l00008"></a><span class="lineno">    8</span> <span class="comment"> *</span></div>
 - <div class="line"><a name="l00009"></a><span class="lineno">    9</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>
 - <div class="line"><a name="l00010"></a><span class="lineno">   10</span> <span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>
 - <div class="line"><a name="l00011"></a><span class="lineno">   11</span> <span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>
 - <div class="line"><a name="l00012"></a><span class="lineno">   12</span> <span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>
 - <div class="line"><a name="l00013"></a><span class="lineno">   13</span> <span class="comment"> * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN</span></div>
 - <div class="line"><a name="l00014"></a><span class="lineno">   14</span> <span class="comment"> * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
 - <div class="line"><a name="l00015"></a><span class="lineno">   15</span> <span class="comment"> */</span></div>
 - <div class="line"><a name="l00016"></a><span class="lineno">   16</span>  </div>
 - <div class="line"><a name="l00017"></a><span class="lineno">   17</span> <span class="preprocessor">#ifndef DISTRHO_MUTEX_HPP_INCLUDED</span></div>
 - <div class="line"><a name="l00018"></a><span class="lineno">   18</span> <span class="preprocessor">#define DISTRHO_MUTEX_HPP_INCLUDED</span></div>
 - <div class="line"><a name="l00019"></a><span class="lineno">   19</span>  </div>
 - <div class="line"><a name="l00020"></a><span class="lineno">   20</span> <span class="preprocessor">#include "../DistrhoUtils.hpp"</span></div>
 - <div class="line"><a name="l00021"></a><span class="lineno">   21</span>  </div>
 - <div class="line"><a name="l00022"></a><span class="lineno">   22</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00023"></a><span class="lineno">   23</span> <span class="preprocessor"># include <winsock2.h></span></div>
 - <div class="line"><a name="l00024"></a><span class="lineno">   24</span> <span class="preprocessor"># include <windows.h></span></div>
 - <div class="line"><a name="l00025"></a><span class="lineno">   25</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00026"></a><span class="lineno">   26</span>  </div>
 - <div class="line"><a name="l00027"></a><span class="lineno">   27</span> <span class="preprocessor">#include <pthread.h></span></div>
 - <div class="line"><a name="l00028"></a><span class="lineno">   28</span>  </div>
 - <div class="line"><a name="l00029"></a><span class="lineno">   29</span> START_NAMESPACE_DISTRHO</div>
 - <div class="line"><a name="l00030"></a><span class="lineno">   30</span>  </div>
 - <div class="line"><a name="l00031"></a><span class="lineno">   31</span> <span class="keyword">class </span><a class="code" href="classSignal.html">Signal</a>;</div>
 - <div class="line"><a name="l00032"></a><span class="lineno">   32</span>  </div>
 - <div class="line"><a name="l00033"></a><span class="lineno">   33</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00034"></a><span class="lineno">   34</span> <span class="comment">// Mutex class</span></div>
 - <div class="line"><a name="l00035"></a><span class="lineno">   35</span>  </div>
 - <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classMutex.html">   36</a></span> <span class="keyword">class </span><a class="code" href="classMutex.html">Mutex</a></div>
 - <div class="line"><a name="l00037"></a><span class="lineno">   37</span> {</div>
 - <div class="line"><a name="l00038"></a><span class="lineno">   38</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00039"></a><span class="lineno">   39</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00040"></a><span class="lineno">   40</span> <span class="comment">     * Constructor.</span></div>
 - <div class="line"><a name="l00041"></a><span class="lineno">   41</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00042"></a><span class="lineno">   42</span>     <a class="code" href="classMutex.html">Mutex</a>(<span class="keywordtype">bool</span> inheritPriority = <span class="keyword">true</span>) noexcept</div>
 - <div class="line"><a name="l00043"></a><span class="lineno">   43</span>         : fMutex()</div>
 - <div class="line"><a name="l00044"></a><span class="lineno">   44</span>     {</div>
 - <div class="line"><a name="l00045"></a><span class="lineno">   45</span>         pthread_mutexattr_t attr;</div>
 - <div class="line"><a name="l00046"></a><span class="lineno">   46</span>         pthread_mutexattr_init(&attr);</div>
 - <div class="line"><a name="l00047"></a><span class="lineno">   47</span>         pthread_mutexattr_setprotocol(&attr, inheritPriority ? PTHREAD_PRIO_INHERIT : PTHREAD_PRIO_NONE);</div>
 - <div class="line"><a name="l00048"></a><span class="lineno">   48</span>         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL);</div>
 - <div class="line"><a name="l00049"></a><span class="lineno">   49</span>         pthread_mutex_init(&fMutex, &attr);</div>
 - <div class="line"><a name="l00050"></a><span class="lineno">   50</span>         pthread_mutexattr_destroy(&attr);</div>
 - <div class="line"><a name="l00051"></a><span class="lineno">   51</span>     }</div>
 - <div class="line"><a name="l00052"></a><span class="lineno">   52</span>  </div>
