1*25ea7f45SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*25ea7f45SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*25ea7f45SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*25ea7f45SAndrew Rist * distributed with this work for additional information 6*25ea7f45SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*25ea7f45SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*25ea7f45SAndrew Rist * "License"); you may not use this file except in compliance 9*25ea7f45SAndrew Rist * with the License. You may obtain a copy of the License at 10*25ea7f45SAndrew Rist * 11*25ea7f45SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*25ea7f45SAndrew Rist * 13*25ea7f45SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*25ea7f45SAndrew Rist * software distributed under the License is distributed on an 15*25ea7f45SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*25ea7f45SAndrew Rist * KIND, either express or implied. See the License for the 17*25ea7f45SAndrew Rist * specific language governing permissions and limitations 18*25ea7f45SAndrew Rist * under the License. 19*25ea7f45SAndrew Rist * 20*25ea7f45SAndrew Rist *************************************************************/ 21*25ea7f45SAndrew Rist 22*25ea7f45SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_canvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir 28cdf0e10cSrcweir #ifdef WNT 29cdf0e10cSrcweir # if defined _MSC_VER 30cdf0e10cSrcweir # pragma warning(push,1) 31cdf0e10cSrcweir # endif 32cdf0e10cSrcweir 33cdf0e10cSrcweir # include <windows.h> 34cdf0e10cSrcweir 35cdf0e10cSrcweir # if defined _MSC_VER 36cdf0e10cSrcweir # pragma warning(pop) 37cdf0e10cSrcweir # endif 38cdf0e10cSrcweir #endif 39cdf0e10cSrcweir 40cdf0e10cSrcweir #include "osl/diagnose.h" 41cdf0e10cSrcweir #include "canvas/prioritybooster.hxx" 42cdf0e10cSrcweir 43cdf0e10cSrcweir 44cdf0e10cSrcweir namespace canvas 45cdf0e10cSrcweir { 46cdf0e10cSrcweir namespace tools 47cdf0e10cSrcweir { 48cdf0e10cSrcweir struct PriorityBooster_Impl 49cdf0e10cSrcweir { 50cdf0e10cSrcweir int mnOldPriority; 51cdf0e10cSrcweir }; 52cdf0e10cSrcweir PriorityBooster(sal_Int32 nDelta)53cdf0e10cSrcweir PriorityBooster::PriorityBooster( sal_Int32 nDelta ) : 54cdf0e10cSrcweir mpImpl( new PriorityBooster_Impl ) 55cdf0e10cSrcweir { 56cdf0e10cSrcweir #ifdef WNT 57cdf0e10cSrcweir HANDLE aCurrThread = GetCurrentThread(); 58cdf0e10cSrcweir mpImpl->mnOldPriority = GetThreadPriority( aCurrThread ); 59cdf0e10cSrcweir 60cdf0e10cSrcweir if ( 0 == SetThreadPriority( aCurrThread, mpImpl->mnOldPriority + nDelta ) ) 61cdf0e10cSrcweir { 62cdf0e10cSrcweir OSL_ENSURE( false, 63cdf0e10cSrcweir "PriorityBooster::PriorityBooster(): Was not able to modify thread priority" ); 64cdf0e10cSrcweir } 65cdf0e10cSrcweir #else 66cdf0e10cSrcweir nDelta = 0; // #i55991# placate gcc warning 67cdf0e10cSrcweir #endif 68cdf0e10cSrcweir } 69cdf0e10cSrcweir ~PriorityBooster()70cdf0e10cSrcweir PriorityBooster::~PriorityBooster() 71cdf0e10cSrcweir { 72cdf0e10cSrcweir #ifdef WNT 73cdf0e10cSrcweir SetThreadPriority( GetCurrentThread(), 74cdf0e10cSrcweir mpImpl->mnOldPriority ); 75cdf0e10cSrcweir #endif 76cdf0e10cSrcweir } 77cdf0e10cSrcweir } // namespace tools 78cdf0e10cSrcweir 79cdf0e10cSrcweir } // namespace canvas 80