d090606f36
On Mac OS X, align system property "os.arch" with Apple legacy JDKs. Also, improve os.name string matching by using .contains() method instead of .startsWith(). This fix spans multiple repositories. Reviewed-by: dcubed, phh, ohair, katleman
74 lines
2.5 KiB
Java
74 lines
2.5 KiB
Java
/*
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* Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6474073
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* @summary Make sure zombies don't get created on Unix
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* @author Martin Buchholz
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*/
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import java.io.*;
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public class Zombies {
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static final String os = System.getProperty("os.name");
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static final String TrueCommand = os.contains("OS X")?
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"/usr/bin/true" : "/bin/true";
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public static void main(String[] args) throws Throwable {
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if (! new File("/usr/bin/perl").canExecute() ||
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! new File("/bin/ps").canExecute())
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return;
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System.out.println("Looks like a Unix system.");
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final Runtime rt = Runtime.getRuntime();
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try {
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rt.exec("no-such-file");
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throw new Error("expected IOException not thrown");
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} catch (IOException _) {/* OK */}
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try {
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rt.exec(".");
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throw new Error("expected IOException not thrown");
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} catch (IOException _) {/* OK */}
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try {
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rt.exec(TrueCommand, null, new File("no-such-dir"));
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throw new Error("expected IOException not thrown");
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} catch (IOException _) {/* OK */}
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rt.exec(TrueCommand).waitFor();
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// Count all the zombies that are children of this Java process
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final String[] zombieCounter = {
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"/usr/bin/perl", "-e",
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"exit @{[`/bin/ps -eo ppid,s` =~ /^ *@{[getppid]} +Z$/mog]}"
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};
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int zombies = rt.exec(zombieCounter).waitFor();
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if (zombies != 0) throw new Error(zombies + " zombies!");
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}
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}
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