Erik Andersen | cbb0a4b | 2000-04-04 18:52:02 +0000 | [diff] [blame] | 1 | /* 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 Andersen | 7ab9c7e | 2000-05-12 19:41:47 +0000 | [diff] [blame] | 28 | const char usleep_usage[] = "usleep N\n" |
| 29 | #ifndef BB_FEATURE_TRIVIAL_HELP |
| 30 | "\nPause for N microseconds.\n" |
| 31 | #endif |
| 32 | ; |
Erik Andersen | cbb0a4b | 2000-04-04 18:52:02 +0000 | [diff] [blame] | 33 | |
| 34 | extern 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 | } |