mirror of
https://git.busybox.net/busybox.git
synced 2024-11-23 21:53:25 +08:00
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini usleep implementation for busybox
|
|
*
|
|
*
|
|
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include "internal.h"
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
const char usleep_usage[] = "usleep N\n"
|
|
#ifndef BB_FEATURE_TRIVIAL_HELP
|
|
"\nPause for N microseconds.\n"
|
|
#endif
|
|
;
|
|
|
|
extern int usleep_main(int argc, char **argv)
|
|
{
|
|
if ((argc < 2) || (**(argv + 1) == '-')) {
|
|
usage(usleep_usage);
|
|
}
|
|
|
|
usleep(atoi(*(++argv))); /* return void */
|
|
return(TRUE);
|
|
}
|