66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2003, 2018, 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 4531526
|
|
* @summary Test that more than one debuggee cannot bind to same port
|
|
* at the same time.
|
|
* @library /test/lib
|
|
*
|
|
* @build ExclusiveBind HelloWorld
|
|
* @run driver ExclusiveBind
|
|
*/
|
|
|
|
import jdk.test.lib.process.ProcessTools;
|
|
import lib.jdb.Debuggee;
|
|
|
|
public class ExclusiveBind {
|
|
/*
|
|
* - Launch a debuggee with server=y,suspend=y
|
|
* - Parse listening port
|
|
* - Launch a second debuggee in server=y,suspend=n with the parsed port
|
|
* - Second debuggee should fail with an error (address already in use)
|
|
* - For clean-up we attach to the first debuggee and resume it.
|
|
*/
|
|
public static void main(String args[]) throws Exception {
|
|
// launch the first debuggee
|
|
try (Debuggee process1 = Debuggee.launcher("HelloWorld").launch("process1")) {
|
|
// launch a second debuggee with the same address
|
|
ProcessBuilder process2 = Debuggee.launcher("HelloWorld")
|
|
.setSuspended(false)
|
|
.setAddress(process1.getAddress())
|
|
.prepare();
|
|
|
|
// get exit status from second debuggee
|
|
int exitCode = ProcessTools.startProcess("process2", process2).waitFor();
|
|
|
|
// if the second debuggee ran to completion then we've got a problem
|
|
if (exitCode == 0) {
|
|
throw new RuntimeException("Test failed - second debuggee didn't fail to bind");
|
|
} else {
|
|
System.out.println("Test passed - second debuggee correctly failed to bind");
|
|
}
|
|
}
|
|
}
|
|
}
|