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
ALooper_forThread()28 ALooper* ALooper_forThread() {
29 return Looper::getForThread().get();
30 }
31
ALooper_prepare(int opts)32 ALooper* ALooper_prepare(int opts) {
33 return Looper::prepare(opts).get();
34 }
35
ALooper_acquire(ALooper * looper)36 void ALooper_acquire(ALooper* looper) {
37 static_cast<Looper*>(looper)->incStrong((void*)ALooper_acquire);
38 }
39
ALooper_release(ALooper * looper)40 void ALooper_release(ALooper* looper) {
41 static_cast<Looper*>(looper)->decStrong((void*)ALooper_acquire);
42 }
43
ALooper_pollOnce(int timeoutMillis,int * outFd,int * outEvents,void ** outData)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
ALooper_pollAll(int timeoutMillis,int * outFd,int * outEvents,void ** outData)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
ALooper_wake(ALooper * looper)66 void ALooper_wake(ALooper* looper) {
67 static_cast<Looper*>(looper)->wake();
68 }
69
ALooper_addFd(ALooper * looper,int fd,int ident,int events,ALooper_callbackFunc callback,void * data)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
ALooper_removeFd(ALooper * looper,int fd)75 int ALooper_removeFd(ALooper* looper, int fd) {
76 return static_cast<Looper*>(looper)->removeFd(fd);
77 }
78