112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams/* 212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * Copyright (C) 2009 The Android Open Source Project 312b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * 412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * you may not use this file except in compliance with the License. 612b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * You may obtain a copy of the License at 712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * 812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * http://www.apache.org/licenses/LICENSE-2.0 912b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * 1012b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * Unless required by applicable law or agreed to in writing, software 1112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * distributed under the License is distributed on an "AS IS" BASIS, 1212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1312b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * See the License for the specific language governing permissions and 1412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams * limitations under the License. 1512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams */ 1612b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 1712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams#include "rsMutex.h" 1812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 1912b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Samsusing namespace android; 2012b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Samsusing namespace android::renderscript; 2112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 2212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 23afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukMutex::Mutex() { 2412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams} 2512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 26afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukMutex::~Mutex() { 2712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams pthread_mutex_destroy(&mMutex); 2812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams} 2912b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 30afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukbool Mutex::init() { 3112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams int status = pthread_mutex_init(&mMutex, NULL); 3212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams if (status) { 33af12ac6a08651464f8d823add667c706f993b587Steve Block ALOGE("Mutex::Mutex init failure"); 3412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return false; 3512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams } 3612b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return true; 3712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams} 3812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 39afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukbool Mutex::lock() { 4012b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams int status; 4112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams status = pthread_mutex_lock(&mMutex); 4212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams if (status) { 43af12ac6a08651464f8d823add667c706f993b587Steve Block ALOGE("Mutex: error %i locking.", status); 4412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return false; 4512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams } 4612b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return true; 4712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams} 4812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 49afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukbool Mutex::unlock() { 5012b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams int status; 5112b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams status = pthread_mutex_unlock(&mMutex); 5212b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams if (status) { 53af12ac6a08651464f8d823add667c706f993b587Steve Block ALOGE("Mutex error %i unlocking.", status); 5412b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return false; 5512b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams } 5612b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams return true; 5712b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams} 5812b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 5912b14ae9fa34f4fd0bf21a2a4ac95a4864248fe9Jason Sams 60