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android_frameworks_base/native/android/looper.cpp at kk-aosp-master · Hashcode/android_frameworks_base · GitHub
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looper.cpp
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looper.cpp
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#
define
LOG_TAG
"
ALooper
"
#
include
<
utils/Log.h
>
#
include
<
android/looper.h
>
#
include
<
utils/Looper.h
>
#
include
<
binder/IPCThreadState.h
>
using
android::Looper;
using
android::sp;
using
android::IPCThreadState;
static
inline
Looper*
ALooper_to_Looper
(ALooper* alooper) {
return
reinterpret_cast
<Looper*>(alooper);
}
static
inline
ALooper*
Looper_to_ALooper
(Looper* looper) {
return
reinterpret_cast
<ALooper*>(looper);
}
ALooper*
ALooper_forThread
() {
return
Looper_to_ALooper
(
Looper::getForThread
().
get
());
}
ALooper*
ALooper_prepare
(
int
opts) {
return
Looper_to_ALooper
(
Looper::prepare
(opts).
get
());
}
void
ALooper_acquire
(ALooper* looper) {
ALooper_to_Looper
(looper)->
incStrong
((
void
*)ALooper_acquire);
}
void
ALooper_release
(ALooper* looper) {
ALooper_to_Looper
(looper)->
decStrong
((
void
*)ALooper_acquire);
}
int
ALooper_pollOnce
(
int
timeoutMillis,
int
* outFd,
int
* outEvents,
void
** outData) {
sp<Looper> looper =
Looper::getForThread
();
if
(looper ==
NULL
) {
ALOGE
(
"
ALooper_pollOnce: No looper for this thread!
"
);
return
ALOOPER_POLL_ERROR
;
}
IPCThreadState::self
()->
flushCommands
();
return
looper->
pollOnce
(timeoutMillis, outFd, outEvents, outData);
}
int
ALooper_pollAll
(
int
timeoutMillis,
int
* outFd,
int
* outEvents,
void
** outData) {
sp<Looper> looper =
Looper::getForThread
();
if
(looper ==
NULL
) {
ALOGE
(
"
ALooper_pollAll: No looper for this thread!
"
);
return
ALOOPER_POLL_ERROR
;
}
IPCThreadState::self
()->
flushCommands
();
return
looper->
pollAll
(timeoutMillis, outFd, outEvents, outData);
}
void
ALooper_wake
(ALooper* looper) {
ALooper_to_Looper
(looper)->
wake
();
}
int
ALooper_addFd
(ALooper* looper,
int
fd,
int
ident,
int
events,
ALooper_callbackFunc callback,
void
* data) {
return
ALooper_to_Looper
(looper)->
addFd
(fd, ident, events, callback, data);
}
int
ALooper_removeFd
(ALooper* looper,
int
fd) {
return
ALooper_to_Looper
(looper)->
removeFd
(fd);
}
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