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