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 package android.os;
18 
19 import android.app.Service;
20 import android.content.Intent;
21 import android.util.Log;
22 
23 /**
24  * Service used by {@link BinderThreadPriorityTest} to verify
25  * the conveyance of thread priorities over Binder.
26  */
27 public class BinderThreadPriorityService extends Service {
28     private static final String TAG = "BinderThreadPriorityService";
29 
30     private final IBinderThreadPriorityService.Stub mBinder =
31             new IBinderThreadPriorityService.Stub() {
32         public int getThreadPriority() {
33             return Process.getThreadPriority(Process.myTid());
34         }
35 
36         public String getThreadSchedulerGroup() {
37             return BinderThreadPriorityTest.getSchedulerGroup();
38         }
39 
40         public void callBack(IBinderThreadPriorityService recurse) {
41             try {
42                 recurse.callBack(this);
43             } catch (RemoteException e) {
44                 Log.e(TAG, "Binder callback failed", e);
45             }
46         }
47 
48         public void setPriorityAndCallBack(int priority, IBinderThreadPriorityService recurse) {
49             Process.setThreadPriority(priority);
50             try {
51                 recurse.callBack(this);
52             } catch (RemoteException e) {
53                 Log.e(TAG, "Binder callback failed", e);
54             }
55         }
56     };
57 
onBind(Intent intent)58     public IBinder onBind(Intent intent) {
59         return mBinder;
60     }
61 }
62