 - <div class="line"><a name="l00053"></a><span class="lineno">   53</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00054"></a><span class="lineno">   54</span> <span class="comment">     * Destructor.</span></div>
 - <div class="line"><a name="l00055"></a><span class="lineno">   55</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00056"></a><span class="lineno">   56</span>     ~<a class="code" href="classMutex.html">Mutex</a>() noexcept</div>
 - <div class="line"><a name="l00057"></a><span class="lineno">   57</span>     {</div>
 - <div class="line"><a name="l00058"></a><span class="lineno">   58</span>         pthread_mutex_destroy(&fMutex);</div>
 - <div class="line"><a name="l00059"></a><span class="lineno">   59</span>     }</div>
 - <div class="line"><a name="l00060"></a><span class="lineno">   60</span>  </div>
 - <div class="line"><a name="l00061"></a><span class="lineno">   61</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00062"></a><span class="lineno">   62</span> <span class="comment">     * Lock the mutex.</span></div>
 - <div class="line"><a name="l00063"></a><span class="lineno">   63</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00064"></a><span class="lineno">   64</span>     <span class="keywordtype">void</span> lock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00065"></a><span class="lineno">   65</span>     {</div>
 - <div class="line"><a name="l00066"></a><span class="lineno">   66</span>         pthread_mutex_lock(&fMutex);</div>
 - <div class="line"><a name="l00067"></a><span class="lineno">   67</span>     }</div>
 - <div class="line"><a name="l00068"></a><span class="lineno">   68</span>  </div>
 - <div class="line"><a name="l00069"></a><span class="lineno">   69</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00070"></a><span class="lineno">   70</span> <span class="comment">     * Try to lock the mutex.</span></div>
 - <div class="line"><a name="l00071"></a><span class="lineno">   71</span> <span class="comment">     * Returns true if successful.</span></div>
 - <div class="line"><a name="l00072"></a><span class="lineno">   72</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00073"></a><span class="lineno">   73</span>     <span class="keywordtype">bool</span> tryLock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00074"></a><span class="lineno">   74</span>     {</div>
 - <div class="line"><a name="l00075"></a><span class="lineno">   75</span>         <span class="keywordflow">return</span> (pthread_mutex_trylock(&fMutex) == 0);</div>
 - <div class="line"><a name="l00076"></a><span class="lineno">   76</span>     }</div>
 - <div class="line"><a name="l00077"></a><span class="lineno">   77</span>  </div>
 - <div class="line"><a name="l00078"></a><span class="lineno">   78</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00079"></a><span class="lineno">   79</span> <span class="comment">     * Unlock the mutex.</span></div>
 - <div class="line"><a name="l00080"></a><span class="lineno">   80</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00081"></a><span class="lineno">   81</span>     <span class="keywordtype">void</span> unlock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00082"></a><span class="lineno">   82</span>     {</div>
 - <div class="line"><a name="l00083"></a><span class="lineno">   83</span>         pthread_mutex_unlock(&fMutex);</div>
 - <div class="line"><a name="l00084"></a><span class="lineno">   84</span>     }</div>
 - <div class="line"><a name="l00085"></a><span class="lineno">   85</span>  </div>
 - <div class="line"><a name="l00086"></a><span class="lineno">   86</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00087"></a><span class="lineno">   87</span>     <span class="keyword">mutable</span> pthread_mutex_t fMutex;</div>
 - <div class="line"><a name="l00088"></a><span class="lineno">   88</span>  </div>
 - <div class="line"><a name="l00089"></a><span class="lineno">   89</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00090"></a><span class="lineno">   90</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classMutex.html">Mutex</a>)</div>
 - <div class="line"><a name="l00091"></a><span class="lineno">   91</span> };</div>
 - <div class="line"><a name="l00092"></a><span class="lineno">   92</span>  </div>
 - <div class="line"><a name="l00093"></a><span class="lineno">   93</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00094"></a><span class="lineno">   94</span> <span class="comment">// RecursiveMutex class</span></div>
 - <div class="line"><a name="l00095"></a><span class="lineno">   95</span>  </div>
 - <div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classRecursiveMutex.html">   96</a></span> <span class="keyword">class </span><a class="code" href="classRecursiveMutex.html">RecursiveMutex</a></div>
 - <div class="line"><a name="l00097"></a><span class="lineno">   97</span> {</div>
 - <div class="line"><a name="l00098"></a><span class="lineno">   98</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00099"></a><span class="lineno">   99</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00100"></a><span class="lineno">  100</span> <span class="comment">     * Constructor.</span></div>
