xref: /freebsd/lib/libc/sys/clock_nanosleep.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*
2  * Copyright (c) 2017 Eric van Gyzen
3  * Copyright (c) 2014 The FreeBSD Foundation.
4  *
5  * Portions of this software were developed by Konstantin Belousov
6  * under sponsorship from the FreeBSD Foundation.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice(s), this list of conditions and the following disclaimer as
13  *    the first lines of this file unmodified other than the possible
14  *    addition of one or more copyright notices.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice(s), this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
29  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/types.h>
34 #include <time.h>
35 #include "libc_private.h"
36 
37 __weak_reference(__sys_clock_nanosleep, __clock_nanosleep);
38 
39 #pragma weak clock_nanosleep
40 int
41 clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *rqtp,
42     struct timespec *rmtp)
43 {
44 	return (((int (*)(clockid_t, int, const struct timespec *,
45 	    struct timespec *))
46 	    *(__libc_interposing_slot(INTERPOS_clock_nanosleep)))
47 	    (clock_id, flags, rqtp, rmtp));
48 }
49