Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 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 | |
Chih-Hung Hsieh | 11496ac | 2016-11-15 15:14:05 -0800 | [diff] [blame] | 19 | namespace android { |
| 20 | namespace renderscript { |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 21 | |
Alex Sakhartchouk | afb743a | 2010-11-09 17:00:54 -0800 | [diff] [blame] | 22 | Mutex::Mutex() { |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 23 | } |
| 24 | |
Alex Sakhartchouk | afb743a | 2010-11-09 17:00:54 -0800 | [diff] [blame] | 25 | Mutex::~Mutex() { |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 26 | pthread_mutex_destroy(&mMutex); |
| 27 | } |
| 28 | |
Alex Sakhartchouk | afb743a | 2010-11-09 17:00:54 -0800 | [diff] [blame] | 29 | bool Mutex::init() { |
Chris Wailes | 44bef6f | 2014-08-12 13:51:10 -0700 | [diff] [blame] | 30 | int status = pthread_mutex_init(&mMutex, nullptr); |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 31 | if (status) { |
Steve Block | af12ac6 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 32 | ALOGE("Mutex::Mutex init failure"); |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 33 | return false; |
| 34 | } |
| 35 | return true; |
| 36 | } |
| 37 | |
Alex Sakhartchouk | afb743a | 2010-11-09 17:00:54 -0800 | [diff] [blame] | 38 | bool Mutex::lock() { |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 39 | int status; |
| 40 | status = pthread_mutex_lock(&mMutex); |
| 41 | if (status) { |
Steve Block | af12ac6 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 42 | ALOGE("Mutex: error %i locking.", status); |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 43 | return false; |
| 44 | } |
| 45 | return true; |
| 46 | } |
| 47 | |
Alex Sakhartchouk | afb743a | 2010-11-09 17:00:54 -0800 | [diff] [blame] | 48 | bool Mutex::unlock() { |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 49 | int status; |
| 50 | status = pthread_mutex_unlock(&mMutex); |
| 51 | if (status) { |
Steve Block | af12ac6 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 52 | ALOGE("Mutex error %i unlocking.", status); |
Jason Sams | 12b14ae | 2010-03-18 11:39:44 -0700 | [diff] [blame] | 53 | return false; |
| 54 | } |
| 55 | return true; |
| 56 | } |
| 57 | |
Chih-Hung Hsieh | 11496ac | 2016-11-15 15:14:05 -0800 | [diff] [blame] | 58 | } // namespace renderscript |
| 59 | } // namespace android |