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