 - <div class="line"><a name="l00101"></a><span class="lineno">  101</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00102"></a><span class="lineno">  102</span>     <a class="code" href="classRecursiveMutex.html">RecursiveMutex</a>() noexcept</div>
 - <div class="line"><a name="l00103"></a><span class="lineno">  103</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00104"></a><span class="lineno">  104</span>         : fSection()</div>
 - <div class="line"><a name="l00105"></a><span class="lineno">  105</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00106"></a><span class="lineno">  106</span>         : fMutex()</div>
 - <div class="line"><a name="l00107"></a><span class="lineno">  107</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00108"></a><span class="lineno">  108</span>     {</div>
 - <div class="line"><a name="l00109"></a><span class="lineno">  109</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00110"></a><span class="lineno">  110</span>         InitializeCriticalSection(&fSection);</div>
 - <div class="line"><a name="l00111"></a><span class="lineno">  111</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00112"></a><span class="lineno">  112</span>         pthread_mutexattr_t attr;</div>
 - <div class="line"><a name="l00113"></a><span class="lineno">  113</span>         pthread_mutexattr_init(&attr);</div>
 - <div class="line"><a name="l00114"></a><span class="lineno">  114</span>         pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT);</div>
 - <div class="line"><a name="l00115"></a><span class="lineno">  115</span>         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);</div>
 - <div class="line"><a name="l00116"></a><span class="lineno">  116</span>         pthread_mutex_init(&fMutex, &attr);</div>
 - <div class="line"><a name="l00117"></a><span class="lineno">  117</span>         pthread_mutexattr_destroy(&attr);</div>
 - <div class="line"><a name="l00118"></a><span class="lineno">  118</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00119"></a><span class="lineno">  119</span>     }</div>
 - <div class="line"><a name="l00120"></a><span class="lineno">  120</span>  </div>
 - <div class="line"><a name="l00121"></a><span class="lineno">  121</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00122"></a><span class="lineno">  122</span> <span class="comment">     * Destructor.</span></div>
 - <div class="line"><a name="l00123"></a><span class="lineno">  123</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00124"></a><span class="lineno">  124</span>     ~<a class="code" href="classRecursiveMutex.html">RecursiveMutex</a>() noexcept</div>
 - <div class="line"><a name="l00125"></a><span class="lineno">  125</span>     {</div>
 - <div class="line"><a name="l00126"></a><span class="lineno">  126</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00127"></a><span class="lineno">  127</span>         DeleteCriticalSection(&fSection);</div>
 - <div class="line"><a name="l00128"></a><span class="lineno">  128</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00129"></a><span class="lineno">  129</span>         pthread_mutex_destroy(&fMutex);</div>
 - <div class="line"><a name="l00130"></a><span class="lineno">  130</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00131"></a><span class="lineno">  131</span>     }</div>
 - <div class="line"><a name="l00132"></a><span class="lineno">  132</span>  </div>
 - <div class="line"><a name="l00133"></a><span class="lineno">  133</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00134"></a><span class="lineno">  134</span> <span class="comment">     * Lock the mutex.</span></div>
 - <div class="line"><a name="l00135"></a><span class="lineno">  135</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00136"></a><span class="lineno">  136</span>     <span class="keywordtype">void</span> lock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00137"></a><span class="lineno">  137</span>     {</div>
 - <div class="line"><a name="l00138"></a><span class="lineno">  138</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00139"></a><span class="lineno">  139</span>         EnterCriticalSection(&fSection);</div>
 - <div class="line"><a name="l00140"></a><span class="lineno">  140</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00141"></a><span class="lineno">  141</span>         pthread_mutex_lock(&fMutex);</div>
 - <div class="line"><a name="l00142"></a><span class="lineno">  142</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00143"></a><span class="lineno">  143</span>     }</div>
 - <div class="line"><a name="l00144"></a><span class="lineno">  144</span>  </div>
 - <div class="line"><a name="l00145"></a><span class="lineno">  145</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00146"></a><span class="lineno">  146</span> <span class="comment">     * Try to lock the mutex.</span></div>
 - <div class="line"><a name="l00147"></a><span class="lineno">  147</span> <span class="comment">     * Returns true if successful.</span></div>
 - <div class="line"><a name="l00148"></a><span class="lineno">  148</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00149"></a><span class="lineno">  149</span>     <span class="keywordtype">bool</span> tryLock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00150"></a><span class="lineno">  150</span>     {</div>
