/* * Copyright (c) 2008, 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 sun.tracing.dtrace; import java.lang.reflect.Method; /** * Container class for JVM interface native methods * * @since 1.7 */class JVM {     static {      java.security.AccessController.doPrivileged(              new sun.security.action.LoadLibraryAction("jsdt"));    }     static long activate(String moduleName, DTraceProvider[] providers) {        return activate0(moduleName, providers);    }     static void dispose(long handle) {        dispose0(handle);    }     static boolean isEnabled(Method m) {        return isEnabled0(m);    }     static boolean isSupported() {        return isSupported0();    }     static Class<?> defineClass(            ClassLoader loader, String name, byte[] b, int off, int len) {        return defineClass0(loader, name, b, off, len);    }     private static native long activate0(        String moduleName, DTraceProvider[] providers);    private static native void dispose0(long activation_handle);    private static native boolean isEnabled0(Method m);    private static native boolean isSupported0();    private static native Class<?> defineClass0(        ClassLoader loader, String name, byte[] b, int off, int len);}