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Root/tags/2.0/i386/include/mach/policy.h

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*␊
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. The rights granted to you under the License␊
10 * may not be used to create, or enable the creation or redistribution of,␊
11 * unlawful or unlicensed copies of an Apple operating system, or to␊
12 * circumvent, violate, or enable the circumvention or violation of, any␊
13 * terms of an Apple operating system software license agreement.␊
14 * ␊
15 * Please obtain a copy of the License at␊
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.␊
17 * ␊
18 * The Original Code and all software distributed under the License are␊
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
23 * Please see the License for the specific language governing rights and␊
24 * limitations under the License.␊
25 * ␊
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊
27 */␊
28/*␊
29 * @OSF_COPYRIGHT@␊
30 */␊
31/* ␊
32 * Mach Operating System␊
33 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University␊
34 * All Rights Reserved.␊
35 * ␊
36 * Permission to use, copy, modify and distribute this software and its␊
37 * documentation is hereby granted, provided that both the copyright␊
38 * notice and this permission notice appear in all copies of the␊
39 * software, derivative works or modified versions, and any portions␊
40 * thereof, and that both notices appear in supporting documentation.␊
41 * ␊
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"␊
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR␊
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.␊
45 * ␊
46 * Carnegie Mellon requests users of this software to return to␊
47 * ␊
48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU␊
49 * School of Computer Science␊
50 * Carnegie Mellon University␊
51 * Pittsburgh PA 15213-3890␊
52 * ␊
53 * any improvements or extensions that they make and grant Carnegie Mellon␊
54 * the rights to redistribute these changes.␊
55 */␊
56/*␊
57 */␊
58␊
59#ifndef␉_MACH_POLICY_H_␊
60#define _MACH_POLICY_H_␊
61␊
62/*␊
63 *␉mach/policy.h␊
64 *␊
65 *␉Definitions for scheduing policy.␊
66 */␊
67␊
68/*␊
69 * All interfaces defined here are obsolete.␊
70 */␊
71␊
72#include <mach/boolean.h>␊
73#include <mach/message.h>␊
74#include <mach/vm_types.h>␊
75␊
76/*␊
77 *␉Old scheduling control interface␊
78 */␊
79typedef int ␉␉␉␉policy_t;␊
80typedef integer_t␉␉␉*policy_info_t;␊
81typedef integer_t␉␉␉*policy_base_t;␊
82typedef integer_t␉␉␉*policy_limit_t;␊
83␊
84/*␊
85 *␉Policy definitions. Policies should be powers of 2,␊
86 *␉but cannot be or'd together other than to test for a␊
87 *␉policy 'class'.␊
88 */␊
89#define␉POLICY_NULL␉␉0␉/* none␉␉␉*/␊
90#define␉POLICY_TIMESHARE␉1␉/* timesharing␉␉*/␊
91#define␉POLICY_RR␉␉2␉/* fixed round robin␉*/␊
92#define POLICY_FIFO␉␉4␉/* fixed fifo␉␉*/␊
93␊
94#define __NEW_SCHEDULING_FRAMEWORK__␊
95␊
96/*␊
97 *␉Check if policy is of 'class' fixed-priority.␊
98 */␊
99#define␉POLICYCLASS_FIXEDPRI␉(POLICY_RR | POLICY_FIFO)␊
100␊
101/*␊
102 *␉Check if policy is valid.␊
103 */␊
104#define invalid_policy(policy)␉␉␉\␊
105␉((policy) != POLICY_TIMESHARE &&␉\␊
106␉ (policy) != POLICY_RR &&␉␉\␊
107␉ (policy) != POLICY_FIFO)␊
108␊
109␊
110/*␊
111 * ␉Types for TIMESHARE policy␊
112 */␊
113struct policy_timeshare_base {␉␉␉␊
114␉integer_t␉␉base_priority;␊
115};␊
116struct policy_timeshare_limit {␊
117␉integer_t␉␉max_priority;␊
118};␊
119struct policy_timeshare_info {␊
120␉integer_t␉␉max_priority;␊
121␉integer_t␉␉base_priority;␊
122␉integer_t␉␉cur_priority;␊
123␉boolean_t␉␉depressed;␊
124␉integer_t␉␉depress_priority;␊
125};␊
126␊
127typedef struct policy_timeshare_base␉*policy_timeshare_base_t; ␊
