1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "ALooper" 18 #include <utils/Log.h> 19 20 #include <android/looper.h> 21 #include <utils/Looper.h> 22 #include <binder/IPCThreadState.h> 23 24 using android::Looper; 25 using android::sp; 26 using android::IPCThreadState; 27 28 ALooper* ALooper_forThread() { 29 return Looper::getForThread().get(); 30 } 31 32 ALooper* ALooper_prepare(int opts) { 33 return Looper::prepare(opts).get(); 34 } 35 36 void ALooper_acquire(ALooper* looper) { 37 static_cast<Looper*>(looper)->incStrong((void*)ALooper_acquire); 38 } 39 40 void ALooper_release(ALooper* looper) { 41 static_cast<Looper*>(looper)->decStrong((void*)ALooper_acquire); 42 } 43 44 int ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 45 sp<Looper> looper = Looper::getForThread(); 46 if (looper == NULL) { 47 ALOGE("ALooper_pollOnce: No looper for this thread!"); 48 return ALOOPER_POLL_ERROR; 49 } 50 51 IPCThreadState::self()->flushCommands(); 52 return looper->pollOnce(timeoutMillis, outFd, outEvents, outData); 53 } 54 55 int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) { 56 sp<Looper> looper = Looper::getForThread(); 57 if (looper == NULL) { 58 ALOGE("ALooper_pollAll: No looper for this thread!"); 59 return ALOOPER_POLL_ERROR; 60 } 61 62 IPCThreadState::self()->flushCommands(); 63 return looper->pollAll(timeoutMillis, outFd, outEvents, outData); 64 } 65 66 void ALooper_wake(ALooper* looper) { 67 static_cast<Looper*>(looper)->wake(); 68 } 69 70 int ALooper_addFd(ALooper* looper, int fd, int ident, int events, 71 ALooper_callbackFunc callback, void* data) { 72 return static_cast<Looper*>(looper)->addFd(fd, ident, events, callback, data); 73 } 74 75 int ALooper_removeFd(ALooper* looper, int fd) { 76 return static_cast<Looper*>(looper)->removeFd(fd); 77 } 78
