busybox/coreutils/usleep.c
Denys Vlasenko acff3733ba usleep: do not check for usleep error, it should never fail
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-07-08 08:37:57 +02:00

36 lines
810 B
C

/* vi: set sw=4 ts=4: */
/*
* usleep implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
//usage:#define usleep_trivial_usage
//usage: "N"
//usage:#define usleep_full_usage "\n\n"
//usage: "Pause for N microseconds"
//usage:
//usage:#define usleep_example_usage
//usage: "$ usleep 1000000\n"
//usage: "[pauses for 1 second]\n"
#include "libbb.h"
/* This is a NOFORK applet. Be very careful! */
int usleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int usleep_main(int argc UNUSED_PARAM, char **argv)
{
if (!argv[1]) {
bb_show_usage();
}
usleep(xatou(argv[1]));
return EXIT_SUCCESS;
}