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git.saurik.com Git - apple/libc.git/blob - gen/FreeBSD/usleep.c
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
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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.
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
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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)
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30 #if defined(VARIANT_CANCELABLE) && __DARWIN_NON_CANCELABLE != 0
31 #error cancellable call vs. __DARWIN_NON_CANCELABLE mismatch
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid
[] = "@(#)usleep.c 8.1 (Berkeley) 6/4/93";
36 #endif /* LIBC_SCCS and not lint */
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD: src/lib/libc/gen/usleep.c,v 1.31 2009/12/05 19:31:38 ed Exp $");
40 #include "namespace.h"
43 #include "un-namespace.h"
46 usleep(useconds_t useconds
)
48 struct timespec time_to_sleep
;
50 time_to_sleep
.tv_nsec
= (useconds
% 1000000) * 1000;
51 time_to_sleep
.tv_sec
= useconds
/ 1000000;
52 return (_nanosleep(&time_to_sleep
, NULL
));