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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: prioritybooster.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 23:15:32 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifdef WNT
#include <windows.h>
#endif
#include "osl/diagnose.h"
#include "canvas/prioritybooster.hxx"
namespace canvas
{
namespace tools
{
struct PriorityBooster_Impl
{
int mnOldPriority;
};
PriorityBooster::PriorityBooster( sal_Int32 nDelta ) :
mpImpl( new PriorityBooster_Impl )
{
#ifdef WNT
HANDLE aCurrThread = GetCurrentThread();
mpImpl->mnOldPriority = GetThreadPriority( aCurrThread );
const bool bSuccess( 0 != SetThreadPriority( aCurrThread, mpImpl->mnOldPriority + nDelta ) );
OSL_ENSURE( bSuccess,
"PriorityBooster::PriorityBooster(): Was not able to modify thread priority" );
#endif
}
PriorityBooster::~PriorityBooster()
{
#ifdef WNT
SetThreadPriority( GetCurrentThread(),
mpImpl->mnOldPriority );
#endif
}
} // namespace tools
} // namespace canvas
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