author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 15 Sep 2010 12:32:36 +0300 | |
branch | RCL_3 |
changeset 122 | 6cadd6867c17 |
parent 114 | a5a39a295112 |
child 130 | 67f2ed48ad91 |
permissions | -rw-r--r-- |
114 | 1 |
/* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: application class. |
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* |
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*/ |
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#include <e32property.h> |
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#include <e32debug.h> |
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#include "hslaunch.h" |
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// ========================= DECLARATIONS ================================== |
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_LIT( KHsExeName, "homescreen.exe" ); |
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const TInt KSleepOnRetry = 250000; // 250ms |
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const TUid KPSCategoryUid = TUid::Uid( 0x200286E3 ); |
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const TInt KPSCrashCountKey = 1; |
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_LIT_SECURITY_POLICY_C1( KPSReadPolicy, ECapabilityReadDeviceData ); |
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_LIT_SECURITY_POLICY_C1( KPSWritePolicy, ECapabilityWriteDeviceData ); |
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// ========================= LOCAL FUNCTIONS ================================== |
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void RunAppL() |
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{ |
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// Construct active scheduler. |
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CActiveScheduler* activeScheduler = new ( ELeave )CActiveScheduler(); |
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CleanupStack::PushL( activeScheduler ); |
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CActiveScheduler::Install( activeScheduler ); |
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// Construct app. |
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CHsLaunch* app = CHsLaunch::NewL(); |
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CleanupStack::PushL( app ); |
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app->Activate(); |
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// Signal startup. |
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RProcess::Rendezvous(KErrNone); |
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// Start active scheduler. |
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CActiveScheduler::Start(); |
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User::LeaveIfError( app->ApplicationReturnValue() ); |
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// Cleanup. |
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CleanupStack::PopAndDestroy( app ); |
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CleanupStack::PopAndDestroy( activeScheduler ); |
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} |
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// ----------------------------------------------------------------------------- |
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// E32Main |
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// entry-point |
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// ----------------------------------------------------------------------------- |
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// |
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TInt E32Main() |
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{ |
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TInt error = KErrNone; |
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__UHEAP_MARK; |
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// Construct cleanup stack. |
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CTrapCleanup* cleanupstack = CTrapCleanup::New(); |
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if( !cleanupstack ) |
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{ |
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error = KErrNoMemory; |
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} |
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// Call next phase of startup. |
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if( !error ) |
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{ |
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TRAP( error, RunAppL() ); |
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} |
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// Cleanup. |
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delete cleanupstack; |
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cleanupstack = NULL; |
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__UHEAP_MARKEND; |
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return error; |
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} |
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// ========================= MEMBER FUNCTIONS ================================== |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::NewL() |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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CHsLaunch* CHsLaunch::NewL() |
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{ |
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CHsLaunch* self = new ( ELeave ) CHsLaunch(); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::ConstructL() |
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// Symbian 2nd phase constructor can leave. |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::ConstructL() |
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{ |
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iShutdownMonitor = CHsShutdownMonitor::NewL( *this ); |
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iShutdownMonitor->StartMonitor(); |
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// Create property to pub/sub. |
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TInt error = RProperty::Define( KPSCrashCountKey, |
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RProperty::EInt, |
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KPSReadPolicy, |
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KPSWritePolicy ); |
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if( error == KErrNone ) |
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{ |
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// Init it to zero. |
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error = RProperty::Set( KPSCategoryUid, KPSCrashCountKey, 0 ); |
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} |
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else if( error == KErrAlreadyExists ) |
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{ |
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error = KErrNone; |
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} |
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User::LeaveIfError( error ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::CHsLaunch() |
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// C++ default constructor can NOT contain any code, that might leave. |
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// ----------------------------------------------------------------------------- |
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CHsLaunch::CHsLaunch() : |
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CActive( EPriorityStandard ), |
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iApplicationReturnValue( KErrNone ) |
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{ |
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CActiveScheduler::Add( this ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::~CHsLaunch() |
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// Destructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CHsLaunch::~CHsLaunch() |
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{ |
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Cancel(); |
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delete iProcessMonitor; |
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iProcessMonitor = NULL; |
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delete iShutdownMonitor; |
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iShutdownMonitor = NULL; |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::Activate() |
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// Set active object to be ran |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::Activate() |
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{ |
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SetActive(); |
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TRequestStatus* tmp = &iStatus; |
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User::RequestComplete( tmp, KErrNone ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::ApplicationReturnValue() |
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// Get application return value |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CHsLaunch::ApplicationReturnValue() |
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{ |
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return iApplicationReturnValue; |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::RunL |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::RunL() |
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122
6cadd6867c17
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
114
diff
changeset
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{ |
6cadd6867c17
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
114
diff
changeset
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// Create process |
