| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| #include "HandlerThread.h" |
| |
| namespace android { |
| |
| HandlerThread::HandlerThread() |
| : mShouldQuit(false) { |
| |
| } |
| |
| HandlerThread::~HandlerThread() { |
| quit(); |
| } |
| |
| sp<Looper> HandlerThread::getLooper() { |
| Mutex::Autolock autoLock(mLock); |
| if (mLooper.get() == 0) { |
| mLooperWait.wait(mLock); |
| } |
| return mLooper; |
| } |
| |
| status_t HandlerThread::start(const char* name, int32_t priority, size_t stack) { |
| return run(name, priority, stack); |
| } |
| |
| void HandlerThread::quit() { |
| if (!isRunning()) { |
| return; |
| } |
| sp<Looper> looper = getLooper(); |
| mLock.lock(); |
| mShouldQuit = true; |
| mLock.unlock(); |
| looper->wake(); |
| requestExitAndWait(); |
| } |
| |
| bool HandlerThread::threadLoop() { |
| mLock.lock(); |
| mLooper = Looper::prepare(0); |
| mLooperWait.broadcast(); |
| mLock.unlock(); |
| while (true) { |
| do { |
| Mutex::Autolock autoLock(mLock); |
| if (mShouldQuit) { |
| return false; |
| } |
| } while (false); |
| mLooper->pollOnce(-1); |
| } |
| return false; |
| } |
| |
| |
| }; |