office-gobmx/canvas/source/tools/prioritybooster.cxx
2011-11-27 12:57:22 -06:00

83 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifdef WNT
# if defined _MSC_VER
# pragma warning(push,1)
# endif
# include <windows.h>
# if defined _MSC_VER
# pragma warning(pop)
# endif
#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 );
if ( 0 == SetThreadPriority( aCurrThread, mpImpl->mnOldPriority + nDelta ) )
{
OSL_FAIL( "PriorityBooster::PriorityBooster(): Was not able to modify thread priority" );
}
#else
(void)nDelta;
#endif
}
PriorityBooster::~PriorityBooster()
{
#ifdef WNT
SetThreadPriority( GetCurrentThread(),
mpImpl->mnOldPriority );
#endif
}
} // namespace tools
} // namespace canvas
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */