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 
  27 /*
  28  * Tests a simple continuation save/resume between two threads in a loop.
  29  *
  30  * The two threads do not synchronize via a join.
  31  */
  32 public class ContinuationTest5 {
  33 
  34     public static void main(String[] args) throws Exception {
  35       for(int i = 0; i < 10; ++i) {
  36         Object rv = Continuation.enter(
  37             new Runnable() {
  38                 public void run() {
  39                     System.out.println(ContinuationTestBase.gammon2(65000));
  40                 }
  41             }, null);
  42         System.out.println("main: " + rv);
  43         final Continuation cont = (Continuation) rv;
  44         System.out.println("cont: " + cont);
  45         Runnable r = new Runnable() {
  46             public void run() {
  47                 Object rv1 = Continuation.enter(
  48                     new Runnable() {
  49                         public void run() {
  50                             cont.resume("resuming");
  51                         }
  52                     }, null);
  53                 System.out.println("thread end");
  54             }
  55           };
  56         Thread t = new Thread(r);
  57         t.start();
  58         System.out.println("main2");
  59       }
  60     }
  61 }