content: /*
   * Copyright (C) 2015 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.
   */
  
  /**
   * Test that daemon threads still contending for a lock don't make the runtime abort on shutdown.
   */
  public class Main {
  
      public final static int THREAD_COUNT = 32;
  
      public static void main(String[] args) throws Exception {
          Object sync = new Object();
  
          for (int i = 0; i < THREAD_COUNT; i++) {
              Thread t = new Thread(new Wait(sync));
              t.setDaemon(true);
              t.start();
          }
      }
  
      private static class Wait implements Runnable {
          private Object obj;
  
          public Wait(Object obj) {
              this.obj = obj;
          }
  
          public void run() {
              for (;;) {
                  synchronized(obj) {
                      try {
                          obj.wait(1);
                      } catch (Exception exc) {
                          exc.printStackTrace(System.out);
                      }
                  }
              }
          }
      }
  }
  