sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\cppexceptions\d_unmap.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <e32std_private.h>
sl@0: #include <e32base.h>
sl@0: #include <e32base_private.h>
sl@0: #include "d_unmap.h"
sl@0: 
sl@0: class TAlwaysTrue
sl@0: 	{
sl@0: public:
sl@0: 	TBool val;
sl@0: 	TAlwaysTrue() { val = ETrue; }
sl@0: 	~TAlwaysTrue() { val = EFalse; }
sl@0: 	};
sl@0: 
sl@0: #ifndef NO_STATIC_DATA
sl@0: static TAlwaysTrue alwaysTrue;
sl@0: #endif
sl@0: 
sl@0: // Test C++ stack unwinding
sl@0: class TNeedsCxxCleanup
sl@0: 	{
sl@0: public:
sl@0: 	TNeedsCxxCleanup() : iPtr(NULL) {}
sl@0: 	~TNeedsCxxCleanup() { delete iPtr; }
sl@0: private:
sl@0: 	TInt* iPtr;
sl@0: 	};
sl@0: 
sl@0: void AnotherStackLevelL()
sl@0: 	{
sl@0: 	TNeedsCxxCleanup foo;
sl@0: 	User::Leave(KErrGeneral);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void Ordinal1L()
sl@0: 	{
sl@0: 	TNeedsCxxCleanup bar;
sl@0: 	AnotherStackLevelL();
sl@0: 	}
sl@0: 
sl@0: // Test DLL unloading
sl@0: NONSHARABLE_CLASS( CDllUnloader ) : public CTimer
sl@0: 	{
sl@0: public:
sl@0: 	static CDllUnloader* NewL();
sl@0: 
sl@0: private:
sl@0: 	CDllUnloader();
sl@0: 	void ConstructL();
sl@0: 
sl@0: private:
sl@0: 	void RunL();
sl@0: 
sl@0: private:
sl@0: 	RLibrary iLibrary;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: CDllUnloader::CDllUnloader()
sl@0: 	: CTimer(EPriorityNormal)
sl@0: 	{
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: void CDllUnloader::ConstructL()
sl@0: 	{
sl@0: 	CTimer::ConstructL();
sl@0: 	User::LeaveIfError(iLibrary.Load(KLeavingDll));
sl@0: 	}
sl@0: 
sl@0: CDllUnloader* CDllUnloader::NewL()
sl@0: 	{
sl@0: 	CDllUnloader* self = new(ELeave) CDllUnloader();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CDllUnloader::RunL()
sl@0: 	{
sl@0: 	// Temporary copy of handle
sl@0: 	RLibrary library(iLibrary);
sl@0: 
sl@0: 	// Prevent the AS calling back into us later
sl@0: 	// - everything is poison now
sl@0: 	delete this;
sl@0: 
sl@0: 	// Push the library handle onto the cleanupstack for euser to clean up
sl@0: 	CleanupClosePushL(library);
sl@0: 
sl@0: 	// Prevent [Run]Error() from being called...
sl@0: 	// - effect thread diversion out of the DLL
sl@0: 	// - and breath a sigh of relief that you've been so cunning
sl@0: 	User::Leave(KErrNone);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool Ordinal2()
sl@0: 	{
sl@0: 	/*
sl@0: 	CDllUnloader* unloader = CDllUnloader::NewL();
sl@0: 	unloader->After(1000000);
sl@0: 	*/
sl@0: #ifdef NO_STATIC_DATA
sl@0: 	return EFalse;
sl@0: #else
sl@0: 	return alwaysTrue.val;
sl@0: #endif
sl@0: 	}
sl@0: