class_mutex_handle.html 10 KB

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  70. <div class="header">
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  72. <a href="#pub-methods">Public Member Functions</a> &#124;
  73. <a href="class_mutex_handle-members.html">List of all members</a> </div>
  74. <div class="headertitle"><div class="title">MutexHandle Class Reference</div></div>
  75. </div><!--header-->
  76. <div class="contents">
  77. <p><code>#include &lt;mutex.h&gt;</code></p>
  78. <table class="memberdecls">
  79. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
  80. Public Member Functions</h2></td></tr>
  81. <tr class="memitem:a59c3d53e04a3299d1a928c4c3eb11ab0" id="r_a59c3d53e04a3299d1a928c4c3eb11ab0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_mutex_handle.html#a59c3d53e04a3299d1a928c4c3eb11ab0">MutexHandle</a> ()</td></tr>
  82. <tr class="separator:a59c3d53e04a3299d1a928c4c3eb11ab0"><td class="memSeparator" colspan="2">&#160;</td></tr>
  83. <tr class="memitem:a85d007b48a9ad9fd6c30ac55c76d5e35" id="r_a85d007b48a9ad9fd6c30ac55c76d5e35"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_mutex_handle.html#a85d007b48a9ad9fd6c30ac55c76d5e35">~MutexHandle</a> ()</td></tr>
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  85. <tr class="memitem:ad1f3013f628e50aa2244bd34876f95f1" id="r_ad1f3013f628e50aa2244bd34876f95f1"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_mutex_handle.html#ad1f3013f628e50aa2244bd34876f95f1">lock</a> (void *mutex, bool blocking=false)</td></tr>
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  87. <tr class="memitem:a9278be8203e1c42e2619179882ae4403" id="r_a9278be8203e1c42e2619179882ae4403"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_mutex_handle.html#a9278be8203e1c42e2619179882ae4403">unlock</a> ()</td></tr>
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  89. </table>
  90. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  91. <div class="textblock"><p>Helper for simplifying mutex locking code.</p>
  92. <p>This class will automatically unlock a mutex that you've locked through it, saving you from managing a lot of complex exit cases. For instance:</p>
  93. <div class="fragment"><div class="line"><a class="code hl_class" href="class_mutex_handle.html">MutexHandle</a> handle;</div>
  94. <div class="line">handle.<a class="code hl_function" href="class_mutex_handle.html#ad1f3013f628e50aa2244bd34876f95f1">lock</a>(myMutex);</div>
  95. <div class="line"> </div>
  96. <div class="line"><span class="keywordflow">if</span>(error1)</div>
  97. <div class="line"> <span class="keywordflow">return</span>; <span class="comment">// Auto-unlocked by handle if we leave here - normally would</span></div>
  98. <div class="line"> <span class="comment">// leave the mutex locked, causing much pain later.</span></div>
  99. <div class="line"> </div>
  100. <div class="line">handle.<a class="code hl_function" href="class_mutex_handle.html#a9278be8203e1c42e2619179882ae4403">unlock</a>();</div>
  101. <div class="ttc" id="aclass_mutex_handle_html"><div class="ttname"><a href="class_mutex_handle.html">MutexHandle</a></div><div class="ttdef"><b>Definition</b> mutex.h:87</div></div>
  102. <div class="ttc" id="aclass_mutex_handle_html_a9278be8203e1c42e2619179882ae4403"><div class="ttname"><a href="class_mutex_handle.html#a9278be8203e1c42e2619179882ae4403">MutexHandle::unlock</a></div><div class="ttdeci">void unlock()</div><div class="ttdef"><b>Definition</b> mutex.h:118</div></div>
  103. <div class="ttc" id="aclass_mutex_handle_html_ad1f3013f628e50aa2244bd34876f95f1"><div class="ttname"><a href="class_mutex_handle.html#ad1f3013f628e50aa2244bd34876f95f1">MutexHandle::lock</a></div><div class="ttdeci">bool lock(void *mutex, bool blocking=false)</div><div class="ttdef"><b>Definition</b> mutex.h:103</div></div>
  104. </div><!-- fragment --> </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
  105. <a id="a59c3d53e04a3299d1a928c4c3eb11ab0" name="a59c3d53e04a3299d1a928c4c3eb11ab0"></a>
  106. <h2 class="memtitle"><span class="permalink"><a href="#a59c3d53e04a3299d1a928c4c3eb11ab0">&#9670;&#160;</a></span>MutexHandle()</h2>
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  114. <td class="memname"><a class="el" href="class_mutex_handle.html">MutexHandle</a> </td>
  115. <td>(</td>
  116. <td class="paramname"></td><td>)</td>
  117. <td></td>
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  129. <h2 class="memtitle"><span class="permalink"><a href="#a85d007b48a9ad9fd6c30ac55c76d5e35">&#9670;&#160;</a></span>~MutexHandle()</h2>
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  137. <td class="memname">~<a class="el" href="class_mutex_handle.html">MutexHandle</a> </td>
  138. <td>(</td>
  139. <td class="paramname"></td><td>)</td>
  140. <td></td>
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  151. <h2 class="groupheader">Member Function Documentation</h2>
  152. <a id="ad1f3013f628e50aa2244bd34876f95f1" name="ad1f3013f628e50aa2244bd34876f95f1"></a>
  153. <h2 class="memtitle"><span class="permalink"><a href="#ad1f3013f628e50aa2244bd34876f95f1">&#9670;&#160;</a></span>lock()</h2>
  154. <div class="memitem">
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  161. <td class="memname">bool lock </td>
  162. <td>(</td>
  163. <td class="paramtype">void *&#160;</td>
  164. <td class="paramname"><em>mutex</em>, </td>
  165. </tr>
  166. <tr>
  167. <td class="paramkey"></td>
  168. <td></td>
  169. <td class="paramtype">bool&#160;</td>
  170. <td class="paramname"><em>blocking</em> = <code>false</code>&#160;</td>
  171. </tr>
  172. <tr>
  173. <td></td>
  174. <td>)</td>
  175. <td></td><td></td>
  176. </tr>
  177. </table>
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  186. <a id="a9278be8203e1c42e2619179882ae4403" name="a9278be8203e1c42e2619179882ae4403"></a>
  187. <h2 class="memtitle"><span class="permalink"><a href="#a9278be8203e1c42e2619179882ae4403">&#9670;&#160;</a></span>unlock()</h2>
  188. <div class="memitem">
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  195. <td class="memname">void unlock </td>
  196. <td>(</td>
  197. <td class="paramname"></td><td>)</td>
  198. <td></td>
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  207. </div>
  208. </div>
  209. <hr/>The documentation for this class was generated from the following file:<ul>
  210. <li>platform/threads/<b>mutex.h</b></li>
  211. </ul>
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