devnull.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
 *
 *  COPYRIGHT (c) 1989-2000.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _RTEMS_DEVNULL_H
#define _RTEMS_DEVNULL_H
 
#include <rtems/io.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 */