0N/A/*
3909N/A * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/* @test
0N/A @bug 4180429
0N/A @summary Lossage in dup2 if System.in is closed.
0N/A @run main/othervm Duped
0N/A */
0N/A
0N/Aimport java.io.BufferedReader;
0N/Aimport java.io.PrintStream;
0N/Aimport java.io.InputStreamReader;
0N/Aimport java.io.File;
0N/A
0N/Apublic class Duped {
0N/A
0N/A public static class Echo {
0N/A public static void main(String args[]) throws Exception {
0N/A StringBuffer s = new StringBuffer();
0N/A int c;
3483N/A while ((c = System.in.read()) != -1)
0N/A s.append((char)c);
0N/A System.out.println(s);
0N/A }
0N/A }
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A
0N/A String command =
0N/A System.getProperty("java.home") +
0N/A File.separator +
0N/A "bin" +
0N/A File.separator +
0N/A "java -classpath " +
0N/A System.getProperty("java.class.path") +
0N/A " Duped$Echo";
0N/A
0N/A if (args.length == 1 && args[0].equals("-dont")) {
0N/A /*
0N/A * To quickly check that this test is working when it is
0N/A * supposed to, just run it with -dont and it shouldn't
0N/A * complain at all.
0N/A */
0N/A } else {
0N/A /*
0N/A * In normal runs we just close in, and that causes
0N/A * lossage on fork.
0N/A */
0N/A System.in.close();
0N/A }
0N/A
0N/A Process p = Runtime.getRuntime().exec(command);
0N/A PrintStream out = new PrintStream(p.getOutputStream());
0N/A out.println(HELLO);
0N/A out.close();
0N/A
0N/A BufferedReader in =
0N/A new BufferedReader(new InputStreamReader(p.getInputStream()));
0N/A String read = in.readLine();
0N/A
0N/A if (!HELLO.equals(read)) {
0N/A throw new Exception("Failed, read ``" + read + "''");
0N/A }
0N/A }
0N/A
0N/A static final String HELLO = "Hello, world!";
0N/A
0N/A}