busybox/console-tools/fgconsole.c

/* vi: set sw=4 ts=4: */
/*
 * Mini fgconsole implementation for busybox
 *
 * Copyright (C) 2010 by Grigory Batalov <bga@altlinux.org>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include "libbb.h"

/* From <linux/vt.h> */
struct vt_stat {
	unsigned short v_active;        /* active vt */
	unsigned short v_signal;        /* signal to send */
	unsigned short v_state;         /* vt bitmask */
};
enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */

int fgconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fgconsole_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
	struct vt_stat vtstat;

	vtstat.v_active = 0;
	xioctl(get_console_fd_or_die(), VT_GETSTATE, &vtstat);
	printf("%d\n", vtstat.v_active);

	return EXIT_SUCCESS;
}
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 tarball for details.
8	*/
9
10	#include "libbb.h"
11
12	/* From <linux/vt.h> */
13	struct vt_stat {
14	unsigned short v_active; /* active vt */
15	unsigned short v_signal; /* signal to send */
16	unsigned short v_state; /* vt bitmask */
17	};
18	enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */
19
20	int fgconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
21	int fgconsole_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
22	{
23	struct vt_stat vtstat;
24
25	vtstat.v_active = 0;
26	xioctl(get_console_fd_or_die(), VT_GETSTATE, &vtstat);
27	printf("%d\n", vtstat.v_active);
28
29	return EXIT_SUCCESS;
30	}