1 /* 2 * Copyright (C) 2012 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 #ifndef SCOPED_PTHREAD_MUTEX_LOCKER_H 18 #define SCOPED_PTHREAD_MUTEX_LOCKER_H 19 20 #include <pthread.h> 21 22 class ScopedPthreadMutexLocker { 23 public: ScopedPthreadMutexLocker(pthread_mutex_t * mu)24 explicit ScopedPthreadMutexLocker(pthread_mutex_t* mu) : mu_(mu) { 25 pthread_mutex_lock(mu_); 26 } 27 ~ScopedPthreadMutexLocker()28 ~ScopedPthreadMutexLocker() { 29 pthread_mutex_unlock(mu_); 30 } 31 32 private: 33 pthread_mutex_t* mu_; 34 35 // Disallow copy and assignment. 36 ScopedPthreadMutexLocker(const ScopedPthreadMutexLocker&); 37 void operator=(const ScopedPthreadMutexLocker&); 38 }; 39 40 #endif // SCOPED_PTHREAD_MUTEX_LOCKER_H 41