libcons/vcons-destroy.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

/* vcons-destroy.c - Clean up the resources for a virtual console.
   Copyright (C) 2002 Free Software Foundation, Inc.
   Written by Marcus Brinkmann.

   This file is part of the GNU Hurd.

   The GNU Hurd is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   The GNU Hurd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */

#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/mman.h>
#include <sys/fcntl.h>

#include <hurd.h>
#include <mach.h>

#include "cons.h"

/* Destroy the virtual console VCONS.  */
void
cons_vcons_destroy (void *port)
{
  cons_notify_t notify = (cons_notify_t) port;
  vcons_t vcons = (vcons_t) port;

  if (notify->cons)
    return;

  if (vcons->input >= 0)
    {
      close (vcons->input);
      vcons->input = -1;
    }
  if (vcons->display != MAP_FAILED)
    {
      munmap (vcons->display, vcons->display_size);
      vcons->display = MAP_FAILED;
    }
}