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/*
* Copyright (c) 2012, 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 7188755
* @run main/othervm MultiThreadedSystemProxies
* @summary Crash due to missing synchronization on gconf_client in
* DefaultProxySelector.c
*/
import java.net.ProxySelector;
import java.net.URI;
/* Racey test, not guaranteed to fail, but if it does we have a problem. */
public class MultiThreadedSystemProxies {
static final int NUM_THREADS = 100;
public static void main(String[] args) throws Exception {
System.setProperty("java.net.useSystemProxies", "true");
final ProxySelector ps = ProxySelector.getDefault();
final URI uri = new URI("http://ubuntu.com");
Thread[] threads = new Thread[NUM_THREADS];
for (int i = 0; i < NUM_THREADS; i++) {
threads[i] = new Thread(new Runnable() {
@Override
public void run() {
try {
ps.select(uri);
} catch (Exception x) {
throw new RuntimeException(x);
}
}
});
}
for (int i = 0; i < NUM_THREADS; i++) {
threads[i].start();
}
for (int i = 0; i < NUM_THREADS; i++) {
threads[i].join();
}
}
}
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