mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 09:32:40 +00:00
3acba2c82d
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26785 b3059339-0415-0410-9bf9-f77b7e298cf2
50 lines
1.7 KiB
C
50 lines
1.7 KiB
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
|
|
*/
|
|
/*
|
|
* Copyright 1995 by Robin Cutshaw <robin@XFree86.Org>
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that
|
|
* copyright notice and this permission notice appear in supporting
|
|
* documentation, and that the names of the above listed copyright holder(s)
|
|
* not be used in advertising or publicity pertaining to distribution of
|
|
* the software without specific, written prior permission. The above listed
|
|
* copyright holder(s) make(s) no representations about the suitability of this
|
|
* software for any purpose. It is provided "as is" without express or
|
|
* implied warranty.
|
|
*
|
|
* THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
|
|
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
|
|
* LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
|
|
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifdef __i386__
|
|
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <machine/sysarch.h>
|
|
|
|
static __inline__ int enable_os_io(void)
|
|
{
|
|
if (i386_iopl(1) < 0) {
|
|
perror("i386_iopl");
|
|
return errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static __inline__ int disable_os_io(void)
|
|
{
|
|
/* Nothing to do */
|
|
return 0;
|
|
}
|
|
#endif
|