Change sendfile() to use the new m_ext callback scheme for cleaning up after
[dragonfly.git] / sys / sys / sched.h
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1#ifndef _SCHED_H_
2#define _SCHED_H_
3
4/* sched.h: POSIX 1003.1b Process Scheduling header */
5
6/*-
7 * Copyright (c) 1996, 1997
8 * HD Associates, Inc. All rights reserved.
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by HD Associates, Inc
21 * and Jukka Antero Ukkonen.
22 * 4. Neither the name of the author nor the names of any co-contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $FreeBSD: src/sys/posix4/sched.h,v 1.4 1999/12/29 04:55:02 peter Exp $
b1efe3b4 39 * $DragonFly: src/sys/sys/sched.h,v 1.3 2003/08/27 06:30:04 rob Exp $
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40 */
41
42#include <sys/types.h> /* For pid_t */
43
44#ifndef _KERNEL
45#include <time.h> /* Per P1003.4 */
46#endif
47
48/* Scheduling policies
49 */
50#define SCHED_FIFO 1
51#define SCHED_OTHER 2
52#define SCHED_RR 3
53
54struct sched_param
55{
56 int sched_priority;
57};
58
59#ifndef _KERNEL
60#include <sys/cdefs.h>
61
62__BEGIN_DECLS
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63int sched_setparam (pid_t, const struct sched_param *);
64int sched_getparam (pid_t, struct sched_param *);
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66int sched_setscheduler (pid_t, int, const struct sched_param *);
67int sched_getscheduler (pid_t);
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69int sched_yield (void);
70int sched_get_priority_max (int);
71int sched_get_priority_min (int);
72int sched_rr_get_interval (pid_t, struct timespec *);
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73__END_DECLS
74
75#endif
76
77#endif /* _SCHED_H_ */