rsMutex.cpp revision 12b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9
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}
26
27Mutex::~Mutex()
28{
29    pthread_mutex_destroy(&mMutex);
30}
31
32bool Mutex::init()
33{
34    int status = pthread_mutex_init(&mMutex, NULL);
35    if (status) {
36        LOGE("Mutex::Mutex init failure");
37        return false;
38    }
39    return true;
40}
41
42bool Mutex::lock()
43{
44    int status;
45    status = pthread_mutex_lock(&mMutex);
46    if (status) {
47        LOGE("Mutex: error %i locking.", status);
48        return false;
49    }
50    return true;
51}
52
53bool Mutex::unlock()
54{
55    int status;
56    status = pthread_mutex_unlock(&mMutex);
57    if (status) {
58        LOGE("Mutex error %i unlocking.", status);
59        return false;
60    }
61    return true;
62}
63
64
65