1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #include <pthread.h> 18 19 namespace android { 20 21 class AutoLock { 22 public: AutoLock(pthread_mutex_t * mutex,const char * const name)23 AutoLock(pthread_mutex_t *mutex, const char *const name) 24 : mutex_(mutex), name_(name) { 25 } ~AutoLock()26 ~AutoLock() { 27 if (locked_) 28 Unlock(); 29 } 30 31 AutoLock(const AutoLock &rhs) = delete; 32 AutoLock &operator=(const AutoLock &rhs) = delete; 33 34 int Lock(); 35 int Unlock(); 36 37 private: 38 pthread_mutex_t *const mutex_; 39 bool locked_ = false; 40 const char *const name_; 41 }; 42 } // namespace android 43