blob: d00ecb0785dd8e1aeb67e89eb208bd5c557cb897 (
plain)
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
|
/*
This file is based on:
$XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $
Modified for readability by Nick Kurshev
*/
#include <errno.h>
#include <sys/file.h>
#include <machine/console.h>
#ifndef GCCUSESGAS
#define GCCUSESGAS
#endif
static int io_fd;
static __inline__ int enable_os_io(void)
{
io_fd = -1 ;
if ((io_fd = open("/dev/console", O_RDWR, 0)) < 0) {
perror("/dev/console");
return(errno);
}
if (ioctl(io_fd, KDENABIO, 0) < 0) {
perror("ioctl(KDENABIO)");
return(errno);
}
return(0);
}
static __inline__ int disable_os_io(void)
{
if (ioctl(io_fd, KDDISABIO, 0) < 0) {
perror("ioctl(KDDISABIO)");
close(io_fd);
return(errno);
}
close(io_fd);
return(0);
}
|
