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Jason Sams12b14ae2010-03-18 11:39:44 -07001/*
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
19using namespace android;
20using namespace android::renderscript;
21
22
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080023Mutex::Mutex() {
Jason Sams12b14ae2010-03-18 11:39:44 -070024}
25
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080026Mutex::~Mutex() {
Jason Sams12b14ae2010-03-18 11:39:44 -070027 pthread_mutex_destroy(&mMutex);
28}
29
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080030bool Mutex::init() {
Jason Sams12b14ae2010-03-18 11:39:44 -070031 int status = pthread_mutex_init(&mMutex, NULL);
32 if (status) {
Steve Blockaf12ac62012-01-06 19:20:56 +000033 ALOGE("Mutex::Mutex init failure");
Jason Sams12b14ae2010-03-18 11:39:44 -070034 return false;
35 }
36 return true;
37}
38
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080039bool Mutex::lock() {
Jason Sams12b14ae2010-03-18 11:39:44 -070040 int status;
41 status = pthread_mutex_lock(&mMutex);
42 if (status) {
Steve Blockaf12ac62012-01-06 19:20:56 +000043 ALOGE("Mutex: error %i locking.", status);
Jason Sams12b14ae2010-03-18 11:39:44 -070044 return false;
45 }
46 return true;
47}
48
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080049bool Mutex::unlock() {
Jason Sams12b14ae2010-03-18 11:39:44 -070050 int status;
51 status = pthread_mutex_unlock(&mMutex);
52 if (status) {
Steve Blockaf12ac62012-01-06 19:20:56 +000053 ALOGE("Mutex error %i unlocking.", status);
Jason Sams12b14ae2010-03-18 11:39:44 -070054 return false;
55 }
56 return true;
57}
58
59