1/* $NetBSD: sched.h,v 1.12 2009/01/11 03:04:12 christos Exp $ */
2
3/*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nathan J. Williams.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _SCHED_H_
33#define _SCHED_H_
34
35#include <sys/cdefs.h>
36#include <sys/featuretest.h>
37#include <sys/sched.h>
38
39/* Required by POSIX 1003.1, section 13.1, lines 12-13. */
40#include <time.h>
41
42__BEGIN_DECLS
43int sched_setparam(pid_t, const struct sched_param *);
44int sched_getparam(pid_t, struct sched_param *);
45int sched_setscheduler(pid_t, int, const struct sched_param *);
46int sched_getscheduler(pid_t);
47int sched_get_priority_max(int);
48int sched_get_priority_min(int);
49#ifndef __LIBC12_SOURCE__
50int sched_rr_get_interval(pid_t, struct timespec *)
51 __RENAME(__sched_rr_get_interval50);
52#endif
53
54int sched_yield(void);
55int __libc_thr_yield(void);
56__END_DECLS
57
58#ifndef __LIBPTHREAD_SOURCE__
59#define sched_yield __libc_thr_yield
60#endif /* __LIBPTHREAD_SOURCE__ */
61
62#if defined(_NETBSD_SOURCE)
63
64__BEGIN_DECLS
65
66/* Process affinity functions (not portable) */
67int sched_getaffinity_np(pid_t, size_t, cpuset_t *);
68int sched_setaffinity_np(pid_t, size_t, cpuset_t *);
69
70/* Historical functions, not defined in standard */
71pid_t clone(int (*)(void *), void *, int, void *);
72pid_t __clone(int (*)(void *), void *, int, void *);
73
74__END_DECLS
75
76#endif /* _NETBSD_SOURCE */
77
78#endif /* _SCHED_H_ */
79