jdk-24/test/jdk/javax/management/mxbean/ThreadStartTest.java
2019-10-08 09:39:10 -07:00

57 lines
2.0 KiB
Java

/*
* Copyright (c) 2019, 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 8231666
* @summary Test checks that new threads could be successfully started when the thread
* table introduced in 8185005 is growing. The test enables the thread table by calling
* ThreadMXBean.getThreadInfo() and then creates a number of threads to force the thread
* table to grow.
*
* @run main ThreadStartTest
*/
import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;
public class ThreadStartTest {
public static void main(String[] args) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
// Enable thread table
mbean.getThreadInfo(Thread.currentThread().getId());
// Create a large number of threads to make the thread table grow
for (int i = 0; i < 1000; i++) {
Thread t = new Thread(() -> {
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
}
});
t.start();
}
}
}