// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // e32\euser\epoc\win32\uc_cwhelp.cpp

 // This file contains the CodeWarrior specific helper code common to eexe and edll

 // 

 //

 #include <e32std.h>

 #include <e32std_private.h>

 // Define LAZY_INIT to allow the runtime to construct itself only when necessary.  This uses less

 // TLS indicies, but is a more fragile approach.

 //

 #define LAZY_INIT

 extern "C" {

 //

 // Dummy versions of CodeWarrior runtime functions.

 //

 // These are only called when we are linked against the DLL version of the runtime, or if these

 // functions aren't present in the static runtime.

 //

 // The original functions are defined in:

 //   c:/apps/Metrowerks/OEM3.1/Symbian_Support/MSL/MSL_C/MSL_Win32/Src/ThreadLocalData.c

 //   c:/apps/Metrowerks/OEM3.1/Symbian_Support/MSL/MSL_C/MSL_Win32/Src/startup.win32.c

 //

 #ifdef LAZY_INIT

 extern int _InitializeThreadDataIndex(void);

 extern int *__get_MSL_init_count(void);

 __declspec(weak) int *__get_MSL_init_count(void)

 	{

 	return NULL;

 	}

 #else

 extern int _CRTStartup();

 #endif

 extern void _CleanUpMSL(void);

 }

 TBool InitCWRuntime()

 	{

 #ifdef LAZY_INIT

 	return ETrue;

 #else

 	return _CRTStartup();

 #endif

 	}

 TBool CleanupCWRuntime()

 	{

 #ifdef LAZY_INIT

 	int* init_count_ptr = __get_MSL_init_count();

 	if (!init_count_ptr)					// if we couldn't link this function, don't attempt cleanup

 		return ETrue;		

 	if (!_InitializeThreadDataIndex())		// make sure runtime is initialised to known state

 		return EFalse;

 	if (++(*init_count_ptr) != 1)			// make it look like _CRTStartup was called

 		return EFalse;

 #else

 	if (*__get_MSL_init_count() < 1)		// _CRTStartup should have been called at least once

 		return EFalse;

 	*__get_MSL_init_count() = 1;			// reset to one so _CleanUpMSL runs

 #endif

 	_CleanUpMSL();							// call into runtime to do cleanup

 	return ETrue;

 	}