activemq-cpp-3.3.0

src/main/decaf/util/concurrent/locks/ReentrantLock.h

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00001 /*
00002  * Licensed to the Apache Software Foundation (ASF) under one or more
00003  * contributor license agreements.  See the NOTICE file distributed with
00004  * this work for additional information regarding copyright ownership.
00005  * The ASF licenses this file to You under the Apache License, Version 2.0
00006  * (the "License"); you may not use this file except in compliance with
00007  * the License.  You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #ifndef _DECAF_UTIL_CONCURRENT_LOCKS_REENTRANTLOCK_H_
00019 #define _DECAF_UTIL_CONCURRENT_LOCKS_REENTRANTLOCK_H_
00020 
00021 #include <decaf/util/Config.h>
00022 
00023 #include <decaf/util/concurrent/locks/Lock.h>
00024 
00025 namespace decaf {
00026 namespace util {
00027 namespace concurrent {
00028 namespace locks {
00029 
00030     class LockHandle;
00031 
00079     class DECAF_API ReentrantLock : public Lock {
00080     private:
00081 
00082         LockHandle* handle;
00083 
00084     private:
00085 
00086         ReentrantLock( const ReentrantLock& );
00087         ReentrantLock& operator= ( const ReentrantLock& );
00088 
00089     public:
00090 
00091         ReentrantLock();
00092 
00093         virtual ~ReentrantLock();
00094 
00110         virtual void lock();
00111 
00144         virtual void lockInterruptibly();
00145 
00167         virtual bool tryLock();
00168 
00220         virtual bool tryLock( long long time, const TimeUnit& unit );
00221 
00231         virtual void unlock();
00232 
00255         virtual Condition* newCondition();
00256 
00288         int getHoldCount() const;
00289 
00330         bool isHeldByCurrentThread() const;
00331 
00338         bool isLocked() const;
00339 
00345         bool isFair() const;
00346 
00354         std::string toString() const;
00355 
00356     };
00357 
00358 }}}}
00359 
00360 #endif /* _DECAF_UTIL_CONCURRENT_LOCKS_REENTRANTLOCK_H_ */