64 lines
2.3 KiB
Java
64 lines
2.3 KiB
Java
/*
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* Copyright (c) 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 7188755
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* @run main/othervm MultiThreadedSystemProxies
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* @summary Crash due to missing synchronization on gconf_client in
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* DefaultProxySelector.c
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*/
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import java.net.ProxySelector;
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import java.net.URI;
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/* Racey test, not guaranteed to fail, but if it does we have a problem. */
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public class MultiThreadedSystemProxies {
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static final int NUM_THREADS = 100;
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public static void main(String[] args) throws Exception {
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System.setProperty("java.net.useSystemProxies", "true");
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final ProxySelector ps = ProxySelector.getDefault();
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final URI uri = new URI("http://ubuntu.com");
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Thread[] threads = new Thread[NUM_THREADS];
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for (int i = 0; i < NUM_THREADS; i++) {
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threads[i] = new Thread(new Runnable() {
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@Override
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public void run() {
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try {
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ps.select(uri);
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} catch (Exception x) {
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throw new RuntimeException(x);
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}
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}
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});
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}
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for (int i = 0; i < NUM_THREADS; i++) {
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threads[i].start();
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}
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for (int i = 0; i < NUM_THREADS; i++) {
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threads[i].join();
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}
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}
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}
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