2 * Copyright (c) 1996, 1997
3 * HD Associates, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 HD Associates, Inc
16 * and Jukka Antero Ukkonen.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * $FreeBSD: src/sys/posix4/sched.h,v 1.4 1999/12/29 04:55:02 peter Exp $
36 /* sched.h: POSIX 1003.1b Process Scheduling header */
41 /* Scheduling policies
53 #include <sys/cdefs.h>
54 #include <sys/types.h> /* For pid_t */
56 #include <time.h> /* Per P1003.4 */
59 #include <sys/cpumask.h>
61 #ifndef _CPU_SET_T_DECLARED
62 #define _CPU_SET_T_DECLARED
63 typedef cpumask_t cpu_set_t;
64 typedef cpumask_t cpuset_t; /* FreeBSD compat */
66 #endif /* __BSD_VISIBLE */
69 int sched_setparam(pid_t, const struct sched_param *);
70 int sched_getparam(pid_t, struct sched_param *);
72 int sched_setscheduler(pid_t, int, const struct sched_param *);
73 int sched_getscheduler(pid_t);
75 int sched_yield(void);
76 int sched_get_priority_max(int);
77 int sched_get_priority_min(int);
78 int sched_rr_get_interval(pid_t, struct timespec *);
81 int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
82 int sched_getaffinity(pid_t, size_t, cpu_set_t *);
84 int sched_getcpu(void);
90 #endif /* _SCHED_H_ */