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Dianne Hackborn68267412010-07-02 18:52:01 -07001/*
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>
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070021#include <utils/Looper.h>
Jeff Brownc70bed02011-01-10 14:36:37 -080022#include <binder/IPCThreadState.h>
Dianne Hackborn68267412010-07-02 18:52:01 -070023
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070024using android::Looper;
Dianne Hackborn68267412010-07-02 18:52:01 -070025using android::sp;
Jeff Brownc70bed02011-01-10 14:36:37 -080026using android::IPCThreadState;
Dianne Hackborn68267412010-07-02 18:52:01 -070027
28ALooper* ALooper_forThread() {
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070029 return Looper::getForThread().get();
Dianne Hackborn68267412010-07-02 18:52:01 -070030}
31
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070032ALooper* ALooper_prepare(int opts) {
33 return Looper::prepare(opts).get();
Dianne Hackborn68267412010-07-02 18:52:01 -070034}
35
36void ALooper_acquire(ALooper* looper) {
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070037 static_cast<Looper*>(looper)->incStrong((void*)ALooper_acquire);
Dianne Hackborn68267412010-07-02 18:52:01 -070038}
39
40void ALooper_release(ALooper* looper) {
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070041 static_cast<Looper*>(looper)->decStrong((void*)ALooper_acquire);
Dianne Hackborn68267412010-07-02 18:52:01 -070042}
43
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070044int ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData) {
45 sp<Looper> looper = Looper::getForThread();
46 if (looper == NULL) {
47 LOGE("ALooper_pollOnce: No looper for this thread!");
48 return ALOOPER_POLL_ERROR;
49 }
50
Jeff Brownc70bed02011-01-10 14:36:37 -080051 IPCThreadState::self()->flushCommands();
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070052 return looper->pollOnce(timeoutMillis, outFd, outEvents, outData);
Dianne Hackborn68267412010-07-02 18:52:01 -070053}
54
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070055int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) {
56 sp<Looper> looper = Looper::getForThread();
57 if (looper == NULL) {
58 LOGE("ALooper_pollAll: No looper for this thread!");
59 return ALOOPER_POLL_ERROR;
60 }
Jeff Brownc70bed02011-01-10 14:36:37 -080061
62 IPCThreadState::self()->flushCommands();
Jeff Brown4fe6c3e2010-09-13 23:17:30 -070063 return looper->pollAll(timeoutMillis, outFd, outEvents, outData);
64}
65
66void ALooper_wake(ALooper* looper) {
67 static_cast<Looper*>(looper)->wake();
68}
69
70int 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
75int ALooper_removeFd(ALooper* looper, int fd) {
76 return static_cast<Looper*>(looper)->removeFd(fd);
Dianne Hackborn68267412010-07-02 18:52:01 -070077}