Contents of /trunk/mkinitrd-magellan/busybox/console-tools/deallocvt.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 797 byte(s)
Sat Sep 1 22:45:15 2007 UTC (17 years 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 | /* 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 | } |