1 /*
2  * Copyright (C) 2020 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 #pragma once
18 #include <fmq/EventFlag.h>
19 
20 namespace android {
21 namespace hardware {
22 namespace audio {
23 namespace V6_0 {
24 namespace implementation {
25 
26 struct IOThread {
27     static constexpr uint32_t STAND_BY_REQUEST = 1 << 20;
28     static constexpr uint32_t EXIT_REQUEST = 1 << 21;
29 
~IOThreadIOThread30     virtual ~IOThread() {}
31     virtual EventFlag *getEventFlag() = 0;
32     virtual bool notify(uint32_t mask);
33     virtual bool standby();
34     virtual void requestExit();
35 };
36 
37 }  // namespace implementation
38 }  // namespace V6_0
39 }  // namespace audio
40 }  // namespace hardware
41 }  // namespace android
42