source: branches/3.2/mindi-busybox/console-tools/fgconsole.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 6 years ago
  • Update mindi-busybox to 1.21.1
  • Property svn:eol-style set to native
File size: 922 bytes
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Mini fgconsole implementation for busybox
4 *
5 * Copyright (C) 2010 by Grigory Batalov <bga@altlinux.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9
10//usage:#define fgconsole_trivial_usage
11//usage:    ""
12//usage:#define fgconsole_full_usage "\n\n"
13//usage:    "Get active console"
14
15#include "libbb.h"
16
17/* From <linux/vt.h> */
18struct vt_stat {
19    unsigned short v_active;        /* active vt */
20    unsigned short v_signal;        /* signal to send */
21    unsigned short v_state;         /* vt bitmask */
22};
23enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */
24
25int fgconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
26int fgconsole_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
27{
28    struct vt_stat vtstat;
29
30    vtstat.v_active = 0;
31    xioctl(get_console_fd_or_die(), VT_GETSTATE, &vtstat);
32    printf("%d\n", vtstat.v_active);
33
34    return EXIT_SUCCESS;
35}
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