1 /*
   2  * Copyright 2010 Google, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Sun designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Sun in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 import sun.misc.Continuation;
  26 import java.util.concurrent.CountDownLatch;
  27 
  28 /*
  29  * Like ContinuationTest7 but with extra stack frames via recursion.
  30  */
  31 public class ContinuationTest8 {
  32 
  33     public static void main(String[] args) throws Exception {
  34         final int parallel = 3000;
  35         final CountDownLatch latch = new CountDownLatch(parallel);
  36         for(int i = 0; i < parallel; ++i) {
  37             Runnable r = new Runnable() {
  38                 public void run() {
  39                     // Repeat the save-resume cycle 5 times
  40                     for (int i = 0; i < 5; ++i) {
  41                         ContinuationTestBase.gammon4(100);
  42                     }
  43                     latch.countDown();
  44                 }};
  45             ContinuationTestBase.saveResumeCycle(r, null);
  46         }
  47         latch.await();
  48         ContinuationTestBase.executor.shutdown();
  49     }
  50 }