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      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.text.TextUtils;
     22 import android.util.Log;
     23 
     24 /**
     25  * Service used by {@link BinderThreadPriorityTest} to verify
     26  * the conveyance of thread priorities over Binder.
     27  */
     28 public class BinderThreadPriorityService extends Service {
     29     private static final String TAG = "BinderThreadPriorityService";
     30 
     31     private final IBinderThreadPriorityService.Stub mBinder =
     32             new IBinderThreadPriorityService.Stub() {
     33         public int getThreadPriority() {
     34             return Process.getThreadPriority(Process.myTid());
     35         }
     36 
     37         public String getThreadSchedulerGroup() {
     38             return BinderThreadPriorityTest.getSchedulerGroup();
     39         }
     40 
     41         public void callBack(IBinderThreadPriorityService recurse) {
     42             try {
     43                 recurse.callBack(this);
     44             } catch (RemoteException e) {
     45                 Log.e(TAG, "Binder callback failed", e);
     46             }
     47         }
     48 
     49         public void setPriorityAndCallBack(int priority, IBinderThreadPriorityService recurse) {
     50             Process.setThreadPriority(priority);
     51             try {
     52                 recurse.callBack(this);
     53             } catch (RemoteException e) {
     54                 Log.e(TAG, "Binder callback failed", e);
     55             }
     56         }
     57     };
     58 
     59     public IBinder onBind(Intent intent) {
     60         return mBinder;
     61     }
     62 }
     63