mirror of https://github.com/mpv-player/mpv
40 lines
856 B
C
40 lines
856 B
C
/*
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This file is based on:
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$XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $
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Modified for readability by Nick Kurshev
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*/
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#include <errno.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <i386/isa/pcconsioctl.h>
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#ifndef GCCUSESGAS
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#define GCCUSESGAS
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#endif
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static int io_fd;
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static __inline__ int enable_os_io(void)
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{
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io_fd = -1 ;
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if ((io_fd = open("/dev/console", O_RDWR, 0)) < 0) {
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perror("/dev/console");
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return(errno);
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}
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if (ioctl(io_fd, PCCONENABIOPL, 0) < 0) {
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perror("ioctl(PCCONENABIOPL)");
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return(errno);
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}
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return(0);
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}
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static __inline__ int disable_os_io(void)
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{
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if (ioctl(io_fd, PCCONDISABIOPL, 0) < 0) {
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perror("ioctl(PCCONDISABIOPL)");
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close(io_fd);
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return(errno);
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}
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close(io_fd);
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return(0);
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}
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