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authorRob Landley <rob@landley.net>2006-03-27 23:23:43 +0000
committerRob Landley <rob@landley.net>2006-03-27 23:23:43 +0000
commit87848d91c7b3dba9379237ba0bad31239f16e07a (patch)
tree365577855e659e5c9e254cc93eb9073a43a518e9 /console-tools
parent28ff9668d93978c6bd7de72419bbd55bb1a092f5 (diff)
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setlogcons, from Jan Kaszka.
Diffstat (limited to 'console-tools')
-rw-r--r--console-tools/Config.in6
-rw-r--r--console-tools/Makefile.in1
-rw-r--r--console-tools/setlogcons.c34
3 files changed, 41 insertions, 0 deletions
diff --git a/console-tools/Config.in b/console-tools/Config.in
index bcc7c9b8d..34e83e194 100644
--- a/console-tools/Config.in
+++ b/console-tools/Config.in
@@ -72,4 +72,10 @@ config CONFIG_SETKEYCODES
72 This program loads entries into the kernel's scancode-to-keycode 72 This program loads entries into the kernel's scancode-to-keycode
73 map, allowing unusual keyboards to generate usable keycodes. 73 map, allowing unusual keyboards to generate usable keycodes.
74 74
75config CONFIG_SETLOGCONS
76 bool "setlogcons"
77 default n
78 help
79 This program redirects the output console of kernel messages.
80
75endmenu 81endmenu
diff --git a/console-tools/Makefile.in b/console-tools/Makefile.in
index f14e338e1..437bcd0ec 100644
--- a/console-tools/Makefile.in
+++ b/console-tools/Makefile.in
@@ -21,6 +21,7 @@ CONSOLETOOLS-$(CONFIG_LOADKMAP) += loadkmap.o
21CONSOLETOOLS-$(CONFIG_OPENVT) += openvt.o 21CONSOLETOOLS-$(CONFIG_OPENVT) += openvt.o
22CONSOLETOOLS-$(CONFIG_RESET) += reset.o 22CONSOLETOOLS-$(CONFIG_RESET) += reset.o
23CONSOLETOOLS-$(CONFIG_SETKEYCODES) += setkeycodes.o 23CONSOLETOOLS-$(CONFIG_SETKEYCODES) += setkeycodes.o
24CONSOLETOOLS-$(CONFIG_SETLOGCONS) += setlogcons.o
24 25
25ifneq ($(strip $(CONSOLETOOLS-y)),) 26ifneq ($(strip $(CONSOLETOOLS-y)),)
26libraries-y+=$(CONSOLETOOLS_DIR)$(CONSOLETOOLS_AR) 27libraries-y+=$(CONSOLETOOLS_DIR)$(CONSOLETOOLS_AR)
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
new file mode 100644
index 000000000..1f0ac524e
--- /dev/null
+++ b/console-tools/setlogcons.c
@@ -0,0 +1,34 @@
1/*
2 * setlogcons: Send kernel messages to the current console or to console N
3 *
4 * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
5 *
6 * Based on setlogcons (kbd-1.12) by Andries E. Brouwer
7 *
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9 */
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <fcntl.h>
14#include <sys/ioctl.h>
15#include "busybox.h"
16
17extern int setlogcons_main(int argc, char **argv)
18{
19 struct {
20 char fn;
21 char subarg;
22 } arg;
23
24 arg.fn = 11; /* redirect kernel messages */
25 arg.subarg = 0; /* to specified console (current as default) */
26
27 if (argc == 2)
28 arg.subarg = atoi(argv[1]);
29
30 if (ioctl(bb_xopen("/dev/tty1", O_RDONLY), TIOCLINUX, &arg))
31 bb_perror_msg_and_die("TIOCLINUX");;
32
33 return 0;
34}