diff options
Diffstat (limited to 'console-tools/fgconsole.c')
-rw-r--r-- | console-tools/fgconsole.c | 30 |
1 files changed, 30 insertions, 0 deletions
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 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini fgconsole implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 2010 by Grigory Batalov <bga@altlinux.org> | ||
6 | * | ||
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
8 | */ | ||
9 | |||
10 | #include "libbb.h" | ||
11 | |||
12 | /* From <linux/vt.h> */ | ||
13 | struct vt_stat { | ||
14 | unsigned short v_active; /* active vt */ | ||
15 | unsigned short v_signal; /* signal to send */ | ||
16 | unsigned short v_state; /* vt bitmask */ | ||
17 | }; | ||
18 | enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */ | ||
19 | |||
20 | int fgconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | ||
21 | int fgconsole_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) | ||
22 | { | ||
23 | struct vt_stat vtstat; | ||
24 | |||
25 | vtstat.v_active = 0; | ||
26 | xioctl(get_console_fd_or_die(), VT_GETSTATE, &vtstat); | ||
27 | printf("%d\n", vtstat.v_active); | ||
28 | |||
29 | return EXIT_SUCCESS; | ||
30 | } | ||