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_SHAREDMUTEX_HXX 25 #define COMPHELPER_SHAREDMUTEX_HXX 26 27 #include "comphelper/comphelperdllapi.h" 28 29 #include <osl/mutex.hxx> 30 31 #include <boost/shared_ptr.hpp> 32 33 //........................................................................ 34 namespace comphelper 35 { 36 //........................................................................ 37 38 //============================================================ 39 //= SharedMutex 40 //============================================================ 41 class COMPHELPER_DLLPUBLIC SharedMutex 42 { 43 public: 44 SharedMutex(); 45 SharedMutex( const SharedMutex& ); 46 SharedMutex& operator=( const SharedMutex& ); ~SharedMutex()47 ~SharedMutex() 48 { 49 } 50 getMutex()51 inline ::osl::Mutex& getMutex() { return *m_pMutexImpl; } operator ::osl::Mutex&()52 inline operator ::osl::Mutex& () { return *m_pMutexImpl; } 53 54 private: 55 ::boost::shared_ptr< ::osl::Mutex > m_pMutexImpl; 56 }; 57 58 //============================================================ 59 //= SharedMutexBase 60 //============================================================ 61 /** sometimes, it's necessary to have an initialized ::osl::Mutex to pass 62 to some ctor call of your base class. In this case, you can't hold the 63 SharedMutex as member, but you need to move it into another base class, 64 which is initialized before the mutex-requiring class is. 65 */ 66 class COMPHELPER_DLLPUBLIC SharedMutexBase 67 { 68 protected: SharedMutexBase()69 SharedMutexBase() 70 { 71 } ~SharedMutexBase()72 ~SharedMutexBase() 73 { 74 } 75 76 protected: getMutex() const77 ::osl::Mutex& getMutex() const { return m_aMutex; } getSharedMutex() const78 SharedMutex& getSharedMutex() const { return m_aMutex; } 79 80 private: 81 mutable SharedMutex m_aMutex; 82 }; 83 84 //........................................................................ 85 } // namespace comphelper 86 //........................................................................ 87 88 #endif // COMPHELPER_SHAREDMUTEX_HXX 89