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/*  null.h

 *

 *  Null device driver, derived from rtems' stub driver.

 *

 *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)

 *

 *  COPYRIGHT (c) 1989-1998.

 *  On-Line Applications Research Corporation (OAR).

 *  Copyright assigned to U.S. Government, 1994.

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: null.h,v 1.2 2001-09-27 12:01:38 chris Exp $

 */

#ifndef __NULL_DRIVER_h

#define __NULL_DRIVER_h

#ifdef __cplusplus

extern "C" {

#endif

#define DEVNULL_DRIVER_TABLE_ENTRY \

  { null_initialize, null_open, null_close, null_read, \

    null_write, null_control }

#define NULL_SUCCESSFUL RTEMS_SUCCESSFUL

rtems_device_driver null_initialize(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

rtems_device_driver null_open(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

rtems_device_driver null_close(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

rtems_device_driver null_read(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

rtems_device_driver null_write(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

rtems_device_driver null_control(

  rtems_device_major_number,

  rtems_device_minor_number,

  void *

);

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */