author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 16:27:53 +0300 | |
branch | RCL_3 |
changeset 75 | 254b651f304e |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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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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