blob: 2e4eb57211d29815e22eb8af7bef10a0024ad57d
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * usleep implementation for busybox |
4 | * |
5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
8 | */ |
9 | |
10 | /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */ |
11 | |
12 | //usage:#define usleep_trivial_usage |
13 | //usage: "N" |
14 | //usage:#define usleep_full_usage "\n\n" |
15 | //usage: "Pause for N microseconds" |
16 | //usage: |
17 | //usage:#define usleep_example_usage |
18 | //usage: "$ usleep 1000000\n" |
19 | //usage: "[pauses for 1 second]\n" |
20 | |
21 | #include "libbb.h" |
22 | |
23 | /* This is a NOFORK applet. Be very careful! */ |
24 | |
25 | int usleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
26 | int usleep_main(int argc UNUSED_PARAM, char **argv) |
27 | { |
28 | if (!argv[1]) { |
29 | bb_show_usage(); |
30 | } |
31 | |
32 | usleep(xatou(argv[1])); |
33 | |
34 | return EXIT_SUCCESS; |
35 | } |
36 |