| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_CANVAS_PRIORITYBOOSTER_HXX |
| #define INCLUDED_CANVAS_PRIORITYBOOSTER_HXX |
| |
| #include <sal/types.h> |
| |
| #include <memory> |
| |
| |
| namespace canvas |
| { |
| namespace tools |
| { |
| struct PriorityBooster_Impl; |
| |
| /** Simplistic RAII object, to temporarily boost execution |
| priority for the current scope. |
| */ |
| class PriorityBooster |
| { |
| public: |
| /** Create booster, with given priority delta |
| |
| @param nDelta |
| Difference in execution priority. Positive values |
| increase prio, negative values decrease prio. |
| */ |
| explicit PriorityBooster( sal_Int32 nDelta ); |
| ~PriorityBooster(); |
| |
| private: |
| // also disables copy constructor and assignment operator |
| const ::std::auto_ptr< PriorityBooster_Impl > mpImpl; |
| }; |
| } |
| } |
| |
| #endif /* INCLUDED_CANVAS_PRIORITYBOOSTER_HXX */ |
| // eof |