2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * @file read_write_mutex.h
18 * @author Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
20 * @brief This file is the implementation file of read write mutex
22 #ifndef DPL_READ_WRITE_MUTEX_H
23 #define DPL_READ_WRITE_MUTEX_H
25 #include <dpl/noncopyable.h>
26 #include <dpl/exception.h>
30 class ReadWriteMutex :
34 class ScopedReadLock :
38 ReadWriteMutex *m_mutex;
41 ScopedReadLock(ReadWriteMutex *mutex);
42 virtual ~ScopedReadLock();
45 class ScopedWriteLock :
49 ReadWriteMutex *m_mutex;
52 ScopedWriteLock(ReadWriteMutex *mutex);
53 virtual ~ScopedWriteLock();
59 DECLARE_EXCEPTION_TYPE(DPL::Exception, Base)
60 DECLARE_EXCEPTION_TYPE(Base, CreateFailed)
61 DECLARE_EXCEPTION_TYPE(Base, DestroyFailed)
62 DECLARE_EXCEPTION_TYPE(Base, ReadLockFailed)
63 DECLARE_EXCEPTION_TYPE(Base, WriteLockFailed)
64 DECLARE_EXCEPTION_TYPE(Base, UnlockFailed)
68 mutable pthread_rwlock_t m_rwlock;
70 void ReadLock() const;
71 void WriteLock() const;
75 explicit ReadWriteMutex();
76 virtual ~ReadWriteMutex();
80 #endif // DPL_READ_WRITE_MUTEX_H