source: rtems/cpukit/libfs/src/defaults/default_mmap.c @ 0ec9bbc

5
Last change on this file since 0ec9bbc was c6bb1c33, checked in by Kevin Kirspel <kevin-kirspel@…>, on 06/29/17 at 14:36:43

posix/mmap: Add support for file handler and MAP_ANON

Added a mmap file handler to struct _rtems_filesystem_file_handlers_r.
Updated each file handler object to support the default mmap handler.
Updated mmap() to call the mmap handler for MAP_SHARED.
Added a mmap file handler for shm

Added support for MAP_ANON in mmap().

Updates #2859
  • Property mode set to 100644
File size: 785 bytes
Line 
1/**
2 * @file
3 *
4 * @brief Default MMAP Handler
5 *
6 * @ingroup LibIOFSHandler
7 */
8
9/*
10 * Copyright (c) 2017 Kevin Kirspel (kirspkt@gmail.com)
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18  #include "config.h"
19#endif
20
21#include <rtems/libio_.h>
22
23int rtems_filesystem_default_mmap(
24  rtems_libio_t  *iop,
25  void          **addr,
26  size_t          len,
27  int             prot,
28  off_t           off
29)
30{
31  rtems_set_errno_and_return_minus_one( ENOTSUP );
32}
33
34int rtems_termios_mmap(
35  rtems_libio_t  *iop,
36  void          **addr,
37  size_t          len,
38  int             prot,
39  off_t           off
40) RTEMS_WEAK_ALIAS( rtems_filesystem_default_mmap );
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