content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package art;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class AllTraces {
    private final static List<Object> RETAIN = new ArrayList<Object>();
  
    public static void doTest() throws Exception {
      System.out.println("################################");
      System.out.println("### Other threads (suspended) ###");
      System.out.println("################################");
  
      // Also create an unstarted and a dead thread.
      RETAIN.add(new Thread("UNSTARTED"));
      Thread deadThread = new Thread("DEAD");
      RETAIN.add(deadThread);
      deadThread.start();
      deadThread.join();
  
      final int N = 10;
  
      final ControlData data = new ControlData(N);
      data.waitFor = new Object();
  
      Thread threads[] = new Thread[N];
  
      for (int i = 0; i < N; i++) {
        Thread t = new Thread("AllTraces Thread " + i) {
          public void run() {
            Recurse.foo(4, 0, 0, data);
          }
        };
        t.start();
        threads[i] = t;
      }
      data.reached.await();
      Thread.yield();
      Thread.sleep(500);  // A little bit of time...
  
      printAll(0);
  
      printAll(5);
  
      printAll(25);
  
      // Let the thread make progress and die.
      synchronized(data.waitFor) {
        data.waitFor.notifyAll();
      }
      for (int i = 0; i < N; i++) {
        threads[i].join();
      }
  
      RETAIN.clear();
    }
  
    public static void printAll(int max) {
      PrintThread.printAll(getAllStackTraces(max));
    }
  
    // Get all stack traces. This will return an array with an element for each thread. The element
    // is an array itself with the first element being the thread, and the second element a nested
    // String array as in getStackTrace.
    public static native Object[][] getAllStackTraces(int max);
  }
  