10f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines/* 20f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Copyright (C) 2009 The Android Open Source Project 30f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 40f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Licensed under the Apache License, Version 2.0 (the "License"); 50f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * you may not use this file except in compliance with the License. 60f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * You may obtain a copy of the License at 70f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 80f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * http://www.apache.org/licenses/LICENSE-2.0 90f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 100f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Unless required by applicable law or agreed to in writing, software 110f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * distributed under the License is distributed on an "AS IS" BASIS, 120f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * See the License for the specific language governing permissions and 140f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * limitations under the License. 150f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines */ 160f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 170f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#include "rsMutex.h" 180f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 190f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesusing namespace android; 200f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesusing namespace android::renderscript; 210f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 220f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 230f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen HinesMutex::Mutex() { 240f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} 250f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 260f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen HinesMutex::~Mutex() { 270f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines pthread_mutex_destroy(&mMutex); 280f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} 290f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 300f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesbool Mutex::init() { 310f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines int status = pthread_mutex_init(&mMutex, NULL); 320f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (status) { 330f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines ALOGE("Mutex::Mutex init failure"); 340f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return false; 350f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 360f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return true; 370f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} 380f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 390f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesbool Mutex::lock() { 400f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines int status; 410f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines status = pthread_mutex_lock(&mMutex); 420f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (status) { 430f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines ALOGE("Mutex: error %i locking.", status); 440f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return false; 450f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 460f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return true; 470f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} 480f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 490f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesbool Mutex::unlock() { 500f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines int status; 510f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines status = pthread_mutex_unlock(&mMutex); 520f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (status) { 530f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines ALOGE("Mutex error %i unlocking.", status); 540f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return false; 550f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 560f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return true; 570f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} 580f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 590f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 60