 - <div class="line"><a name="l00151"></a><span class="lineno">  151</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00152"></a><span class="lineno">  152</span>         <span class="keywordflow">return</span> (TryEnterCriticalSection(&fSection) != FALSE);</div>
 - <div class="line"><a name="l00153"></a><span class="lineno">  153</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00154"></a><span class="lineno">  154</span>         <span class="keywordflow">return</span> (pthread_mutex_trylock(&fMutex) == 0);</div>
 - <div class="line"><a name="l00155"></a><span class="lineno">  155</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00156"></a><span class="lineno">  156</span>     }</div>
 - <div class="line"><a name="l00157"></a><span class="lineno">  157</span>  </div>
 - <div class="line"><a name="l00158"></a><span class="lineno">  158</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00159"></a><span class="lineno">  159</span> <span class="comment">     * Unlock the mutex.</span></div>
 - <div class="line"><a name="l00160"></a><span class="lineno">  160</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00161"></a><span class="lineno">  161</span>     <span class="keywordtype">void</span> unlock() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00162"></a><span class="lineno">  162</span>     {</div>
 - <div class="line"><a name="l00163"></a><span class="lineno">  163</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00164"></a><span class="lineno">  164</span>         LeaveCriticalSection(&fSection);</div>
 - <div class="line"><a name="l00165"></a><span class="lineno">  165</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00166"></a><span class="lineno">  166</span>         pthread_mutex_unlock(&fMutex);</div>
 - <div class="line"><a name="l00167"></a><span class="lineno">  167</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00168"></a><span class="lineno">  168</span>     }</div>
 - <div class="line"><a name="l00169"></a><span class="lineno">  169</span>  </div>
 - <div class="line"><a name="l00170"></a><span class="lineno">  170</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00171"></a><span class="lineno">  171</span> <span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
 - <div class="line"><a name="l00172"></a><span class="lineno">  172</span>     <span class="keyword">mutable</span> CRITICAL_SECTION fSection;</div>
 - <div class="line"><a name="l00173"></a><span class="lineno">  173</span> <span class="preprocessor">#else</span></div>
 - <div class="line"><a name="l00174"></a><span class="lineno">  174</span>     <span class="keyword">mutable</span> pthread_mutex_t fMutex;</div>
 - <div class="line"><a name="l00175"></a><span class="lineno">  175</span> <span class="preprocessor">#endif</span></div>
 - <div class="line"><a name="l00176"></a><span class="lineno">  176</span>  </div>
 - <div class="line"><a name="l00177"></a><span class="lineno">  177</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00178"></a><span class="lineno">  178</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classRecursiveMutex.html">RecursiveMutex</a>)</div>
 - <div class="line"><a name="l00179"></a><span class="lineno">  179</span> };</div>
 - <div class="line"><a name="l00180"></a><span class="lineno">  180</span>  </div>
 - <div class="line"><a name="l00181"></a><span class="lineno">  181</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00182"></a><span class="lineno">  182</span> <span class="comment">// Signal class</span></div>
 - <div class="line"><a name="l00183"></a><span class="lineno">  183</span>  </div>
 - <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classSignal.html">  184</a></span> <span class="keyword">class </span><a class="code" href="classSignal.html">Signal</a></div>
 - <div class="line"><a name="l00185"></a><span class="lineno">  185</span> {</div>
 - <div class="line"><a name="l00186"></a><span class="lineno">  186</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00187"></a><span class="lineno">  187</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00188"></a><span class="lineno">  188</span> <span class="comment">     * Constructor.</span></div>
 - <div class="line"><a name="l00189"></a><span class="lineno">  189</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00190"></a><span class="lineno">  190</span>     <a class="code" href="classSignal.html">Signal</a>() noexcept</div>
 - <div class="line"><a name="l00191"></a><span class="lineno">  191</span>         : fCondition(),</div>
 - <div class="line"><a name="l00192"></a><span class="lineno">  192</span>           fMutex(),</div>
 - <div class="line"><a name="l00193"></a><span class="lineno">  193</span>           fTriggered(<span class="keyword">false</span>)</div>
 - <div class="line"><a name="l00194"></a><span class="lineno">  194</span>     {</div>
 - <div class="line"><a name="l00195"></a><span class="lineno">  195</span>         pthread_condattr_t cattr;</div>
 - <div class="line"><a name="l00196"></a><span class="lineno">  196</span>         pthread_condattr_init(&cattr);</div>
 - <div class="line"><a name="l00197"></a><span class="lineno">  197</span>         pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_PRIVATE);</div>
 - <div class="line"><a name="l00198"></a><span class="lineno">  198</span>         pthread_cond_init(&fCondition, &cattr);</div>
