1 /* vi: set sw=4 ts=4: */
3 * setlogcons: Send kernel messages to the current console or to console N
5 * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
7 * Based on setlogcons (kbd-1.12) by Andries E. Brouwer
9 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
11 //config:config SETLOGCONS
12 //config: bool "setlogcons (1.8 kb)"
14 //config: select PLATFORM_LINUX
16 //config: This program redirects the output console of kernel messages.
18 //applet:IF_SETLOGCONS(APPLET(setlogcons, BB_DIR_USR_SBIN, BB_SUID_DROP))
20 //kbuild:lib-$(CONFIG_SETLOGCONS) += setlogcons.o
22 //usage:#define setlogcons_trivial_usage
24 //usage:#define setlogcons_full_usage "\n\n"
25 //usage: "Redirect the kernel output to console N. Default:0 (current console)"
29 int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
30 int setlogcons_main(int argc UNUSED_PARAM, char **argv)
36 11, /* redirect kernel messages */
37 0 /* to specified console (current as default) */
41 arg.subarg = xatou_range(argv[1], 0, 63);
43 xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);