1*e1eccf28SAndroid Build Coastguard Worker /* 2*e1eccf28SAndroid Build Coastguard Worker * Copyright (C) 2009 The Android Open Source Project 3*e1eccf28SAndroid Build Coastguard Worker * 4*e1eccf28SAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*e1eccf28SAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*e1eccf28SAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*e1eccf28SAndroid Build Coastguard Worker * 8*e1eccf28SAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*e1eccf28SAndroid Build Coastguard Worker * 10*e1eccf28SAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*e1eccf28SAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*e1eccf28SAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*e1eccf28SAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*e1eccf28SAndroid Build Coastguard Worker * limitations under the License. 15*e1eccf28SAndroid Build Coastguard Worker */ 16*e1eccf28SAndroid Build Coastguard Worker 17*e1eccf28SAndroid Build Coastguard Worker #include "rsMutex.h" 18*e1eccf28SAndroid Build Coastguard Worker 19*e1eccf28SAndroid Build Coastguard Worker namespace android { 20*e1eccf28SAndroid Build Coastguard Worker namespace renderscript { 21*e1eccf28SAndroid Build Coastguard Worker Mutex()22*e1eccf28SAndroid Build Coastguard WorkerMutex::Mutex() { 23*e1eccf28SAndroid Build Coastguard Worker } 24*e1eccf28SAndroid Build Coastguard Worker ~Mutex()25*e1eccf28SAndroid Build Coastguard WorkerMutex::~Mutex() { 26*e1eccf28SAndroid Build Coastguard Worker pthread_mutex_destroy(&mMutex); 27*e1eccf28SAndroid Build Coastguard Worker } 28*e1eccf28SAndroid Build Coastguard Worker init()29*e1eccf28SAndroid Build Coastguard Workerbool Mutex::init() { 30*e1eccf28SAndroid Build Coastguard Worker int status = pthread_mutex_init(&mMutex, nullptr); 31*e1eccf28SAndroid Build Coastguard Worker if (status) { 32*e1eccf28SAndroid Build Coastguard Worker ALOGE("Mutex::Mutex init failure"); 33*e1eccf28SAndroid Build Coastguard Worker return false; 34*e1eccf28SAndroid Build Coastguard Worker } 35*e1eccf28SAndroid Build Coastguard Worker return true; 36*e1eccf28SAndroid Build Coastguard Worker } 37*e1eccf28SAndroid Build Coastguard Worker lock()38*e1eccf28SAndroid Build Coastguard Workerbool Mutex::lock() { 39*e1eccf28SAndroid Build Coastguard Worker int status; 40*e1eccf28SAndroid Build Coastguard Worker status = pthread_mutex_lock(&mMutex); 41*e1eccf28SAndroid Build Coastguard Worker if (status) { 42*e1eccf28SAndroid Build Coastguard Worker ALOGE("Mutex: error %i locking.", status); 43*e1eccf28SAndroid Build Coastguard Worker return false; 44*e1eccf28SAndroid Build Coastguard Worker } 45*e1eccf28SAndroid Build Coastguard Worker return true; 46*e1eccf28SAndroid Build Coastguard Worker } 47*e1eccf28SAndroid Build Coastguard Worker unlock()48*e1eccf28SAndroid Build Coastguard Workerbool Mutex::unlock() { 49*e1eccf28SAndroid Build Coastguard Worker int status; 50*e1eccf28SAndroid Build Coastguard Worker status = pthread_mutex_unlock(&mMutex); 51*e1eccf28SAndroid Build Coastguard Worker if (status) { 52*e1eccf28SAndroid Build Coastguard Worker ALOGE("Mutex error %i unlocking.", status); 53*e1eccf28SAndroid Build Coastguard Worker return false; 54*e1eccf28SAndroid Build Coastguard Worker } 55*e1eccf28SAndroid Build Coastguard Worker return true; 56*e1eccf28SAndroid Build Coastguard Worker } 57*e1eccf28SAndroid Build Coastguard Worker 58*e1eccf28SAndroid Build Coastguard Worker } // namespace renderscript 59*e1eccf28SAndroid Build Coastguard Worker } // namespace android 60