 - <div class="line"><a name="l00199"></a><span class="lineno">  199</span>         pthread_condattr_destroy(&cattr);</div>
 - <div class="line"><a name="l00200"></a><span class="lineno">  200</span>  </div>
 - <div class="line"><a name="l00201"></a><span class="lineno">  201</span>         pthread_mutexattr_t mattr;</div>
 - <div class="line"><a name="l00202"></a><span class="lineno">  202</span>         pthread_mutexattr_init(&mattr);</div>
 - <div class="line"><a name="l00203"></a><span class="lineno">  203</span>         pthread_mutexattr_setprotocol(&mattr, PTHREAD_PRIO_INHERIT);</div>
 - <div class="line"><a name="l00204"></a><span class="lineno">  204</span>         pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_NORMAL);</div>
 - <div class="line"><a name="l00205"></a><span class="lineno">  205</span>         pthread_mutex_init(&fMutex, &mattr);</div>
 - <div class="line"><a name="l00206"></a><span class="lineno">  206</span>         pthread_mutexattr_destroy(&mattr);</div>
 - <div class="line"><a name="l00207"></a><span class="lineno">  207</span>     }</div>
 - <div class="line"><a name="l00208"></a><span class="lineno">  208</span>  </div>
 - <div class="line"><a name="l00209"></a><span class="lineno">  209</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00210"></a><span class="lineno">  210</span> <span class="comment">     * Destructor.</span></div>
 - <div class="line"><a name="l00211"></a><span class="lineno">  211</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00212"></a><span class="lineno">  212</span>     ~<a class="code" href="classSignal.html">Signal</a>() noexcept</div>
 - <div class="line"><a name="l00213"></a><span class="lineno">  213</span>     {</div>
 - <div class="line"><a name="l00214"></a><span class="lineno">  214</span>         pthread_cond_destroy(&fCondition);</div>
 - <div class="line"><a name="l00215"></a><span class="lineno">  215</span>         pthread_mutex_destroy(&fMutex);</div>
 - <div class="line"><a name="l00216"></a><span class="lineno">  216</span>     }</div>
 - <div class="line"><a name="l00217"></a><span class="lineno">  217</span>  </div>
 - <div class="line"><a name="l00218"></a><span class="lineno">  218</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00219"></a><span class="lineno">  219</span> <span class="comment">     * Wait for a signal.</span></div>
 - <div class="line"><a name="l00220"></a><span class="lineno">  220</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00221"></a><span class="lineno">  221</span>     <span class="keywordtype">void</span> wait() noexcept</div>
 - <div class="line"><a name="l00222"></a><span class="lineno">  222</span>     {</div>
 - <div class="line"><a name="l00223"></a><span class="lineno">  223</span>         pthread_mutex_lock(&fMutex);</div>
 - <div class="line"><a name="l00224"></a><span class="lineno">  224</span>  </div>
 - <div class="line"><a name="l00225"></a><span class="lineno">  225</span>         <span class="keywordflow">while</span> (! fTriggered)</div>
 - <div class="line"><a name="l00226"></a><span class="lineno">  226</span>         {</div>
 - <div class="line"><a name="l00227"></a><span class="lineno">  227</span>             <span class="keywordflow">try</span> {</div>
 - <div class="line"><a name="l00228"></a><span class="lineno">  228</span>                 pthread_cond_wait(&fCondition, &fMutex);</div>
 - <div class="line"><a name="l00229"></a><span class="lineno">  229</span>             } DISTRHO_SAFE_EXCEPTION(<span class="stringliteral">"pthread_cond_wait"</span>);</div>
 - <div class="line"><a name="l00230"></a><span class="lineno">  230</span>         }</div>
 - <div class="line"><a name="l00231"></a><span class="lineno">  231</span>  </div>
 - <div class="line"><a name="l00232"></a><span class="lineno">  232</span>         fTriggered = <span class="keyword">false</span>;</div>
 - <div class="line"><a name="l00233"></a><span class="lineno">  233</span>  </div>
 - <div class="line"><a name="l00234"></a><span class="lineno">  234</span>         pthread_mutex_unlock(&fMutex);</div>
 - <div class="line"><a name="l00235"></a><span class="lineno">  235</span>     }</div>
 - <div class="line"><a name="l00236"></a><span class="lineno">  236</span>  </div>
 - <div class="line"><a name="l00237"></a><span class="lineno">  237</span>     <span class="comment">/*</span></div>
 - <div class="line"><a name="l00238"></a><span class="lineno">  238</span> <span class="comment">     * Wake up all waiting threads.</span></div>
 - <div class="line"><a name="l00239"></a><span class="lineno">  239</span> <span class="comment">     */</span></div>
 - <div class="line"><a name="l00240"></a><span class="lineno">  240</span>     <span class="keywordtype">void</span> signal() noexcept</div>
 - <div class="line"><a name="l00241"></a><span class="lineno">  241</span>     {</div>
 - <div class="line"><a name="l00242"></a><span class="lineno">  242</span>         pthread_mutex_lock(&fMutex);</div>
 - <div class="line"><a name="l00243"></a><span class="lineno">  243</span>  </div>
 - <div class="line"><a name="l00244"></a><span class="lineno">  244</span>         <span class="keywordflow">if</span> (! fTriggered)</div>
