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 #include "bionic_macros.h"
23 
24 class ScopedPthreadMutexLocker {
25  public:
ScopedPthreadMutexLocker(pthread_mutex_t * mu)26   explicit ScopedPthreadMutexLocker(pthread_mutex_t* mu) : mu_(mu) {
27     pthread_mutex_lock(mu_);
28   }
29 
~ScopedPthreadMutexLocker()30   ~ScopedPthreadMutexLocker() {
31     pthread_mutex_unlock(mu_);
32   }
33 
34  private:
35   pthread_mutex_t* mu_;
36 
37   DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedPthreadMutexLocker);
38 };
39 
40 #endif // SCOPED_PTHREAD_MUTEX_LOCKER_H
41