1 /* 2 * Copyright (c) 2015, 2016, 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 package jdk.vm.ci.hotspot.services; 24 25 import jdk.vm.ci.code.CompiledCode; 26 import jdk.vm.ci.code.InstalledCode; 27 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 28 import jdk.vm.ci.services.JVMCIPermission; 29 30 /** 31 * Service-provider class for responding to VM events. 32 */ 33 public abstract class HotSpotVMEventListener { 34 35 private static Void checkPermission() { 36 SecurityManager sm = System.getSecurityManager(); 37 if (sm != null) { 38 sm.checkPermission(new JVMCIPermission()); 39 } 40 return null; 41 } 42 43 @SuppressWarnings("unused") 44 HotSpotVMEventListener(Void ignore) { 45 } 46 47 /** 48 * Initializes a new instance of this class. 49 * 50 * @throws SecurityException if a security manager has been installed and it denies 51 * {@link JVMCIPermission} 52 */ 53 protected HotSpotVMEventListener() { 54 this(checkPermission()); 55 } 56 57 /** 58 * Notifies this client that the VM is shutting down. 59 */ 60 public void notifyShutdown() { 61 } 62 63 /** 64 * Notify on successful install into the code cache. 65 * 66 * @param hotSpotCodeCacheProvider 67 * @param installedCode 68 * @param compiledCode 69 */ 70 @SuppressWarnings("unexportedinapi") 71 public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, InstalledCode installedCode, CompiledCode compiledCode) { 72 } 73 74 /** 75 * Notify on completion of a bootstrap. 76 */ 77 public void notifyBootstrapFinished() { 78 } 79 }