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 #pragma once
18 
19 #include <pthread.h>
20 
21 #include "platform/bionic/macros.h"
22 
23 class ScopedPthreadMutexLocker {
24  public:
ScopedPthreadMutexLocker(pthread_mutex_t * mu)25   explicit ScopedPthreadMutexLocker(pthread_mutex_t* mu) : mu_(mu) {
26     pthread_mutex_lock(mu_);
27   }
28 
~ScopedPthreadMutexLocker()29   ~ScopedPthreadMutexLocker() {
30     pthread_mutex_unlock(mu_);
31   }
32 
33  private:
34   pthread_mutex_t* mu_;
35 
36   BIONIC_DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedPthreadMutexLocker);
37 };
38