1/*
2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Daniel Eischen.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: releng/10.3/lib/libkse/thread/thr_attr_setschedparam.c 174689 2007-12-16 23:29:57Z deischen $
33 */
34
35#include "namespace.h"
36#include <errno.h>
37#include <pthread.h>
38#include "un-namespace.h"
39#include "thr_private.h"
40
41__weak_reference(_pthread_attr_setschedparam, pthread_attr_setschedparam);
42
43int
44_pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param)
45{
46	int ret = 0;
47
48	if ((attr == NULL) || (*attr == NULL))
49		ret = EINVAL;
50	else if (param == NULL) {
51		ret = ENOTSUP;
52	} else if ((param->sched_priority < THR_MIN_PRIORITY) ||
53	    (param->sched_priority > THR_MAX_PRIORITY)) {
54		/* Return an unsupported value error. */
55		ret = ENOTSUP;
56	} else
57		(*attr)->prio = param->sched_priority;
58
59	return(ret);
60}
61