examples/ForumNokia/ThreadAndActiveObjectsEx/src/threadlistener.cpp

00001 /*
00002  * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
00003  *    
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *    
00007  *  * Redistributions of source code must retain the above copyright notice, this
00008  *    list of conditions and the following disclaimer.
00009  *  * Redistributions in binary form must reproduce the above copyright notice,
00010  *    this list of conditions and the following disclaimer in the documentation
00011  *    and/or other materials provided with the distribution.
00012  *  * Neither the name of Nokia Corporation nor the names of its contributors
00013  *    may be used to endorse or promote products derived from this software
00014  *    without specific prior written permission.
00015  *    
00016  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017  *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018  *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019  *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00020  *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00021  *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00022  *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00023  *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00024  *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00025  *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  *    
00027  *    Description:  
00028  */
00029 
00030 
00031 #include "ThreadListener.h"
00032 
00033 CThreadListener* CThreadListener::NewL(RThread& aThread)
00034     {
00035     CThreadListener* self = CThreadListener::NewLC(aThread);
00036     CleanupStack::Pop(self);
00037     return self;
00038     }
00039 
00040 CThreadListener* CThreadListener::NewLC(RThread& aThread)
00041     {
00042     CThreadListener* self = new (ELeave) CThreadListener();
00043     CleanupStack::PushL(self);
00044     self->ConstructL(aThread);
00045     return self;
00046     }
00047 
00048 // ----------------------------------------------------------------------------
00049 // CThreadListener::CThreadListener()
00050 //
00051 // Constructor.
00052 // ----------------------------------------------------------------------------
00053 CThreadListener::CThreadListener(): 
00054         CActive(EPriorityStandard)
00055         {
00056         }
00057 
00058 // ----------------------------------------------------------------------------
00059 // CThreadListener::CThreadListener()
00060 //
00061 // Destructor.
00062 // ----------------------------------------------------------------------------
00063 CThreadListener::~CThreadListener()
00064         {
00065         Cancel();
00066         iMonitoredThread.Close();
00067         }
00068 
00069 // Standard Symbian OS 2nd phase constructor
00070 void CThreadListener::ConstructL(RThread& aThread)
00071     {
00072         CActiveScheduler::Add(this);
00073         User::LeaveIfError( iMonitoredThread.Open(aThread.Id()) );
00074         iMonitoredThread.Logon(iStatus);
00075         SetActive();
00076     }
00077 
00078 
00079 // ----------------------------------------------------------------------------
00080 // CThreadListener::RunL()
00081 //
00082 // iStatus is given to ThreadOne Logon( ). 
00083 // Logon requests notification when thread1 dies, normally or otherwise.
00084 // ----------------------------------------------------------------------------
00085  void CThreadListener::RunL()
00086         {
00087         // Only in this example:
00088         // Consider any completion value as an error - exit now
00089         User::Exit(0);
00090         }
00091 
00092 // ----------------------------------------------------------------------------
00093 // CThreadListener::DoCancel()
00094 // ----------------------------------------------------------------------------
00095  void CThreadListener::DoCancel()
00096         {
00097         iMonitoredThread.LogonCancel(iStatus);
00098         }

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