1 /*
2 * Mach Operating System
3 * Copyright (c) 1993 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: standard.h,v $
29 * Revision 2.2 93/11/17 18:38:33 dbg
30 * Created.
31 * [93/09/03 15:42:52 dbg]
32 *
33 */
34
35 #ifndef _SCHED_POLICY_STANDARD_H_
36 #define _SCHED_POLICY_STANDARD_H_
37
38 /*
39 * Standard Mach scheduling policies:
40 *
41 * fixed priority
42 * timesharing
43 * background
44 */
45
46 #include <kern/sched_policy.h>
47
48 extern struct sched_policy bg_sched_policy,
49 ts_sched_policy,
50 fp_sched_policy;
51
52 /*
53 * Base priority for timesharing policy.
54 */
55 #define TS_BASEPRI_USER 12
56
57 /*
58 * Base priority for fixed-priority policy.
59 */
60 #define FP_BASEPRI_USER 31
61 #define FP_BASEPRI_SYSTEM 12 /* XXX */
62
63 #endif /* _SCHED_POLICY_STANDARD_H_ */
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