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<div id="projectbrief">Real-Time Appearance-Based Mapping</div>
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<div class="headertitle"><div class="title">UMutex.h</div></div>
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<div class="contents">
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">* utilite is a cross-platform library with</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">* useful utilities for fast and small developing.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">* Copyright (C) 2010 Mathieu Labbe</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">*</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">* utilite is free library: you can redistribute it and/or modify</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">* it under the terms of the GNU Lesser General Public License as published by</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">* the Free Software Foundation, either version 3 of the License, or</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">* (at your option) any later version.</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">*</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">* utilite is distributed in the hope that it will be useful,</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">* GNU Lesser General Public License for more details.</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">*</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment">* You should have received a copy of the GNU Lesser General Public License</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">* along with this program. If not, see <http://www.gnu.org/licenses/>.</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">*/</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#ifndef UMUTEX_H</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define UMUTEX_H</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <errno.h></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor"> #include "rtabmap/utilite/Win32/UWin32.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor"> #include <pthread.h></span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="foldopen" id="foldopen00054" data-start="{" data-end="};">
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classUMutex.html"> 54</a></span><span class="keyword">class </span><a class="code hl_class" href="classUMutex.html">UMutex</a></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>{</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">public</span>:</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="classUMutex.html#a292198fffdbd7d0d5a550946f156f70e"> 62</a></span> <a class="code hl_function" href="classUMutex.html#a292198fffdbd7d0d5a550946f156f70e">UMutex</a>()</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> InitializeCriticalSection(&C);</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> pthread_mutexattr_t attr;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> pthread_mutexattr_init(&attr);</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> pthread_mutex_init(&M,&attr);</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> pthread_mutexattr_destroy(&attr);</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
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</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">virtual</span> <a class="code hl_class" href="classUMutex.html">~UMutex</a>()</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> {</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> DeleteCriticalSection(&C);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> pthread_mutex_unlock(&M); pthread_mutex_destroy(&M);</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="foldopen" id="foldopen00088" data-start="{" data-end="}">
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"><a class="line" href="classUMutex.html#af42d27a9379e6872e8cf2e5e171e820c"> 88</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classUMutex.html#af42d27a9379e6872e8cf2e5e171e820c">lock</a>()<span class="keyword"> const</span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> EnterCriticalSection(&C); <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> pthread_mutex_lock(&M);</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
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</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="preprocessor"> #if(_WIN32_WINNT >= 0x0400)</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">int</span> <a class="code hl_function" href="classUMutex.html#a6237fbb3142023f92c11989b13207c32">lockTry</a>()<span class="keyword"> const</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> (TryEnterCriticalSection(&C)?0:EBUSY);</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="preprocessor"> #endif</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="preprocessor">#else</span></div>
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<div class="foldopen" id="foldopen00110" data-start="{" data-end="}">
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="classUMutex.html#a6237fbb3142023f92c11989b13207c32"> 110</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classUMutex.html#a6237fbb3142023f92c11989b13207c32">lockTry</a>()<span class="keyword"> const</span></div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> pthread_mutex_trylock(&M);</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
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</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="foldopen" id="foldopen00120" data-start="{" data-end="}">
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"><a class="line" href="classUMutex.html#a4c5b4e04ad4e2f0eda2e8d4325d45d38"> 120</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classUMutex.html#a4c5b4e04ad4e2f0eda2e8d4325d45d38">unlock</a>()<span class="keyword"> const</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> LeaveCriticalSection(&C); <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">return</span> pthread_mutex_unlock(&M);</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