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RProcess process; |
122
6cadd6867c17
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
114
diff
changeset
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TInt processError = KErrNone; |
6cadd6867c17
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
114
diff
changeset
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processError = process.Create( KHsExeName, KNullDesC ); |
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TInt monitorError = KErrNone; |
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if( processError == KErrNone ) |
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{ |
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TRAP( monitorError, InitProcessMonitorL( process.Id() ) ); |
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} |
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6cadd6867c17
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
114
diff
changeset
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if( processError == KErrNone ) |
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{ |
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// Make sure process is started even if monitor startup |
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// fails. This will assure that process is not left in |
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// suspended state. Resume can not be called for |
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// already running process (will cause KERN-EXEC 46). |
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process.Resume(); |
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} |
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process.Close(); |
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if( processError != KErrNone || |
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monitorError != KErrNone ) |
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{ |
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/* Error in this method is critical and it might cause |
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* endless active scheduler loop if no active objects are |
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* not triggered. Therefore shutdown. This application |
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* will be restarted by startup sw. */ |
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ShutdownApp( KErrGeneral ); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::DoCancel() |
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// From CActive. |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::DoCancel() |
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{ |
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if( iProcessMonitor ) |
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{ |
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iProcessMonitor->Cancel(); |
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} |
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if( iShutdownMonitor ) |
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{ |
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iShutdownMonitor->Cancel(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::RunError() |
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// From CActive. |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CHsLaunch::RunError( TInt aError ) |
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{ |
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return aError; |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::ProcessEndedL() |
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// From MHsProcessMonitorObserver |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::ProcessEnded( const TExitType& aExitType, |
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const TInt aExitReason, |
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const TExitCategoryName& /*aExitCategory*/ ) |
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{ |
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TInt crashCount = 0; |
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TInt error = RProperty::Get( KPSCategoryUid, |
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KPSCrashCountKey, |
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crashCount ); |
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// increment crash count in cenrep if the process has panic'd or killed with |
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// an error code |
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if( aExitType == EExitPanic || |
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( aExitType == EExitKill && aExitReason != KErrNone ) ) |
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{ |
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if( error == KErrNone ) |
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{ |
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crashCount++; |
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error = RProperty::Set( KPSCategoryUid, |
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KPSCrashCountKey, |
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crashCount ); |
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} |
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if( error == KErrNone ) |
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{ |
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User::After( KSleepOnRetry ); |
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Activate(); |
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} |
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else |
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{ |
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ShutdownApp( error ); |
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} |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::ProcessMonitoringErrorL() |
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// From MHsProcessMonitorObserver |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::ProcessMonitoringError( TInt aError ) |
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{ |
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/* Error in this method is critical and it might cause |
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* endless active scheduler loop if no active objects are |
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* not triggered. Therefore shutdown. This application |
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* will be restarted by startup sw. */ |
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ShutdownApp( aError ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::SystemShutdownEvent() |
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// From MHsShutdownMonitorObserver |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::SystemShutdownEvent() |
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{ |
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// Do not shut down app. Startup app would try to restart this app. |
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// Just deactivate all active objects and wait for power off. |
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if( IsActive() ) |
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{ |
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Cancel(); |
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} |
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else |
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{ |
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DoCancel(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::InitProcessMonitorL() |
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// Initialize process monitor |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::InitProcessMonitorL( const TInt aProcessId ) |
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{ |
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if( iProcessMonitor ) |
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{ |
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delete iProcessMonitor; |
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iProcessMonitor = NULL; |
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} |
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iProcessMonitor = CHsProcessMonitor::NewL( aProcessId, *this ); |
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User::LeaveIfError( iProcessMonitor->StartMonitor() ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CHsLaunch::ShutdownApp() |
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// Shut down application |
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// ----------------------------------------------------------------------------- |
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// |
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void CHsLaunch::ShutdownApp( const TInt aApplicationReturnValue ) |
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{ |
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if( IsActive() ) |
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{ |
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Cancel(); |
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} |
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else |
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{ |
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DoCancel(); |
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} |
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iApplicationReturnValue = aApplicationReturnValue; |
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CActiveScheduler::Stop(); |
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} |
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// End of File |