/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  Implementation of mmap/munmap/msync.

*

*/

// INCLUDE FILES

#include <sys/mman.h>

#include "mmap.h"

extern "C" 

{

// -----------------------------------------------------------------------------

// Funcation name: mmap

// Description: Provides mmap functionality.

// Returns:  valid address : On success

//           -1    		   : On error

// In case of error, errno value set

//      

// -----------------------------------------------------------------------------

EXPORT_C void* mmap(void */*addr*/, size_t len, int prot, int flags, int fildes, off_t offset)

	{

	//TODO;To validate addr for page boundry and sharedmemory

	return _mmap_r(_REENT, len, prot, flags, fildes, offset);

	}

// -----------------------------------------------------------------------------

// Funcation name: munmap

// Description: Provides munmap functionality.

// Returns:   0 : On success

//           -1 : On error

// In case of error, errno value set

// Remark: support for unmapping part of the mapped pages is not supported

//         Unmap will remove all mappings those were mapped starting from the offset

//         to offset + len (refer to mmap signature)  

// -----------------------------------------------------------------------------

EXPORT_C int munmap(void *addr, size_t len)

	{

	//TODO;To validate addr for page boundry and sharedmemory		

	return _munmap_r(_REENT, addr, len);				

	}

// -----------------------------------------------------------------------------

// Funcation name: msync

// Description: Provides msync functionality.

// Returns:   0 : On success

//           -1 : On error

// In case of error, errno value set

//      

// -----------------------------------------------------------------------------

EXPORT_C int msync(void *addr, size_t len, int flags)

	{	

	return _msync_r(_REENT, addr, len, flags);

	}

// -----------------------------------------------------------------------------

// Funcation name: mprotect

// Description: Provides msync functionality.

// Returns:   0 : On success

//           -1 : On error

// In case of error, errno value set

// Remark: mprotect is only build enabled and not functional     

// -----------------------------------------------------------------------------

EXPORT_C int mprotect(const void *addr, size_t len, int prot)

	{	

	return _mprotect_r(_REENT, addr, len, prot);

	}

} // extern "C"

//  End of File