1682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn/* 2682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * Copyright (C) 2010 The Android Open Source Project 3682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * 4682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * you may not use this file except in compliance with the License. 6682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * You may obtain a copy of the License at 7682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * 8682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * 10682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * Unless required by applicable law or agreed to in writing, software 11682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * See the License for the specific language governing permissions and 14682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * limitations under the License. 15682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn */ 16682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 17682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn#define LOG_TAG "ALooper" 18682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn#include <utils/Log.h> 19682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 20682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn#include <android/looper.h> 214fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown#include <utils/Looper.h> 22c70bed01ac1c38d278fb3a656aaea23ab0fec73eJeff Brown#include <binder/IPCThreadState.h> 23682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 244fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownusing android::Looper; 25682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornusing android::sp; 26c70bed01ac1c38d278fb3a656aaea23ab0fec73eJeff Brownusing android::IPCThreadState; 27682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 2882b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstromstatic inline Looper* ALooper_to_Looper(ALooper* alooper) { 2982b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return reinterpret_cast<Looper*>(alooper); 3082b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom} 3182b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom 3282b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstromstatic inline ALooper* Looper_to_ALooper(Looper* looper) { 3382b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return reinterpret_cast<ALooper*>(looper); 3482b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom} 3582b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom 36682674154e3fe88f6061245145f934f25f1a2eb8Dianne HackbornALooper* ALooper_forThread() { 3782b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return Looper_to_ALooper(Looper::getForThread().get()); 38682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 39682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 404fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff BrownALooper* ALooper_prepare(int opts) { 4182b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return Looper_to_ALooper(Looper::prepare(opts).get()); 42682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 43682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 444fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_acquire(ALooper* looper) { 4582b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom ALooper_to_Looper(looper)->incStrong((void*)ALooper_acquire); 4685448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn} 4785448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn 484fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_release(ALooper* looper) { 4982b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom ALooper_to_Looper(looper)->decStrong((void*)ALooper_acquire); 504fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown} 514fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown 524fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 534fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown sp<Looper> looper = Looper::getForThread(); 544fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown if (looper == NULL) { 553762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("ALooper_pollOnce: No looper for this thread!"); 564fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return ALOOPER_POLL_ERROR; 5785448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn } 584fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown 59c70bed01ac1c38d278fb3a656aaea23ab0fec73eJeff Brown IPCThreadState::self()->flushCommands(); 604fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return looper->pollOnce(timeoutMillis, outFd, outEvents, outData); 61682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 62682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 634fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 644fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown sp<Looper> looper = Looper::getForThread(); 654fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown if (looper == NULL) { 663762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("ALooper_pollAll: No looper for this thread!"); 674fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return ALOOPER_POLL_ERROR; 684fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown } 69c70bed01ac1c38d278fb3a656aaea23ab0fec73eJeff Brown 70c70bed01ac1c38d278fb3a656aaea23ab0fec73eJeff Brown IPCThreadState::self()->flushCommands(); 714fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return looper->pollAll(timeoutMillis, outFd, outEvents, outData); 72682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 73682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 744fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_wake(ALooper* looper) { 7582b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom ALooper_to_Looper(looper)->wake(); 76682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 77682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 784fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_addFd(ALooper* looper, int fd, int ident, int events, 794fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown ALooper_callbackFunc callback, void* data) { 8082b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return ALooper_to_Looper(looper)->addFd(fd, ident, events, callback, data); 81682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 82682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 834fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_removeFd(ALooper* looper, int fd) { 8482b007d7572dceb0981b269338bd1ac6c40496c5Brian Carlstrom return ALooper_to_Looper(looper)->removeFd(fd); 85682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 86