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</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">mutable</span> CRITICAL_SECTION C;</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">mutable</span> pthread_mutex_t M;</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="preprocessor">#endif</span></div>
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||
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">void</span> operator=(<a class="code hl_class" href="classUMutex.html">UMutex</a> &) {}</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_function" href="classUMutex.html#a292198fffdbd7d0d5a550946f156f70e">UMutex</a>( <span class="keyword">const</span> <a class="code hl_class" href="classUMutex.html">UMutex</a> & ) {}</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>};</div>
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</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="foldopen" id="foldopen00164" data-start="{" data-end="};">
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"><a class="line" href="classUScopeMutex.html"> 164</a></span><span class="keyword">class </span><a class="code hl_class" href="classUScopeMutex.html">UScopeMutex</a></div>
|
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>{</div>
|
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span><span class="keyword">public</span>:</div>
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||
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_class" href="classUScopeMutex.html">UScopeMutex</a>(<span class="keyword">const</span> <a class="code hl_class" href="classUMutex.html">UMutex</a> & mutex) :</div>
|
||
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> mutex_(mutex)</div>
|
||
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> {</div>
|
||
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> mutex_.<a class="code hl_function" href="classUMutex.html#af42d27a9379e6872e8cf2e5e171e820c">lock</a>();</div>
|
||
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|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div>
|
||
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// backward compatibility</span></div>
|
||
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|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_class" href="classUScopeMutex.html">UScopeMutex</a>(<a class="code hl_class" href="classUMutex.html">UMutex</a> * mutex) :</div>
|
||
|
|
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> mutex_(*mutex)</div>
|
||
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> {</div>
|
||
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> mutex_.<a class="code hl_function" href="classUMutex.html#af42d27a9379e6872e8cf2e5e171e820c">lock</a>();</div>
|
||
|
|
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
|
||
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <a class="code hl_class" href="classUScopeMutex.html">~UScopeMutex</a>()</div>
|
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> {</div>
|
||
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> mutex_.<a class="code hl_function" href="classUMutex.html#a4c5b4e04ad4e2f0eda2e8d4325d45d38">unlock</a>();</div>
|
||
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|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> }</div>
|
||
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keyword">private</span>:</div>
|
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">const</span> <a class="code hl_class" href="classUMutex.html">UMutex</a> & mutex_;</div>
|
||
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>};</div>
|
||
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</div>
|
||
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
|
||
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|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><span class="preprocessor">#endif </span><span class="comment">// UMUTEX_H</span></div>
|
||
|
|
<div class="ttc" id="aclassUMutex_html"><div class="ttname"><a href="classUMutex.html">UMutex</a></div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00054">UMutex.h:55</a></div></div>
|
||
|
|
<div class="ttc" id="aclassUMutex_html_a292198fffdbd7d0d5a550946f156f70e"><div class="ttname"><a href="classUMutex.html#a292198fffdbd7d0d5a550946f156f70e">UMutex::UMutex</a></div><div class="ttdeci">UMutex()</div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00062">UMutex.h:62</a></div></div>
|
||
|
|
<div class="ttc" id="aclassUMutex_html_a4c5b4e04ad4e2f0eda2e8d4325d45d38"><div class="ttname"><a href="classUMutex.html#a4c5b4e04ad4e2f0eda2e8d4325d45d38">UMutex::unlock</a></div><div class="ttdeci">int unlock() const</div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00120">UMutex.h:120</a></div></div>
|
||
|
|
<div class="ttc" id="aclassUMutex_html_a6237fbb3142023f92c11989b13207c32"><div class="ttname"><a href="classUMutex.html#a6237fbb3142023f92c11989b13207c32">UMutex::lockTry</a></div><div class="ttdeci">int lockTry() const</div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00110">UMutex.h:110</a></div></div>
|
||
|
|
<div class="ttc" id="aclassUMutex_html_af42d27a9379e6872e8cf2e5e171e820c"><div class="ttname"><a href="classUMutex.html#af42d27a9379e6872e8cf2e5e171e820c">UMutex::lock</a></div><div class="ttdeci">int lock() const</div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00088">UMutex.h:88</a></div></div>
|
||
|
|
<div class="ttc" id="aclassUScopeMutex_html"><div class="ttname"><a href="classUScopeMutex.html">UScopeMutex</a></div><div class="ttdef"><b>Definition</b> <a href="UMutex_8h_source.html#l00164">UMutex.h:165</a></div></div>
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