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1.1 root 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 [email protected]
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: #ifndef _MACH_POLICY_H_
28: #define _MACH_POLICY_H_
29:
30: /*
31: * mach/policy.h
32: *
33: * Definitions for scheduing policy.
34: */
35:
36: /*
37: * Policy definitions. Policies must be powers of 2.
38: */
39: #define POLICY_TIMESHARE 1
40: #define POLICY_FIXEDPRI 2
41: #define POLICY_LAST 2
42:
43: #define invalid_policy(policy) (((policy) <= 0) || ((policy) > POLICY_LAST))
44:
45: #endif /* _MACH_POLICY_H_ */
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