/* * 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
*/
publicclass 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.
*/ publicstaticvoid 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) { thrownew RuntimeException("Test failed - second debuggee didn't fail to bind");
} else {
System.out.println("Test passed - second debuggee correctly failed to bind");
}
}
}
}
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