 - <div class="line"><a name="l00245"></a><span class="lineno">  245</span>         {</div>
 - <div class="line"><a name="l00246"></a><span class="lineno">  246</span>             fTriggered = <span class="keyword">true</span>;</div>
 - <div class="line"><a name="l00247"></a><span class="lineno">  247</span>             pthread_cond_broadcast(&fCondition);</div>
 - <div class="line"><a name="l00248"></a><span class="lineno">  248</span>         }</div>
 - <div class="line"><a name="l00249"></a><span class="lineno">  249</span>  </div>
 - <div class="line"><a name="l00250"></a><span class="lineno">  250</span>         pthread_mutex_unlock(&fMutex);</div>
 - <div class="line"><a name="l00251"></a><span class="lineno">  251</span>     }</div>
 - <div class="line"><a name="l00252"></a><span class="lineno">  252</span>  </div>
 - <div class="line"><a name="l00253"></a><span class="lineno">  253</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00254"></a><span class="lineno">  254</span>     pthread_cond_t  fCondition;</div>
 - <div class="line"><a name="l00255"></a><span class="lineno">  255</span>     pthread_mutex_t fMutex;</div>
 - <div class="line"><a name="l00256"></a><span class="lineno">  256</span>     <span class="keyword">volatile</span> <span class="keywordtype">bool</span>   fTriggered;</div>
 - <div class="line"><a name="l00257"></a><span class="lineno">  257</span>  </div>
 - <div class="line"><a name="l00258"></a><span class="lineno">  258</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00259"></a><span class="lineno">  259</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classSignal.html">Signal</a>)</div>
 - <div class="line"><a name="l00260"></a><span class="lineno">  260</span> };</div>
 - <div class="line"><a name="l00261"></a><span class="lineno">  261</span>  </div>
 - <div class="line"><a name="l00262"></a><span class="lineno">  262</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00263"></a><span class="lineno">  263</span> <span class="comment">// Helper class to lock&unlock a mutex during a function scope.</span></div>
 - <div class="line"><a name="l00264"></a><span class="lineno">  264</span>  </div>
 - <div class="line"><a name="l00265"></a><span class="lineno">  265</span> <span class="keyword">template</span> <<span class="keyword">class</span> Mutex></div>
 - <div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="classScopeLocker.html">  266</a></span> <span class="keyword">class </span><a class="code" href="classScopeLocker.html">ScopeLocker</a></div>
 - <div class="line"><a name="l00267"></a><span class="lineno">  267</span> {</div>
 - <div class="line"><a name="l00268"></a><span class="lineno">  268</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00269"></a><span class="lineno">  269</span>     <a class="code" href="classScopeLocker.html">ScopeLocker</a>(<span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& mutex) noexcept</div>
 - <div class="line"><a name="l00270"></a><span class="lineno">  270</span>         : fMutex(mutex)</div>
 - <div class="line"><a name="l00271"></a><span class="lineno">  271</span>     {</div>
 - <div class="line"><a name="l00272"></a><span class="lineno">  272</span>         fMutex.lock();</div>
 - <div class="line"><a name="l00273"></a><span class="lineno">  273</span>     }</div>
 - <div class="line"><a name="l00274"></a><span class="lineno">  274</span>  </div>
 - <div class="line"><a name="l00275"></a><span class="lineno">  275</span>     ~<a class="code" href="classScopeLocker.html">ScopeLocker</a>() noexcept</div>
 - <div class="line"><a name="l00276"></a><span class="lineno">  276</span>     {</div>
 - <div class="line"><a name="l00277"></a><span class="lineno">  277</span>         fMutex.unlock();</div>
 - <div class="line"><a name="l00278"></a><span class="lineno">  278</span>     }</div>
 - <div class="line"><a name="l00279"></a><span class="lineno">  279</span>  </div>
 - <div class="line"><a name="l00280"></a><span class="lineno">  280</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00281"></a><span class="lineno">  281</span>     <span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& fMutex;</div>
 - <div class="line"><a name="l00282"></a><span class="lineno">  282</span>  </div>
 - <div class="line"><a name="l00283"></a><span class="lineno">  283</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00284"></a><span class="lineno">  284</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classScopeLocker.html">ScopeLocker</a>)</div>
 - <div class="line"><a name="l00285"></a><span class="lineno">  285</span> };</div>
 - <div class="line"><a name="l00286"></a><span class="lineno">  286</span>  </div>
 - <div class="line"><a name="l00287"></a><span class="lineno">  287</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00288"></a><span class="lineno">  288</span> <span class="comment">// Helper class to try-lock&unlock a mutex during a function scope.</span></div>
 - <div class="line"><a name="l00289"></a><span class="lineno">  289</span>  </div>
 - <div class="line"><a name="l00290"></a><span class="lineno">  290</span> <span class="keyword">template</span> <<span class="keyword">class</span> Mutex></div>
 - <div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classScopeTryLocker.html">  291</a></span> <span class="keyword">class </span><a class="code" href="classScopeTryLocker.html">ScopeTryLocker</a></div>
