FreeBSD/Linux Kernel Cross Reference
sys/sys/rtprio.h
1 /*
2 * Copyright (c) 1994, Henrik Vestergaard Draboel
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 (name).
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: src/sys/sys/rtprio.h,v 1.2.12.1 1999/09/05 08:22:50 peter Exp $
32 */
33
34 #ifndef _SYS_RTPRIO_H_
35 #define _SYS_RTPRIO_H_
36
37 /*
38 * Process realtime-priority specifications to rtprio.
39 */
40
41 /* priority types */
42 #define RTP_PRIO_REALTIME 0
43 #define RTP_PRIO_NORMAL 1
44 #define RTP_PRIO_IDLE 2
45
46 /* priority range */
47 #define RTP_PRIO_MIN 0 /* Highest priority */
48 #define RTP_PRIO_MAX 31 /* Lowest priority */
49
50 /*
51 * rtprio() syscall functions
52 */
53 #define RTP_LOOKUP 0
54 #define RTP_SET 1
55
56 #ifndef LOCORE
57 struct rtprio {
58 u_short type;
59 u_short prio;
60 };
61 #endif
62
63 #ifndef KERNEL
64 #include <sys/cdefs.h>
65
66 __BEGIN_DECLS
67 int rtprio __P((int, pid_t, struct rtprio *));
68 __END_DECLS
69 #endif /* !KERNEL */
70 #endif /* !_SYS_RTPRIO_H_ */
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