FreeBSD/Linux Kernel Cross Reference
sys/mach/policy.h
1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 * $Log: policy.h,v $
29 * Revision 2.5 93/01/14 17:46:25 danner
30 * Cleanup.
31 * [92/06/10 pds]
32 *
33 * Revision 2.4 91/05/14 16:58:29 mrt
34 * Correcting copyright
35 *
36 * Revision 2.3 91/02/05 17:35:22 mrt
37 * Changed to new Mach copyright
38 * [91/02/01 17:20:11 mrt]
39 *
40 * Revision 2.2 90/06/02 14:59:37 rpd
41 * Created for new host/processor technology.
42 * [90/03/26 23:51:22 rpd]
43 *
44 * Cleanup changes.
45 * [89/08/02 dlb]
46 * Created.
47 * [89/07/25 18:47:00 dlb]
48 *
49 * Revision 2.3 89/10/15 02:05:50 rpd
50 * Minor cleanups.
51 *
52 * Revision 2.2 89/10/11 14:40:53 dlb
53 * Cleanup changes.
54 * [89/08/02 dlb]
55 *
56 */
57
58 #ifndef _MACH_POLICY_H_
59 #define _MACH_POLICY_H_
60
61 /*
62 * mach/policy.h
63 *
64 * Definitions for scheduing policy.
65 */
66
67 /*
68 * Policy definitions. Policies must be powers of 2.
69 */
70 #define POLICY_TIMESHARE 1
71 #define POLICY_FIXEDPRI 2
72 #define POLICY_LAST 2
73
74 #define invalid_policy(policy) (((policy) <= 0) || ((policy) > POLICY_LAST))
75
76 #endif /* _MACH_POLICY_H_ */
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