128typedef struct policy_timeshare_limit␉*policy_timeshare_limit_t;␊
129typedef struct policy_timeshare_info␉*policy_timeshare_info_t;␊
130␊
131typedef struct policy_timeshare_base␉policy_timeshare_base_data_t; ␊
132typedef struct policy_timeshare_limit␉policy_timeshare_limit_data_t;␊
133typedef struct policy_timeshare_info␉policy_timeshare_info_data_t;␊
134␊
135␊
136#define POLICY_TIMESHARE_BASE_COUNT␉((mach_msg_type_number_t) \␊
137␉(sizeof(struct policy_timeshare_base)/sizeof(integer_t)))␊
138#define POLICY_TIMESHARE_LIMIT_COUNT␉((mach_msg_type_number_t) \␊
139␉(sizeof(struct policy_timeshare_limit)/sizeof(integer_t)))␊
140#define POLICY_TIMESHARE_INFO_COUNT␉((mach_msg_type_number_t) \␊
141␉(sizeof(struct policy_timeshare_info)/sizeof(integer_t)))␊
142␊
143␊
144/*␊
145 *␉Types for the ROUND ROBIN (RR) policy␊
146 */␊
147struct policy_rr_base {␉␉␉␉␊
148␉integer_t␉␉base_priority;␊
149␉integer_t␉␉quantum;␊
150};␊
151struct policy_rr_limit {␊
152␉integer_t␉␉max_priority;␊
153};␊
154struct policy_rr_info {␊
155␉integer_t␉␉max_priority;␊
156␉integer_t␉␉base_priority;␊
157␉integer_t␉␉quantum;␊
158␉boolean_t␉␉depressed;␊
159␉integer_t␉␉depress_priority;␊
160};␊
161␊
162typedef struct policy_rr_base␉␉*policy_rr_base_t;␊
163typedef struct policy_rr_limit␉␉*policy_rr_limit_t;␊
164typedef struct policy_rr_info␉␉*policy_rr_info_t;␊
165␊
166typedef struct policy_rr_base␉␉policy_rr_base_data_t;␊
167typedef struct policy_rr_limit␉␉policy_rr_limit_data_t;␊
168typedef struct policy_rr_info␉␉policy_rr_info_data_t;␊
169␊
170#define POLICY_RR_BASE_COUNT␉((mach_msg_type_number_t)␉\␊
171␉(sizeof(struct policy_rr_base)/sizeof(integer_t)))␊
172#define POLICY_RR_LIMIT_COUNT␉((mach_msg_type_number_t)␉\␊
173␉(sizeof(struct policy_rr_limit)/sizeof(integer_t)))␊
174#define POLICY_RR_INFO_COUNT␉((mach_msg_type_number_t)␉\␊
175␉(sizeof(struct policy_rr_info)/sizeof(integer_t)))␊
176␊
177␊
178/*␊
179 * ␉Types for the FIRST-IN-FIRST-OUT (FIFO) policy␊
180 */␊
181struct policy_fifo_base {␉␉␊
182␉integer_t␉␉base_priority;␊
183};␊
184struct policy_fifo_limit {␊
185␉integer_t␉␉max_priority;␊
186};␊
187struct policy_fifo_info {␊
188␉integer_t␉␉max_priority;␊
189␉integer_t␉␉base_priority;␊
190␉boolean_t␉␉depressed;␊
191␉integer_t␉␉depress_priority;␊
192};␊
193␊
194typedef struct policy_fifo_base␉␉*policy_fifo_base_t;␊
195typedef struct policy_fifo_limit␉*policy_fifo_limit_t;␊
196typedef struct policy_fifo_info␉␉*policy_fifo_info_t;␊
197␊
198typedef struct policy_fifo_base␉␉policy_fifo_base_data_t;␊
199typedef struct policy_fifo_limit␉policy_fifo_limit_data_t;␊
200typedef struct policy_fifo_info␉␉policy_fifo_info_data_t;␊
201␊
202#define POLICY_FIFO_BASE_COUNT␉((mach_msg_type_number_t)␉\␊
203␉(sizeof(struct policy_fifo_base)/sizeof(integer_t)))␊
204#define POLICY_FIFO_LIMIT_COUNT␉((mach_msg_type_number_t)␉\␊
205␉(sizeof(struct policy_fifo_limit)/sizeof(integer_t)))␊
206#define POLICY_FIFO_INFO_COUNT␉((mach_msg_type_number_t)␉\␊
207␉(sizeof(struct policy_fifo_info)/sizeof(integer_t)))␊
208␊
209/*␊
210 * ␉Aggregate policy types␊
211 */␊
212␊
213struct policy_bases {␊
214␉policy_timeshare_base_data_t␉ts;␊
215␉policy_rr_base_data_t␉␉rr;␊
216␉policy_fifo_base_data_t␉␉fifo;␊
217};␊
218␊
219struct policy_limits {␊
220␉policy_timeshare_limit_data_t␉ts;␊
221␉policy_rr_limit_data_t␉␉rr;␊
222␉policy_fifo_limit_data_t␉fifo;␊
223};␊
224␊
225struct policy_infos {␊
226␉policy_timeshare_info_data_t␉ts;␊
227␉policy_rr_info_data_t␉␉rr;␊
228␉policy_fifo_info_data_t␉␉fifo;␊
229};␊
230␊
231typedef struct policy_bases␉␉policy_base_data_t;␊
232typedef struct policy_limits␉␉policy_limit_data_t;␊
233typedef struct policy_infos␉␉policy_info_data_t;␊
234␊
235#endif␉/* _MACH_POLICY_H_ */␊
236

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