| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_canvas.hxx" |
| |
| |
| #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_ENSURE( false, |
| "PriorityBooster::PriorityBooster(): Was not able to modify thread priority" ); |
| } |
| #else |
| nDelta = 0; // #i55991# placate gcc warning |
| #endif |
| } |
| |
| PriorityBooster::~PriorityBooster() |
| { |
| #ifdef WNT |
| SetThreadPriority( GetCurrentThread(), |
| mpImpl->mnOldPriority ); |
| #endif |
| } |
| } // namespace tools |
| |
| } // namespace canvas |
