1 /*
2  * Copyright (c) 2015, 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
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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.
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23 
24 package compiler.jvmci.events;
25 
26 import jdk.vm.ci.services.JVMCIServiceLocator;
27 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
28 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
29 
30 public class JvmciShutdownEventListener extends JVMCIServiceLocator implements HotSpotVMEventListener {
31     public static final String MESSAGE = "Shutdown notified";
32     public static final String GOT_INTERNAL_ERROR = "Got internal error";
33 
main(String args[])34     public static void main(String args[]) {
35         try {
36             HotSpotJVMCIRuntime.runtime(); // let's trigger that lazy jvmci init
37         } catch (InternalError e) {
38             System.out.println(GOT_INTERNAL_ERROR);
39         }
40     }
41 
42     @Override
getProvider(Class<S> service)43     public <S> S getProvider(Class<S> service) {
44         if (service == HotSpotVMEventListener.class) {
45             return service.cast(this);
46         }
47         return null;
48     }
49 
50     @Override
notifyShutdown()51     public void notifyShutdown() {
52         System.out.println(MESSAGE);
53     }
54 }
55