sl@0: /*
sl@0: * Copyright (c) 2005-2009 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 "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:  Implementation of mmap/munmap/msync.
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: // INCLUDE FILES
sl@0: 
sl@0: #include <sys/mman.h>
sl@0: #include "mmap.h"
sl@0: 
sl@0: extern "C" 
sl@0: {
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Funcation name: mmap
sl@0: // Description: Provides mmap functionality.
sl@0: // Returns:  valid address : On success
sl@0: //           -1    		   : On error
sl@0: // In case of error, errno value set
sl@0: //      
sl@0: // -----------------------------------------------------------------------------
sl@0: 
sl@0: EXPORT_C void* mmap(void */*addr*/, size_t len, int prot, int flags, int fildes, off_t offset)
sl@0: 	{
sl@0: 	//TODO;To validate addr for page boundry and sharedmemory
sl@0: 	return _mmap_r(_REENT, len, prot, flags, fildes, offset);
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Funcation name: munmap
sl@0: // Description: Provides munmap functionality.
sl@0: // Returns:   0 : On success
sl@0: //           -1 : On error
sl@0: // In case of error, errno value set
sl@0: // Remark: support for unmapping part of the mapped pages is not supported
sl@0: //         Unmap will remove all mappings those were mapped starting from the offset
sl@0: //         to offset + len (refer to mmap signature)  
sl@0: // -----------------------------------------------------------------------------
sl@0: 
sl@0: EXPORT_C int munmap(void *addr, size_t len)
sl@0: 	{
sl@0: 	//TODO;To validate addr for page boundry and sharedmemory		
sl@0: 	return _munmap_r(_REENT, addr, len);				
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Funcation name: msync
sl@0: // Description: Provides msync functionality.
sl@0: // Returns:   0 : On success
sl@0: //           -1 : On error
sl@0: // In case of error, errno value set
sl@0: //      
sl@0: // -----------------------------------------------------------------------------
sl@0: 
sl@0: EXPORT_C int msync(void *addr, size_t len, int flags)
sl@0: 	{	
sl@0: 	return _msync_r(_REENT, addr, len, flags);
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Funcation name: mprotect
sl@0: // Description: Provides msync functionality.
sl@0: // Returns:   0 : On success
sl@0: //           -1 : On error
sl@0: // In case of error, errno value set
sl@0: // Remark: mprotect is only build enabled and not functional     
sl@0: // -----------------------------------------------------------------------------
sl@0: 
sl@0: EXPORT_C int mprotect(const void *addr, size_t len, int prot)
sl@0: 	{	
sl@0: 	return _mprotect_r(_REENT, addr, len, prot);
sl@0: 	}
sl@0: 
sl@0:     
sl@0: } // extern "C"
sl@0: 
sl@0: //  End of File