| /************************************************************** |
| * |
| * 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 __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_ |
| #define __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_ |
| |
| #include <osl/interlck.h> |
| #include <osl/mutex.hxx> |
| #include <fwidllapi.h> |
| |
| namespace framework |
| { |
| |
| class FWI_DLLPUBLIC ShareableMutex |
| { |
| public: |
| ShareableMutex(); |
| ShareableMutex( const ShareableMutex& rShareableMutex ); |
| const ShareableMutex& operator=( const ShareableMutex& rShareableMutex ); |
| |
| ~ShareableMutex(); |
| |
| void acquire(); |
| void release(); |
| ::osl::Mutex& getShareableOslMutex(); |
| |
| private: |
| struct MutexRef |
| { |
| MutexRef() : m_refCount(0) {} |
| void acquire() |
| { |
| osl_incrementInterlockedCount( &m_refCount ); |
| } |
| |
| void release() |
| { |
| if ( osl_decrementInterlockedCount( &m_refCount ) == 0 ) |
| delete this; |
| } |
| |
| oslInterlockedCount m_refCount; |
| osl::Mutex m_oslMutex; |
| }; |
| |
| MutexRef* pMutexRef; |
| }; |
| |
| class ShareGuard |
| { |
| public: |
| ShareGuard( ShareableMutex& rShareMutex ) : |
| m_rShareMutex( rShareMutex ) |
| { |
| m_rShareMutex.acquire(); |
| } |
| |
| ~ShareGuard() |
| { |
| m_rShareMutex.release(); |
| } |
| |
| private: |
| ShareGuard(); |
| ShareGuard& operator=( const ShareGuard& ); |
| |
| ShareableMutex& m_rShareMutex; |
| }; |
| |
| } |
| |
| #endif // #ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_ |