| /* |
| * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4750978 |
| * @run main/othervm/timeout=300 ExecWithDir |
| * @summary Ensure that we can fork-and-exec repeatedly when a new working |
| * directory is specified |
| */ |
| |
| import java.io.File; |
| |
| public class ExecWithDir { |
| |
| private static final int N = 500; |
| |
| public static void main(String args[]) throws Exception { |
| if (! UnixCommands.isUnix) { |
| System.out.println("For UNIX only"); |
| return; |
| } |
| UnixCommands.ensureCommandsAvailable("true"); |
| |
| final String trueCmd = UnixCommands.findCommand("true"); |
| File dir = new File("."); |
| for (int i = 1; i <= N; i++) { |
| System.out.print(i); |
| System.out.print(" e"); |
| Process p = Runtime.getRuntime().exec(trueCmd, null, dir); |
| System.out.print('w'); |
| int s = p.waitFor(); |
| System.out.println("x " + s); |
| if (s != 0) throw new Error("Unexpected return code " + s); |
| |
| // Avoid "Too many open files" |
| p.getInputStream().close(); |
| p.getOutputStream().close(); |
| p.getErrorStream().close(); |
| } |
| } |
| } |