Annotation of /trunk/mkinitrd-magellan/busybox/console-tools/deallocvt.c
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Revision 532 -
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 797 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Disallocate virtual terminal(s) | ||
4 | * | ||
5 | * Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it> | ||
6 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
7 | * | ||
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
9 | */ | ||
10 | |||
11 | /* no options, no getopt */ | ||
12 | |||
13 | #include "busybox.h" | ||
14 | |||
15 | /* From <linux/vt.h> */ | ||
16 | enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */ | ||
17 | |||
18 | int deallocvt_main(int argc, char *argv[]) | ||
19 | { | ||
20 | /* num = 0 deallocate all unused consoles */ | ||
21 | int num = 0; | ||
22 | |||
23 | switch (argc) { | ||
24 | case 2: | ||
25 | num = xatoul_range(argv[1], 1, 63); | ||
26 | /* Fallthrough */ | ||
27 | case 1: | ||
28 | break; | ||
29 | default: | ||
30 | bb_show_usage(); | ||
31 | } | ||
32 | |||
33 | if (-1 == ioctl(get_console_fd(), VT_DISALLOCATE, num)) { | ||
34 | bb_perror_msg_and_die("VT_DISALLOCATE"); | ||
35 | } | ||
36 | return EXIT_SUCCESS; | ||
37 | } |