mirror of
https://github.com/mpv-player/mpv
synced 2024-12-16 03:45:23 +00:00
3acba2c82d
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26785 b3059339-0415-0410-9bf9-f77b7e298cf2
40 lines
851 B
C
40 lines
851 B
C
/*
|
|
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 <sys/ioctl.h>
|
|
#include <i386/isa/pcconsioctl.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, PCCONENABIOPL, 0) < 0) {
|
|
perror("ioctl(PCCONENABIOPL)");
|
|
return errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static __inline__ int disable_os_io(void)
|
|
{
|
|
if (ioctl(io_fd, PCCONDISABIOPL, 0) < 0) {
|
|
perror("ioctl(PCCONDISABIOPL)");
|
|
close(io_fd);
|
|
return errno;
|
|
}
|
|
close(io_fd);
|
|
return 0;
|
|
}
|