jdk-24/test/hotspot/jtreg/serviceability/jvmti/DynamicCodeGenerated/DynamicCodeGeneratedTest.java
2021-06-04 17:22:01 +00:00

58 lines
2.0 KiB
Java

/*
* Copyright (c) 2021, 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 8212155
* @summary Test concurrent enabling and posting of DynamicCodeGenerated events.
* @requires vm.jvmti
* @library /test/lib
* @run main/othervm/native -agentlib:DynamicCodeGenerated DynamicCodeGeneratedTest
*/
import java.lang.ref.Reference;
public class DynamicCodeGeneratedTest {
static {
System.loadLibrary("DynamicCodeGenerated");
}
public static native void changeEventNotificationMode();
public static void main(String[] args) {
// Try to enable DynamicCodeGenerated event while it is posted
// using JvmtiDynamicCodeEventCollector from VtableStubs::find_stub
Thread t = new Thread(() -> {
changeEventNotificationMode();
});
t.setDaemon(true);
t.start();
for (int i = 0; i < 2000; i++) {
new Thread(() -> {
String result = "string" + System.currentTimeMillis();
Reference.reachabilityFence(result);
}).start();
}
}
}