2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 * @(#)usleep.c 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: src/lib/libc/gen/usleep.c,v 1.25 2000/01/27 23:06:22 jasone Exp $
33 #include "namespace.h"
36 #include "un-namespace.h"
39 __usleep(unsigned int useconds
)
41 struct timespec time_to_sleep
;
43 time_to_sleep
.tv_nsec
= (useconds
% 1000000) * 1000;
44 time_to_sleep
.tv_sec
= useconds
/ 1000000;
45 return (_nanosleep(&time_to_sleep
, NULL
));
48 __weak_reference(__usleep
, usleep
);
49 __weak_reference(__usleep
, _usleep
);