 - <div class="line"><a name="l00292"></a><span class="lineno">  292</span> {</div>
 - <div class="line"><a name="l00293"></a><span class="lineno">  293</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00294"></a><span class="lineno">  294</span>     <a class="code" href="classScopeTryLocker.html">ScopeTryLocker</a>(<span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& mutex) noexcept</div>
 - <div class="line"><a name="l00295"></a><span class="lineno">  295</span>         : fMutex(mutex),</div>
 - <div class="line"><a name="l00296"></a><span class="lineno">  296</span>           fLocked(mutex.tryLock()) {}</div>
 - <div class="line"><a name="l00297"></a><span class="lineno">  297</span>  </div>
 - <div class="line"><a name="l00298"></a><span class="lineno">  298</span>     ~<a class="code" href="classScopeTryLocker.html">ScopeTryLocker</a>() noexcept</div>
 - <div class="line"><a name="l00299"></a><span class="lineno">  299</span>     {</div>
 - <div class="line"><a name="l00300"></a><span class="lineno">  300</span>         <span class="keywordflow">if</span> (fLocked)</div>
 - <div class="line"><a name="l00301"></a><span class="lineno">  301</span>             fMutex.unlock();</div>
 - <div class="line"><a name="l00302"></a><span class="lineno">  302</span>     }</div>
 - <div class="line"><a name="l00303"></a><span class="lineno">  303</span>  </div>
 - <div class="line"><a name="l00304"></a><span class="lineno">  304</span>     <span class="keywordtype">bool</span> wasLocked() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00305"></a><span class="lineno">  305</span>     {</div>
 - <div class="line"><a name="l00306"></a><span class="lineno">  306</span>         <span class="keywordflow">return</span> fLocked;</div>
 - <div class="line"><a name="l00307"></a><span class="lineno">  307</span>     }</div>
 - <div class="line"><a name="l00308"></a><span class="lineno">  308</span>  </div>
 - <div class="line"><a name="l00309"></a><span class="lineno">  309</span>     <span class="keywordtype">bool</span> wasNotLocked() <span class="keyword">const</span> noexcept</div>
 - <div class="line"><a name="l00310"></a><span class="lineno">  310</span>     {</div>
 - <div class="line"><a name="l00311"></a><span class="lineno">  311</span>         <span class="keywordflow">return</span> !fLocked;</div>
 - <div class="line"><a name="l00312"></a><span class="lineno">  312</span>     }</div>
 - <div class="line"><a name="l00313"></a><span class="lineno">  313</span>  </div>
 - <div class="line"><a name="l00314"></a><span class="lineno">  314</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00315"></a><span class="lineno">  315</span>     <span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& fMutex;</div>
 - <div class="line"><a name="l00316"></a><span class="lineno">  316</span>     <span class="keyword">const</span> <span class="keywordtype">bool</span>   fLocked;</div>
 - <div class="line"><a name="l00317"></a><span class="lineno">  317</span>  </div>
 - <div class="line"><a name="l00318"></a><span class="lineno">  318</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00319"></a><span class="lineno">  319</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classScopeTryLocker.html">ScopeTryLocker</a>)</div>
 - <div class="line"><a name="l00320"></a><span class="lineno">  320</span> };</div>
 - <div class="line"><a name="l00321"></a><span class="lineno">  321</span>  </div>
 - <div class="line"><a name="l00322"></a><span class="lineno">  322</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00323"></a><span class="lineno">  323</span> <span class="comment">// Helper class to unlock&lock a mutex during a function scope.</span></div>
 - <div class="line"><a name="l00324"></a><span class="lineno">  324</span>  </div>
 - <div class="line"><a name="l00325"></a><span class="lineno">  325</span> <span class="keyword">template</span> <<span class="keyword">class</span> Mutex></div>
 - <div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classScopeUnlocker.html">  326</a></span> <span class="keyword">class </span><a class="code" href="classScopeUnlocker.html">ScopeUnlocker</a></div>
 - <div class="line"><a name="l00327"></a><span class="lineno">  327</span> {</div>
 - <div class="line"><a name="l00328"></a><span class="lineno">  328</span> <span class="keyword">public</span>:</div>
 - <div class="line"><a name="l00329"></a><span class="lineno">  329</span>     <a class="code" href="classScopeUnlocker.html">ScopeUnlocker</a>(<span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& mutex) noexcept</div>
 - <div class="line"><a name="l00330"></a><span class="lineno">  330</span>         : fMutex(mutex)</div>
 - <div class="line"><a name="l00331"></a><span class="lineno">  331</span>     {</div>
 - <div class="line"><a name="l00332"></a><span class="lineno">  332</span>         fMutex.unlock();</div>
 - <div class="line"><a name="l00333"></a><span class="lineno">  333</span>     }</div>
 - <div class="line"><a name="l00334"></a><span class="lineno">  334</span>  </div>
 - <div class="line"><a name="l00335"></a><span class="lineno">  335</span>     ~<a class="code" href="classScopeUnlocker.html">ScopeUnlocker</a>() noexcept</div>
