blob: 34008a638aab4fe683a209c1910a3c4a4697d268 [file] [log] [blame]
Erik Andersencbb0a4b2000-04-04 18:52:02 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Mini usleep implementation for busybox
4 *
5 *
6 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#include "internal.h"
25#include <stdlib.h>
26#include <unistd.h>
27
Erik Andersen7ab9c7e2000-05-12 19:41:47 +000028const char usleep_usage[] = "usleep N\n"
29#ifndef BB_FEATURE_TRIVIAL_HELP
30 "\nPause for N microseconds.\n"
31#endif
32 ;
Erik Andersencbb0a4b2000-04-04 18:52:02 +000033
34extern int usleep_main(int argc, char **argv)
35{
36 if ((argc < 2) || (**(argv + 1) == '-')) {
37 usage(usleep_usage);
38 }
39
40 usleep(atoi(*(++argv))); /* return void */
41 exit(TRUE);
42}