source: rtems/cpukit/sapi/src/ioopen.c

Last change on this file was 18ff889, checked in by Sebastian Huber <sebastian.huber@…>, on Mar 14, 2016 at 9:11:38 AM

score: Use ISR lock for IO driver registration

Create implementation header file.

Update #2555.

  • Property mode set to 100644
File size: 838 bytes
Line 
1/**
2 * @file
3 *
4 * @brief Opening for The IO Manager
5 *
6 * @ingroup ClassicIO
7 */
8
9/*
10 *  Input/Output Manager - Open Device
11 *
12 *  COPYRIGHT (c) 1989-2007.
13 *  On-Line Applications Research Corporation (OAR).
14 *
15 *  The license and distribution terms for this file may be
16 *  found in the file LICENSE in this distribution or at
17 *  http://www.rtems.org/license/LICENSE.
18 */
19
20#if HAVE_CONFIG_H
21#include "config.h"
22#endif
23
24#include <rtems/ioimpl.h>
25
26rtems_status_code rtems_io_open(
27  rtems_device_major_number  major,
28  rtems_device_minor_number  minor,
29  void                      *argument
30)
31{
32  rtems_device_driver_entry callout;
33
34  if ( major >= _IO_Number_of_drivers )
35    return RTEMS_INVALID_NUMBER;
36
37  callout = _IO_Driver_address_table[major].open_entry;
38  return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL;
39}
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