rsMutex.cpp revision afb743aca56c18beb7ab924e75cb6e070ef3e55a 
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
19using namespace android;
20using namespace android::renderscript;
21
22
23Mutex::Mutex() {
24}
25
26Mutex::~Mutex() {
27    pthread_mutex_destroy(&mMutex);
28}
29
30bool Mutex::init() {
31    int status = pthread_mutex_init(&mMutex, NULL);
32    if (status) {
33        LOGE("Mutex::Mutex init failure");
34        return false;
35    }
36    return true;
37}
38
39bool Mutex::lock() {
40    int status;
41    status = pthread_mutex_lock(&mMutex);
42    if (status) {
43        LOGE("Mutex: error %i locking.", status);
44        return false;
45    }
46    return true;
47}
48
49bool Mutex::unlock() {
50    int status;
51    status = pthread_mutex_unlock(&mMutex);
52    if (status) {
53        LOGE("Mutex error %i unlocking.", status);
54        return false;
55    }
56    return true;
57}
58
59
60