1 /*
   2  * Copyright (c) 2002, Oracle and/or its affiliates. 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 4763362
  26  * @summary Ensure that Process.waitFor returns the correct status code
  27  *          even for very short-running subprocesses
  28  */
  29 
  30 
  31 public class Status {
  32 
  33     private static int N = 160;
  34 
  35     public static void main(String args[])
  36         throws Exception
  37     {
  38         if (!System.getProperty("os.name").equals("Linux"))
  39             return;
  40         for (int i = 0; i < N; i++) {
  41             Process p = Runtime.getRuntime().exec("false");
  42             int s = p.waitFor();
  43             System.out.print(s);
  44             System.out.print(' ');
  45             if (s != 1) {
  46                 System.out.println();
  47                 throw new Exception("Wrong status");
  48             }
  49         }
  50         System.out.println();
  51     }
  52 
  53 }