Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/threadengine_8h_source.html
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<h1>examples/ForumNokia/ThreadExample/inc/threadengine.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">* ============================================================================</span>
<a name="l00003"></a>00003 <span class="comment">* Name : CThreadEngine from CThreadEngine.h</span>
<a name="l00004"></a>00004 <span class="comment">* Part of : Thread</span>
<a name="l00005"></a>00005 <span class="comment">* Created : 04.02.2005 by Forum Nokia</span>
<a name="l00006"></a>00006 <span class="comment">* Description:</span>
<a name="l00007"></a>00007 <span class="comment">* Declares thread handling operations. Intended as an example of thread</span>
<a name="l00008"></a>00008 <span class="comment"> usage and synchronization between several threads.</span>
<a name="l00009"></a>00009 <span class="comment">* Version : 1.0</span>
<a name="l00010"></a>00010 <span class="comment">* Copyright: Nokia Corporation</span>
<a name="l00011"></a>00011 <span class="comment">* ============================================================================</span>
<a name="l00012"></a>00012 <span class="comment">*/</span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#ifndef CTHREADENGINE_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#define CTHREADENGINE_H</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span>
<a name="l00017"></a>00017 <span class="comment">// INCLUDES</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "e32base.h"</span> <span class="comment">//CTimer</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "Threadappview.h"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="comment">// CLASS DECLARATION</span>
<a name="l00022"></a>00022
<a name="l00026"></a><a class="code" href="class_c_thread_engine.html">00026</a> <span class="keyword">class </span><a class="code" href="class_c_thread_engine.html">CThreadEngine</a> : <span class="keyword">public</span> CTimer
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">public</span>:
<a name="l00030"></a>00030
<a name="l00038"></a>00038 <span class="keyword">static</span> <a class="code" href="class_c_thread_engine.html">CThreadEngine</a>* <a class="code" href="class_c_thread_engine.html#af36e9899e337766ff0bd7ee9c5080f60">NewL</a>(<a class="code" href="class_c_thread_app_view.html">CThreadAppView</a>* aView);
<a name="l00039"></a>00039
<a name="l00044"></a>00044 <span class="keyword">static</span> <a class="code" href="class_c_thread_engine.html">CThreadEngine</a>* <a class="code" href="class_c_thread_engine.html#a311d84662a41a7a2221b8d049eb3d525">NewLC</a>(<a class="code" href="class_c_thread_app_view.html">CThreadAppView</a>* aView);
<a name="l00045"></a>00045
<a name="l00050"></a>00050 <a class="code" href="class_c_thread_engine.html#a78c4edde0ad6368f8901dd20170ac889">~CThreadEngine</a>(<span class="keywordtype">void</span>);
<a name="l00051"></a>00051
<a name="l00057"></a>00057 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#a48334d697168092a5e7be817e45fd176">DoCancel</a>();
<a name="l00058"></a>00058
<a name="l00065"></a>00065 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#aec36044be34b754c06dc98a9c2836fdb">RunL</a>();
<a name="l00066"></a>00066
<a name="l00073"></a>00073 TInt <a class="code" href="class_c_thread_engine.html#a7768311c64d094ac44485243026b6e46">RunError</a>(TInt aError);
<a name="l00074"></a>00074
<a name="l00080"></a>00080 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#a0bfcabc0c045354d389f61d355ca0490">StartL</a>();
<a name="l00081"></a>00081
<a name="l00087"></a>00087 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#ad53a8e971af48dd561844863a5ff3888">CreateThreadsL</a>();
<a name="l00088"></a>00088
<a name="l00095"></a>00095 <span class="keyword">static</span> TInt <a class="code" href="class_c_thread_engine.html#ab8dd5de1ec65da63b17fc87dd402f07b">ExecuteThreadOne</a>(TAny *aPtr);
<a name="l00096"></a>00096
<a name="l00103"></a>00103 <span class="keyword">static</span> TInt <a class="code" href="class_c_thread_engine.html#ad2122547b95714aa7dea18f28e77ca14">ExecuteThreadTwo</a>(TAny *aPtr);
<a name="l00104"></a>00104
<a name="l00111"></a>00111 <span class="keyword">static</span> TInt <a class="code" href="class_c_thread_engine.html#a12d8af3f0da569111fe99ebb4101f7b4">ExecuteThreadThree</a>(TAny *aPtr);
<a name="l00112"></a>00112
<a name="l00119"></a>00119 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#a222c982a5bc397dfa3fd17ea37ce4dda">KillThread</a>(TInt aThreadCount);
<a name="l00120"></a>00120
<a name="l00127"></a>00127 <span class="keywordtype">void</span> <a class="code" href="class_c_thread_engine.html#af3982a90e967a486bde825f5aa2ddc55">SetSyncValue</a>(TInt aValue);
<a name="l00128"></a>00128
<a name="l00135"></a>00135 TInt <a class="code" href="class_c_thread_engine.html#a7f6b1665b605dcf900473bce9a9191b9">GetSyncValue</a>() <span class="keyword">const</span>;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keyword">public</span>: <span class="comment">//data members</span>
<a name="l00138"></a>00138 <span class="comment">// Needed for synchronization</span>
<a name="l00139"></a>00139 RMutex iMutex;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keyword">private</span>: <span class="comment">// Basic two-phase EPOC constructors</span>
<a name="l00142"></a>00142
<a name="l00148"></a>00148 <span class="keywordtype">void</span> ConstructL(<a class="code" href="class_c_thread_app_view.html">CThreadAppView</a>* aView);
<a name="l00149"></a>00149
<a name="l00156"></a>00156 <a class="code" href="class_c_thread_engine.html">CThreadEngine</a>(<span class="keywordtype">void</span>);
<a name="l00157"></a>00157
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keyword">private</span>: <span class="comment">// in-class methods</span>
<a name="l00160"></a>00160
<a name="l00168"></a>00168 <span class="keywordtype">void</span> ThreadKilledText(<span class="keyword">const</span> TDesC& aText, TInt aCount);
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keyword">private</span>: <span class="comment">// data members </span>
<a name="l00171"></a>00171 <span class="comment">// for printing </span>
<a name="l00172"></a>00172 <a class="code" href="class_c_thread_app_view.html">CThreadAppView</a>* iView;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">// handles for threads, no need to use Open if all threads have handle connected to them.</span>
<a name="l00175"></a>00175 RThread iThreadOne;
<a name="l00176"></a>00176 RThread iThreadTwo;
<a name="l00177"></a>00177 RThread iThreadThree;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// threadOne uses this to demonstrate usage of an attribute</span>
<a name="l00180"></a>00180 TInt iNotSynchonizedCounter;
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">// threadOne and Two use the same variable. Synchronization is required. </span>
<a name="l00183"></a>00183 TInt iSynchronizedCounter;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="comment">// Threads cannot be killed before they are created. True if they have been created, </span>
<a name="l00186"></a>00186 <span class="comment">// false otherwise.</span>
<a name="l00187"></a>00187 TBool iCreatedThreads;
<a name="l00188"></a>00188 };
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="preprocessor">#endif // CTHREADENGINE</span>
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