Page Speed Optimization Libraries
1.2.24.1
|
00001 /* 00002 * Copyright 2011 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_PTHREAD_RW_LOCK_H_ 00020 #define NET_INSTAWEB_UTIL_PUBLIC_PTHREAD_RW_LOCK_H_ 00021 00022 #include <pthread.h> 00023 #include "net/instaweb/util/public/basictypes.h" 00024 #include "net/instaweb/util/public/thread_system.h" 00025 00026 namespace net_instaweb { 00027 00029 class PthreadRWLock : public ThreadSystem::RWLock { 00030 public: 00031 PthreadRWLock(); 00032 virtual ~PthreadRWLock(); 00033 virtual bool TryLock(); 00034 virtual void Lock(); 00035 virtual void Unlock(); 00036 virtual bool ReaderTryLock(); 00037 virtual void ReaderLock(); 00038 virtual void ReaderUnlock(); 00039 00040 private: 00041 pthread_rwlock_t rwlock_; 00042 pthread_rwlockattr_t attr_; 00043 00044 DISALLOW_COPY_AND_ASSIGN(PthreadRWLock); 00045 }; 00046 00047 } 00048 00049 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_PTHREAD_RW_LOCK_H_