Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_t_l_s1exe_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/Base/ThreadsAndProcesses/TLS1/TLS1exe.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//TLS1exe.cpp</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00004"></a>00004 <span class="comment">// All rights reserved.</span>
<a name="l00005"></a>00005 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00006"></a>00006 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00007"></a>00007 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00008"></a>00008 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// Initial Contributors:</span>
<a name="l00011"></a>00011 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Contributors:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// Description:</span>
<a name="l00016"></a>00016 <span class="comment">// An example to demonstrate Thread Local Storage (TLS)</span>
<a name="l00017"></a>00017 <span class="comment">// (See also the DLL implementation in TLS1dll.cpp)</span>
<a name="l00018"></a>00018 <span class="comment">//</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// standard example header</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "CommonFramework.h"</span>
<a name="l00022"></a>00022 <span class="comment">// dll header file</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "TLS1dll.h"</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Common literal text</span>
<a name="l00027"></a>00027 <span class="comment">//</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNewLines,<span class="stringliteral">"\n\n"</span>);
<a name="l00030"></a>00030
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// This function uses a statically loaded DLL to create a new CSetter object.</span>
<a name="l00033"></a>00033 <span class="comment">// It then uses this object to set up some static data accessed through </span>
<a name="l00034"></a>00034 <span class="comment">// thread-local storage.</span>
<a name="l00035"></a>00035 <span class="comment">// Thex example then shows how the static data can be accessed through</span>
<a name="l00036"></a>00036 <span class="comment">// the member functions of another class (CGeneral).</span>
<a name="l00037"></a>00037 <span class="comment">// All implementation code for these two classes is provided in the DLL</span>
<a name="l00038"></a>00038 LOCAL_C <span class="keywordtype">void</span> doExampleL()
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="comment">// Introduction</span>
<a name="l00041"></a>00041 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtIntro,<span class="stringliteral">"Thread local storage example (1) \n\n"</span>);
<a name="l00042"></a>00042 console->Printf(KTxtIntro);
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">// Construct CSetter object, set up some static data via the</span>
<a name="l00045"></a>00045 <span class="comment">// thread local storage and use CSetter to show it.</span>
<a name="l00046"></a>00046 <a class="code" href="class_c_setter.html">CSetter</a>* theSetter = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_setter.html">CSetter</a>(*console);
<a name="l00047"></a>00047 CleanupStack::PushL(theSetter);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt1,<span class="stringliteral">"SOME STATIC TEXT"</span>);
<a name="l00050"></a>00050 theSetter->SetStaticTextL(KTxt1);
<a name="l00051"></a>00051 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt2,<span class="stringliteral">"Static data set by CSetter object\n"</span>);
<a name="l00052"></a>00052 console->Printf(KTxt2);
<a name="l00053"></a>00053 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt3,<span class="stringliteral">"Static data displayed by CSetter object...\n"</span>);
<a name="l00054"></a>00054 console->Printf(KTxt3);
<a name="l00055"></a>00055 theSetter->ShowStaticText();
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">// Construct a CGeneral object and see that it can show </span>
<a name="l00058"></a>00058 <span class="comment">// this static data. CGeneral knows nothing about the CSetter object</span>
<a name="l00059"></a>00059 <a class="code" href="class_c_general.html">CGeneral</a>* theGeneral = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_general.html">CGeneral</a>(*console);
<a name="l00060"></a>00060 CleanupStack::Pop();
<a name="l00061"></a>00061 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt4,<span class="stringliteral">"Static data now accessed by CGeneral object...\n"</span>);
<a name="l00062"></a>00062 console->Printf(KTxt4);
<a name="l00063"></a>00063 theGeneral->ShowStaticText();
<a name="l00064"></a>00064 console->Printf(KTxtNewLines);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">// Delete the CSetter object and then use the CGeneral object to</span>
<a name="l00067"></a>00067 <span class="comment">// try and show static data - there should be none.</span>
<a name="l00068"></a>00068 <span class="keyword">delete</span> theSetter;
<a name="l00069"></a>00069 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt5,<span class="stringliteral">"Static data accessed again by CGeneral object after deletion of data...\n"</span>);
<a name="l00070"></a>00070 console->Printf(KTxt5);
<a name="l00071"></a>00071 theGeneral->ShowStaticText();
<a name="l00072"></a>00072 console->Printf(KTxtNewLines);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// tidy up before finishing the example</span>
<a name="l00075"></a>00075 <span class="keyword">delete</span> theGeneral;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078
</pre></div></div>
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