925586066c
Clamp the timeout passed to kevent0 to the largest value that does not provoke the error. Reviewed-by: clanger, alanb
84 lines
2.7 KiB
Java
84 lines
2.7 KiB
Java
/*
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* Copyright (c) 2016, 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 8165000
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* @summary Verify no IOException on OS X for large timeout value in select().
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* @requires (os.family == "mac")
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*/
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import java.io.IOException;
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import java.nio.channels.Selector;
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public class SelectTimeout {
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private static final long HUGE_TIMEOUT = 100000001000L;
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private static final long SLEEP_MILLIS = 10000;
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private static Exception theException;
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public static void main(String[] args)
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throws IOException, InterruptedException {
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int failures = 0;
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long[] timeouts =
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new long[] {0, HUGE_TIMEOUT/2, HUGE_TIMEOUT - 1, HUGE_TIMEOUT};
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for (long t : timeouts) {
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if (!test(t)) {
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failures++;
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}
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}
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if (failures > 0) {
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throw new RuntimeException("Test failed!");
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} else {
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System.out.println("Test succeeded");
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}
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}
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private static boolean test(final long timeout)
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throws InterruptedException, IOException {
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theException = null;
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Selector selector = Selector.open();
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Thread t = new Thread(() -> {
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try {
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selector.select(timeout);
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} catch (IOException ioe) {
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theException = ioe;
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}
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});
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t.start();
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Thread.currentThread().sleep(SLEEP_MILLIS);
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t.interrupt();
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if (theException == null) {
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System.out.printf("Test succeeded with timeout %d%n", timeout);
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return true;
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} else {
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System.err.printf("Test failed with timeout %d%n", timeout);
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theException.printStackTrace();
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return false;
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}
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}
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}
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