1 /*
2  * Copyright 2023 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 
19 #include <sched.h>
20 
21 #include <android/gui/SchedulingPolicy.h>
22 #include <binder/Status.h>
23 
24 namespace android::gui {
25 
getSchedulingPolicy(gui::SchedulingPolicy * outPolicy)26 static binder::Status getSchedulingPolicy(gui::SchedulingPolicy* outPolicy) {
27     outPolicy->policy = sched_getscheduler(0);
28     if (outPolicy->policy < 0) {
29         return binder::Status::fromExceptionCode(EX_ILLEGAL_STATE);
30     }
31 
32     struct sched_param param;
33     if (sched_getparam(0, &param) < 0) {
34         return binder::Status::fromExceptionCode(EX_ILLEGAL_STATE);
35     }
36     outPolicy->priority = param.sched_priority;
37     return binder::Status::ok();
38 }
39 
40 } // namespace android::gui