1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove 25*b1cdbd2cSJim Jagielski #include "precompiled_canvas.hxx" 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski 28*b1cdbd2cSJim Jagielski #ifdef WNT 29*b1cdbd2cSJim Jagielski # if defined _MSC_VER 30*b1cdbd2cSJim Jagielski # pragma warning(push,1) 31*b1cdbd2cSJim Jagielski # endif 32*b1cdbd2cSJim Jagielski 33*b1cdbd2cSJim Jagielski # include <windows.h> 34*b1cdbd2cSJim Jagielski 35*b1cdbd2cSJim Jagielski # if defined _MSC_VER 36*b1cdbd2cSJim Jagielski # pragma warning(pop) 37*b1cdbd2cSJim Jagielski # endif 38*b1cdbd2cSJim Jagielski #endif 39*b1cdbd2cSJim Jagielski 40*b1cdbd2cSJim Jagielski #include "osl/diagnose.h" 41*b1cdbd2cSJim Jagielski #include "canvas/prioritybooster.hxx" 42*b1cdbd2cSJim Jagielski 43*b1cdbd2cSJim Jagielski 44*b1cdbd2cSJim Jagielski namespace canvas 45*b1cdbd2cSJim Jagielski { 46*b1cdbd2cSJim Jagielski namespace tools 47*b1cdbd2cSJim Jagielski { 48*b1cdbd2cSJim Jagielski struct PriorityBooster_Impl 49*b1cdbd2cSJim Jagielski { 50*b1cdbd2cSJim Jagielski int mnOldPriority; 51*b1cdbd2cSJim Jagielski }; 52*b1cdbd2cSJim Jagielski PriorityBooster(sal_Int32 nDelta)53*b1cdbd2cSJim Jagielski PriorityBooster::PriorityBooster( sal_Int32 nDelta ) : 54*b1cdbd2cSJim Jagielski mpImpl( new PriorityBooster_Impl ) 55*b1cdbd2cSJim Jagielski { 56*b1cdbd2cSJim Jagielski #ifdef WNT 57*b1cdbd2cSJim Jagielski HANDLE aCurrThread = GetCurrentThread(); 58*b1cdbd2cSJim Jagielski mpImpl->mnOldPriority = GetThreadPriority( aCurrThread ); 59*b1cdbd2cSJim Jagielski 60*b1cdbd2cSJim Jagielski if ( 0 == SetThreadPriority( aCurrThread, mpImpl->mnOldPriority + nDelta ) ) 61*b1cdbd2cSJim Jagielski { 62*b1cdbd2cSJim Jagielski OSL_ENSURE( false, 63*b1cdbd2cSJim Jagielski "PriorityBooster::PriorityBooster(): Was not able to modify thread priority" ); 64*b1cdbd2cSJim Jagielski } 65*b1cdbd2cSJim Jagielski #else 66*b1cdbd2cSJim Jagielski nDelta = 0; // #i55991# placate gcc warning 67*b1cdbd2cSJim Jagielski #endif 68*b1cdbd2cSJim Jagielski } 69*b1cdbd2cSJim Jagielski ~PriorityBooster()70*b1cdbd2cSJim Jagielski PriorityBooster::~PriorityBooster() 71*b1cdbd2cSJim Jagielski { 72*b1cdbd2cSJim Jagielski #ifdef WNT 73*b1cdbd2cSJim Jagielski SetThreadPriority( GetCurrentThread(), 74*b1cdbd2cSJim Jagielski mpImpl->mnOldPriority ); 75*b1cdbd2cSJim Jagielski #endif 76*b1cdbd2cSJim Jagielski } 77*b1cdbd2cSJim Jagielski } // namespace tools 78*b1cdbd2cSJim Jagielski 79*b1cdbd2cSJim Jagielski } // namespace canvas 80