Jean Christophe Beyler b9b522a7ad 8203356: VM Object Allocation Collector can infinite recurse
VM Event callback do not provoke a VM alloc event

Reviewed-by: sspitsyn, phh, amenkov, cjplummer
2018-08-30 09:47:12 -07:00

49 lines
1.9 KiB
Java

/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, Google 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.
*/
package MyPackage;
/**
* @test
* @summary Verifies that a VM event callback does not recurse if a VM object is allocated during callback.
* @compile VMEventRecursionTest.java
* @run main/othervm/native -agentlib:VMEventTest MyPackage.VMEventRecursionTest
*/
public class VMEventRecursionTest implements Cloneable {
// Implement a simple clone. A call will provoke a JVMTI event for VM allocations, which tries to
// call this again.
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
public static void main(String[] args) {
VMEventRecursionTest obj = new VMEventRecursionTest();
try {
obj.clone();
} catch(CloneNotSupportedException e) {
// NOP.
}
}
}