xref: /openbsd/lib/libc/thread/rthread_condattr.c (revision a5511fa9)
1 /*	$OpenBSD: rthread_condattr.c,v 1.3 2017/09/05 02:40:54 guenther Exp $ */
2 /*
3  * Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org>
4  * Copyright (c) 2012 Philip Guenther <guenther@openbsd.org>
5  * All Rights Reserved.
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 /*
20  * Condition Variable Attributes
21  */
22 
23 #include <errno.h>
24 #include <pthread.h>
25 #include <stdlib.h>
26 
27 #include "rthread.h"
28 
29 int
pthread_condattr_init(pthread_condattr_t * attrp)30 pthread_condattr_init(pthread_condattr_t *attrp)
31 {
32 	pthread_condattr_t attr;
33 
34 	attr = calloc(1, sizeof(*attr));
35 	if (!attr)
36 		return (errno);
37 	attr->ca_clock = CLOCK_REALTIME;
38 	*attrp = attr;
39 
40 	return (0);
41 }
42 
43 int
pthread_condattr_destroy(pthread_condattr_t * attrp)44 pthread_condattr_destroy(pthread_condattr_t *attrp)
45 {
46 	free(*attrp);
47 	*attrp = NULL;
48 
49 	return (0);
50 }
51 
52 int
pthread_condattr_getclock(const pthread_condattr_t * attr,clockid_t * clock_id)53 pthread_condattr_getclock(const pthread_condattr_t *attr, clockid_t *clock_id)
54 {
55 	*clock_id = (*attr)->ca_clock;
56 	return (0);
57 }
58 
59 int
pthread_condattr_setclock(pthread_condattr_t * attr,clockid_t clock_id)60 pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
61 {
62 	if (clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC)
63 		return (EINVAL);
64 	(*attr)->ca_clock = clock_id;
65 	return (0);
66 }
67 
68