104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: prioritybooster.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: vg $ $Date: 2005-03-10 11:56:09 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifdef WNT
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#include <windows.h>
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#endif
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#include "osl/diagnose.h"
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#include "canvas/prioritybooster.hxx"
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namespace canvas
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{
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namespace tools
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{
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struct PriorityBooster_Impl
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{
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int mnOldPriority;
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};
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PriorityBooster::PriorityBooster( sal_Int32 nDelta ) :
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mpImpl( new PriorityBooster_Impl )
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{
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#ifdef WNT
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HANDLE aCurrThread = GetCurrentThread();
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mpImpl->mnOldPriority = GetThreadPriority( aCurrThread );
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const bool bSuccess( 0 != SetThreadPriority( aCurrThread, mpImpl->mnOldPriority + nDelta ) );
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OSL_ENSURE( bSuccess,
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"PriorityBooster::PriorityBooster(): Was not able to modify thread priority" );
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#endif
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}
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PriorityBooster::~PriorityBooster()
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{
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#ifdef WNT
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SetThreadPriority( GetCurrentThread(),
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mpImpl->mnOldPriority );
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#endif
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}
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} // namespace tools
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} // namespace canvas
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