1 /*

     2  * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /* @test

    25    @bug 4116016

    26    @summary Ensure that finalizers are not invoked more than once when on-exit

    27             finalization is enabled and a finalizer invokes System.exit after

    28             System.exit has already been invoked

    29    @build FinExit

    30    @run shell FinExit.sh

    31  */

    32 

    33 

    34 public class FinExit {

    35 

    36     boolean finalized = false;

    37 

    38     public void finalize() {

    39         if (finalized) {

    40             System.out.println("2");

    41         } else {

    42             finalized = true;

    43             System.out.println("1");

    44             System.exit(0);

    45         }

    46     }

    47 

    48     public static void main(String[] args) throws Exception {

    49         System.runFinalizersOnExit(true);

    50         Object o = new FinExit();

    51         System.exit(0);

    52     }

    53 

    54 }