xref: /openbsd/lib/librthread/sched_prio.c (revision 73471bf0)
1 /*	$OpenBSD: sched_prio.c,v 1.1 2011/11/06 12:15:51 guenther Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 Federico G. Schwindt <fgsch@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for
7  * any purpose with or without fee is hereby granted, provided that
8  * the above copyright notice and this permission notice appear in all
9  * copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
12  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
13  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
14  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
15  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
16  * OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
17  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
18  * PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #include <pthread.h>
22 #include <errno.h>
23 #include "rthread.h"
24 
25 int
26 sched_get_priority_max(int policy)
27 {
28 	if (policy < SCHED_FIFO || policy > SCHED_RR) {
29 		errno = EINVAL;
30 		return (-1);
31 	}
32 	return (PTHREAD_MAX_PRIORITY);
33 }
34 
35 int
36 sched_get_priority_min(int policy)
37 {
38 	if (policy < SCHED_FIFO || policy > SCHED_RR) {
39 		errno = EINVAL;
40 		return (-1);
41 	}
42 	return (PTHREAD_MIN_PRIORITY);
43 }
44 
45