/*

 * Copyright (c) 2008, 2012, 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 java.security.PrivilegedAction<Void>() {

                public Void run() {

                    System.loadLibrary("jsdt");

                    return null;

                }

            });

    }

    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);

}