diff options
Diffstat (limited to 'console-tools')
| -rw-r--r-- | console-tools/Config.in | 6 | ||||
| -rw-r--r-- | console-tools/Kbuild | 1 | ||||
| -rw-r--r-- | console-tools/fgconsole.c | 30 |
3 files changed, 37 insertions, 0 deletions
diff --git a/console-tools/Config.in b/console-tools/Config.in index 195685b97..a7e995936 100644 --- a/console-tools/Config.in +++ b/console-tools/Config.in @@ -12,6 +12,12 @@ config CHVT This program is used to change to another terminal. Example: chvt 4 (change to terminal /dev/tty4) +config FGCONSOLE + bool "fgconsole" + default n + help + This program prints active (foreground) console number. + config CLEAR bool "clear" default n diff --git a/console-tools/Kbuild b/console-tools/Kbuild index df5ffdb96..ad8b8ce77 100644 --- a/console-tools/Kbuild +++ b/console-tools/Kbuild @@ -6,6 +6,7 @@ lib-y:= lib-$(CONFIG_CHVT) += chvt.o +lib-$(CONFIG_FGCONSOLE) += fgconsole.o lib-$(CONFIG_CLEAR) += clear.o lib-$(CONFIG_DEALLOCVT) += deallocvt.o lib-$(CONFIG_DUMPKMAP) += dumpkmap.o diff --git a/console-tools/fgconsole.c b/console-tools/fgconsole.c new file mode 100644 index 000000000..75fd98fd5 --- /dev/null +++ b/console-tools/fgconsole.c @@ -0,0 +1,30 @@ +/* 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; +} |