/*

 */

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);

}