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setlogcons, from Jan Kaszka.

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This commit is contained in:
Rob Landley 2006-03-27 23:23:43 +00:00
parent 28ff9668d9
commit 87848d91c7
5 changed files with 47 additions and 0 deletions
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6
console-tools/Config.in
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@ -72,4 +72,10 @@ config CONFIG_SETKEYCODES
This program loads entries into the kernel's scancode-to-keycode
map, allowing unusual keyboards to generate usable keycodes.
config CONFIG_SETLOGCONS
bool "setlogcons"
default n
help
This program redirects the output console of kernel messages.
endmenu

1
console-tools/Makefile.in
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@ -21,6 +21,7 @@ CONSOLETOOLS-$(CONFIG_LOADKMAP) += loadkmap.o
CONSOLETOOLS-$(CONFIG_OPENVT) += openvt.o
CONSOLETOOLS-$(CONFIG_RESET) += reset.o
CONSOLETOOLS-$(CONFIG_SETKEYCODES) += setkeycodes.o
CONSOLETOOLS-$(CONFIG_SETLOGCONS) += setlogcons.o
ifneq ($(strip $(CONSOLETOOLS-y)),)
libraries-y+=$(CONSOLETOOLS_DIR)$(CONSOLETOOLS_AR)

34
console-tools/setlogcons.c Normal file
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@ -0,0 +1,34 @@
/*
* setlogcons: Send kernel messages to the current console or to console N
*
* Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
*
* Based on setlogcons (kbd-1.12) by Andries E. Brouwer
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "busybox.h"
extern int setlogcons_main(int argc, char **argv)
{
struct {
char fn;
char subarg;
} arg;
arg.fn = 11; /* redirect kernel messages */
arg.subarg = 0; /* to specified console (current as default) */
if (argc == 2)
arg.subarg = atoi(argv[1]);
if (ioctl(bb_xopen("/dev/tty1", O_RDONLY), TIOCLINUX, &arg))
bb_perror_msg_and_die("TIOCLINUX");;
return 0;
}

1
include/applets.h
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@ -235,6 +235,7 @@ USE_SEQ(APPLET(seq, seq_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_SETARCH(APPLET(setarch, setarch_main, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_SETCONSOLE(APPLET(setconsole, setconsole_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_SETKEYCODES(APPLET(setkeycodes, setkeycodes_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_SETLOGCONS(APPLET(setlogcons, setlogcons_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_SETSID(APPLET(setsid, setsid_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_FEATURE_SH_IS_ASH(APPLET_NOUSAGE(sh, ash_main, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FEATURE_SH_IS_HUSH(APPLET_NOUSAGE(sh, hush_main, _BB_DIR_BIN, _BB_SUID_NEVER))

5
include/usage.h
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@ -2648,6 +2648,11 @@
#define setkeycodes_example_usage \
"$ setkeycodes e030 127\n"
#define setlogcons_trivial_usage \
"N"
#define setlogcons_full_usage \
"Redirects the kernel output to console N (0 for current)."
#define setsid_trivial_usage \
"program [arg ...]"
#define setsid_full_usage \