1 /*
2  * Copyright (C) 2009 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 "rsMutex.h"
18 
19 namespace android {
20 namespace renderscript {
21 
Mutex()22 Mutex::Mutex() {
23 }
24 
~Mutex()25 Mutex::~Mutex() {
26     pthread_mutex_destroy(&mMutex);
27 }
28 
init()29 bool Mutex::init() {
30     int status = pthread_mutex_init(&mMutex, nullptr);
31     if (status) {
32         ALOGE("Mutex::Mutex init failure");
33         return false;
34     }
35     return true;
36 }
37 
lock()38 bool Mutex::lock() {
39     int status;
40     status = pthread_mutex_lock(&mMutex);
41     if (status) {
42         ALOGE("Mutex: error %i locking.", status);
43         return false;
44     }
45     return true;
46 }
47 
unlock()48 bool Mutex::unlock() {
49     int status;
50     status = pthread_mutex_unlock(&mMutex);
51     if (status) {
52         ALOGE("Mutex error %i unlocking.", status);
53         return false;
54     }
55     return true;
56 }
57 
58 } // namespace renderscript
59 } // namespace android
60