 - <div class="line"><a name="l00336"></a><span class="lineno">  336</span>     {</div>
 - <div class="line"><a name="l00337"></a><span class="lineno">  337</span>         fMutex.lock();</div>
 - <div class="line"><a name="l00338"></a><span class="lineno">  338</span>     }</div>
 - <div class="line"><a name="l00339"></a><span class="lineno">  339</span>  </div>
 - <div class="line"><a name="l00340"></a><span class="lineno">  340</span> <span class="keyword">private</span>:</div>
 - <div class="line"><a name="l00341"></a><span class="lineno">  341</span>     <span class="keyword">const</span> <a class="code" href="classMutex.html">Mutex</a>& fMutex;</div>
 - <div class="line"><a name="l00342"></a><span class="lineno">  342</span>  </div>
 - <div class="line"><a name="l00343"></a><span class="lineno">  343</span>     DISTRHO_PREVENT_HEAP_ALLOCATION</div>
 - <div class="line"><a name="l00344"></a><span class="lineno">  344</span>     DISTRHO_DECLARE_NON_COPY_CLASS(<a class="code" href="classScopeUnlocker.html">ScopeUnlocker</a>)</div>
 - <div class="line"><a name="l00345"></a><span class="lineno">  345</span> };</div>
 - <div class="line"><a name="l00346"></a><span class="lineno">  346</span>  </div>
 - <div class="line"><a name="l00347"></a><span class="lineno">  347</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00348"></a><span class="lineno">  348</span> <span class="comment">// Define types</span></div>
 - <div class="line"><a name="l00349"></a><span class="lineno">  349</span>  </div>
 - <div class="line"><a name="l00350"></a><span class="lineno">  350</span> <span class="keyword">typedef</span> <a class="code" href="classScopeLocker.html">ScopeLocker<Mutex></a>          <a class="code" href="classScopeLocker.html">MutexLocker</a>;</div>
 - <div class="line"><a name="l00351"></a><span class="lineno">  351</span> <span class="keyword">typedef</span> <a class="code" href="classScopeLocker.html">ScopeLocker<RecursiveMutex></a> <a class="code" href="classScopeLocker.html">RecursiveMutexLocker</a>;</div>
 - <div class="line"><a name="l00352"></a><span class="lineno">  352</span>  </div>
 - <div class="line"><a name="l00353"></a><span class="lineno">  353</span> <span class="keyword">typedef</span> <a class="code" href="classScopeTryLocker.html">ScopeTryLocker<Mutex></a>          <a class="code" href="classScopeTryLocker.html">MutexTryLocker</a>;</div>
 - <div class="line"><a name="l00354"></a><span class="lineno">  354</span> <span class="keyword">typedef</span> <a class="code" href="classScopeTryLocker.html">ScopeTryLocker<RecursiveMutex></a> <a class="code" href="classScopeTryLocker.html">RecursiveMutexTryLocker</a>;</div>
 - <div class="line"><a name="l00355"></a><span class="lineno">  355</span>  </div>
 - <div class="line"><a name="l00356"></a><span class="lineno">  356</span> <span class="keyword">typedef</span> <a class="code" href="classScopeUnlocker.html">ScopeUnlocker<Mutex></a>          <a class="code" href="classScopeUnlocker.html">MutexUnlocker</a>;</div>
 - <div class="line"><a name="l00357"></a><span class="lineno">  357</span> <span class="keyword">typedef</span> <a class="code" href="classScopeUnlocker.html">ScopeUnlocker<RecursiveMutex></a> <a class="code" href="classScopeUnlocker.html">RecursiveMutexUnlocker</a>;</div>
 - <div class="line"><a name="l00358"></a><span class="lineno">  358</span>  </div>
 - <div class="line"><a name="l00359"></a><span class="lineno">  359</span> <span class="comment">// -----------------------------------------------------------------------</span></div>
 - <div class="line"><a name="l00360"></a><span class="lineno">  360</span>  </div>
 - <div class="line"><a name="l00361"></a><span class="lineno">  361</span> END_NAMESPACE_DISTRHO</div>
 - <div class="line"><a name="l00362"></a><span class="lineno">  362</span>  </div>
 - <div class="line"><a name="l00363"></a><span class="lineno">  363</span> <span class="preprocessor">#endif // DISTRHO_MUTEX_HPP_INCLUDED</span></div>
 - </div><!-- fragment --></div><!-- contents -->
 - <div class="ttc" id="aclassSignal_html"><div class="ttname"><a href="classSignal.html">Signal</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:184</div></div>
 - <div class="ttc" id="aclassScopeLocker_html"><div class="ttname"><a href="classScopeLocker.html">ScopeLocker</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:266</div></div>
 - <div class="ttc" id="aclassRecursiveMutex_html"><div class="ttname"><a href="classRecursiveMutex.html">RecursiveMutex</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:96</div></div>
 - <div class="ttc" id="aclassMutex_html"><div class="ttname"><a href="classMutex.html">Mutex</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:36</div></div>
 - <div class="ttc" id="aclassScopeUnlocker_html"><div class="ttname"><a href="classScopeUnlocker.html">ScopeUnlocker</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:326</div></div>
 - <div class="ttc" id="aclassScopeTryLocker_html"><div class="ttname"><a href="classScopeTryLocker.html">ScopeTryLocker</a></div><div class="ttdef"><b>Definition:</b> Mutex.hpp:291</div></div>
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 - Generated on Tue May 18 2021 11:26:31 for DISTRHO Plugin Framework by  <a href="http://www.doxygen.org/index.html">
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