1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _COMPHELPER_GUARDING_HXX_ 25 #define _COMPHELPER_GUARDING_HXX_ 26 27 #include <osl/mutex.hxx> 28 29 //......................................................................... 30 namespace comphelper 31 { 32 //......................................................................... 33 34 // =================================================================================================== 35 // = class MutexRelease - 36 // =================================================================================================== 37 38 /** opposite of OGuard :) 39 (a mutex is released within the constructor and acquired within the desctructor) 40 use only when you're sure the mutex is acquired ! 41 */ 42 template <class MUTEX> 43 class ORelease 44 { 45 MUTEX& m_rMutex; 46 47 public: ORelease(MUTEX & _rMutex)48 ORelease(MUTEX& _rMutex) : m_rMutex(_rMutex) { _rMutex.release(); } ~ORelease()49 ~ORelease() { m_rMutex.acquire(); } 50 }; 51 52 typedef ORelease< ::osl::Mutex > MutexRelease; 53 54 //......................................................................... 55 } // namespace comphelper 56 //......................................................................... 57 58 #endif // _COMPHELPER_GUARDING_HXX_ 59 60