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;
  
  public class ThreadListTraces {
    public static void doTest() throws Exception {
      System.out.println("########################################");
      System.out.println("### Other select threads (suspended) ###");
      System.out.println("########################################");
  
      final int N = 10;
  
      final ControlData data = new ControlData(N);
      data.waitFor = new Object();
  
      Thread threads[] = new Thread[N];
  
      Thread list[] = new Thread[N/2 + 1];
  
      for (int i = 0; i < N; i++) {
        Thread t = new Thread("ThreadListTraces Thread " + i) {
          public void run() {
            Recurse.foo(4, 0, 0, data);
          }
        };
        t.start();
        threads[i] = t;
        if (i % 2 == 0) {
          list[i/2] = t;
        }
      }
      list[list.length - 1] = Thread.currentThread();
  
      data.reached.await();
      Thread.yield();
      Thread.sleep(500);  // A little bit of time...
  
      printList(list, 0);
  
      printList(list, 5);
  
      printList(list, 25);
  
      // Let the thread make progress and die.
      synchronized(data.waitFor) {
        data.waitFor.notifyAll();
      }
      for (int i = 0; i < N; i++) {
        threads[i].join();
      }
    }
  
    public static void printList(Thread[] threads, int max) {
      PrintThread.printAll(getThreadListStackTraces(threads, max));
    }
  
    // Similar to getAllStackTraces, but restricted to the given threads.
    public static native Object[][] getThreadListStackTraces(Thread threads[], int max);
  }
  