libc/private/ScopedPthreadMutexLocker.h

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SCOPED_PTHREAD_MUTEX_LOCKER_H
#define SCOPED_PTHREAD_MUTEX_LOCKER_H

#include <pthread.h>

class ScopedPthreadMutexLocker {
 public:
  explicit ScopedPthreadMutexLocker(pthread_mutex_t* mu) : mu_(mu) {
    pthread_mutex_lock(mu_);
  }

  ~ScopedPthreadMutexLocker() {
    pthread_mutex_unlock(mu_);
  }

 private:
  pthread_mutex_t* mu_;

  // Disallow copy and assignment.
  ScopedPthreadMutexLocker(const ScopedPthreadMutexLocker&);
  void operator=(const ScopedPthreadMutexLocker&);
};

#endif // SCOPED_PTHREAD_MUTEX_LOCKER_H