1 /* vi: set sw=4 ts=4: */
3 * Mini chvt implementation for busybox
5 * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 /* no options, no getopt */
27 #include <sys/types.h>
28 #include <sys/ioctl.h>
31 /* From <linux/vt.h> */
32 static const int VT_ACTIVATE = 0x5606; /* make vt active */
33 static const int VT_WAITACTIVE = 0x5607; /* wait for vt active */
35 int chvt_main(int argc, char **argv)
39 if ((argc != 2) || (**(argv + 1) == '-')) {
43 fd = get_console_fd();
45 if (ioctl(fd, VT_ACTIVATE, num)) {
46 bb_perror_msg_and_die("VT_ACTIVATE");
48 if (ioctl(fd, VT_WAITACTIVE, num)) {
49 bb_perror_msg_and_die("VT_WAITACTIVE");