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      1 /*
      2  * Copyright (C) 2016 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 art;
     18 
     19 public class OtherThread {
     20   public static void doTestOtherThreadWait() throws Exception {
     21     System.out.println("################################");
     22     System.out.println("### Other thread (suspended) ###");
     23     System.out.println("################################");
     24     final ControlData data = new ControlData();
     25     data.waitFor = new Object();
     26     Thread t = new Thread("OtherThread doTestOtherThreadWait") {
     27       public void run() {
     28         Recurse.foo(4, 0, 0, data);
     29       }
     30     };
     31     t.start();
     32     data.reached.await();
     33     Thread.yield();
     34     Thread.sleep(500);  // A little bit of time...
     35 
     36     System.out.println("From top");
     37     PrintThread.print(t, 0, 25);
     38     PrintThread.print(t, 1, 25);
     39     PrintThread.print(t, 0, 5);
     40     PrintThread.print(t, 2, 5);
     41 
     42     System.out.println("From bottom");
     43     PrintThread.print(t, -1, 25);
     44     PrintThread.print(t, -5, 5);
     45     PrintThread.print(t, -7, 5);
     46 
     47     // Let the thread make progress and die.
     48     synchronized(data.waitFor) {
     49       data.waitFor.notifyAll();
     50     }
     51     t.join();
     52   }
     53 
     54   public static void doTestOtherThreadBusyLoop() throws Exception {
     55     System.out.println("###########################");
     56     System.out.println("### Other thread (live) ###");
     57     System.out.println("###########################");
     58     final ControlData data = new ControlData();
     59     Thread t = new Thread("OtherThread doTestOtherThreadBusyLoop") {
     60       public void run() {
     61         Recurse.foo(4, 0, 0, data);
     62       }
     63     };
     64     t.start();
     65     data.reached.await();
     66     Thread.yield();
     67     Thread.sleep(500);  // A little bit of time...
     68 
     69     System.out.println("From top");
     70     PrintThread.print(t, 0, 25);
     71     PrintThread.print(t, 1, 25);
     72     PrintThread.print(t, 0, 5);
     73     PrintThread.print(t, 2, 5);
     74 
     75     System.out.println("From bottom");
     76     PrintThread.print(t, -1, 25);
     77     PrintThread.print(t, -5, 5);
     78     PrintThread.print(t, -7, 5);
     79 
     80     // Let the thread stop looping and die.
     81     data.stop = true;
     82     t.join();
     83   }
     84 }
     85