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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:
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// Name : fdatasync.cpp
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// Part of : LIBC
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// Contains the source for fchdir
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// Version : 1.0
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//
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#include <unistd.h>
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/*
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The fdatasync() function shall force all currently queued I/O operations associated
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with the file indicated by file descriptor fildes to the synchronized I/O completion
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state.The functionality shall be equivalent to fsync() with the symbol ->
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_POSIX_SYNCHRONIZED_IO defined, with the exception that all I/O operations shall be
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completed as defined for synchronized I/O data integrity completion.If successful,
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the fdatasync() function shall return the value 0; otherwise, the function shall
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return the value -1 and set errno to indicate the error.
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*/
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extern "C" {
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EXPORT_C int fdatasync(int filedesc)
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{
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int retVal = -1;
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#ifndef _POSIX_SYNCHRONIZED_IO
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#define _POSIX_SYNCHRONIZED_IO
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#define FLAG_FOR_FSYNC 1
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#endif
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//Calls fsync that provides equivalent functionality.
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retVal = fsync(filedesc);
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#ifdef FLAG_FOR_FSYNC
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#undef _POSIX_SYNCHRONIZED_IO;
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#undef FLAG_FOR_FSYNC
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#endif
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return retVal;
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}
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} //extern "C"
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