looper.cpp revision 4fe6c3e51be77e35f40872cdbca6c80f8f8b7ecb
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> 22682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 234fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownusing android::Looper; 24682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornusing android::sp; 25682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 26682674154e3fe88f6061245145f934f25f1a2eb8Dianne HackbornALooper* ALooper_forThread() { 274fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return Looper::getForThread().get(); 28682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 29682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 304fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff BrownALooper* ALooper_prepare(int opts) { 314fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return Looper::prepare(opts).get(); 32682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 33682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 344fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_acquire(ALooper* looper) { 354fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown static_cast<Looper*>(looper)->incStrong((void*)ALooper_acquire); 3685448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn} 3785448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn 384fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_release(ALooper* looper) { 394fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown static_cast<Looper*>(looper)->decStrong((void*)ALooper_acquire); 404fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown} 414fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown 424fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 434fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown sp<Looper> looper = Looper::getForThread(); 444fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown if (looper == NULL) { 454fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown LOGE("ALooper_pollOnce: No looper for this thread!"); 464fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return ALOOPER_POLL_ERROR; 4785448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn } 484fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown 494fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return looper->pollOnce(timeoutMillis, outFd, outEvents, outData); 50682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 51682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 524fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 534fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown sp<Looper> looper = Looper::getForThread(); 544fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown if (looper == NULL) { 554fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown LOGE("ALooper_pollAll: No looper for this thread!"); 564fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return ALOOPER_POLL_ERROR; 574fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown } 584fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown 594fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return looper->pollAll(timeoutMillis, outFd, outEvents, outData); 60682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 61682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 624fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownvoid ALooper_wake(ALooper* looper) { 634fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown static_cast<Looper*>(looper)->wake(); 64682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 65682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 664fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_addFd(ALooper* looper, int fd, int ident, int events, 674fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown ALooper_callbackFunc callback, void* data) { 684fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return static_cast<Looper*>(looper)->addFd(fd, ident, events, callback, data); 69682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 70682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 714fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brownint ALooper_removeFd(ALooper* looper, int fd) { 724fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown return static_cast<Looper*>(looper)->removeFd(fd); 73682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn} 74