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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Mach Operating System
27: * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
28: * All Rights Reserved.
29: *
30: * Permission to use, copy, modify and distribute this software and its
31: * documentation is hereby granted, provided that both the copyright
32: * notice and this permission notice appear in all copies of the
33: * software, derivative works or modified versions, and any portions
34: * thereof, and that both notices appear in supporting documentation.
35: *
36: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
37: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
38: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
39: *
40: * Carnegie Mellon requests users of this software to return to
41: *
42: * Software Distribution Coordinator or [email protected]
43: * School of Computer Science
44: * Carnegie Mellon University
45: * Pittsburgh PA 15213-3890
46: *
47: * any improvements or extensions that they make and grant Carnegie Mellon
48: * the rights to redistribute these changes.
49: */
50: /*
51: * File: mach/thread_info
52: *
53: * Thread information structure and definitions.
54: *
55: * The defintions in this file are exported to the user. The kernel
56: * will translate its internal data structures to these structures
57: * as appropriate.
58: *
59: */
60:
61: #ifndef _MACH_THREAD_INFO_H_
62: #define _MACH_THREAD_INFO_H_
63:
64: #import <mach/machine/vm_types.h>
65: #import <mach/boolean.h>
66: #import <mach/policy.h>
67: #import <mach/time_value.h>
68:
69: /*
70: * Generic information structure to allow for expansion.
71: */
72: typedef integer_t *thread_info_t; /* varying array of ints */
73:
74: #define THREAD_INFO_MAX (1024) /* maximum array size */
75: typedef integer_t thread_info_data_t[THREAD_INFO_MAX];
76:
77: /*
78: * Currently defined information.
79: */
80: #define THREAD_BASIC_INFO 1 /* basic information */
81:
82: struct thread_basic_info {
83: time_value_t user_time; /* user run time */
84: time_value_t system_time; /* system run time */
85: integer_t cpu_usage; /* scaled cpu usage percentage */
86: integer_t base_priority; /* base scheduling priority */
87: integer_t cur_priority; /* current scheduling priority */
88: integer_t run_state; /* run state (see below) */
89: integer_t flags; /* various flags (see below) */
90: integer_t suspend_count; /* suspend count for thread */
91: integer_t sleep_time; /* number of seconds that thread
92: has been sleeping */
93: };
94:
95: typedef struct thread_basic_info thread_basic_info_data_t;
96: typedef struct thread_basic_info *thread_basic_info_t;
97: #define THREAD_BASIC_INFO_COUNT \
98: (sizeof(thread_basic_info_data_t) / sizeof(natural_t))
99:
100: /*
101: * Scale factor for usage field.
102: */
103:
104: #define TH_USAGE_SCALE 1000
105:
106: /*
107: * Thread run states (state field).
108: */
109:
110: #define TH_STATE_RUNNING 1 /* thread is running normally */
111: #define TH_STATE_STOPPED 2 /* thread is stopped */
112: #define TH_STATE_WAITING 3 /* thread is waiting normally */
113: #define TH_STATE_UNINTERRUPTIBLE 4 /* thread is in an uninterruptible
114: wait */
115: #define TH_STATE_HALTED 5 /* thread is halted at a
116: clean point */
117:
118: /*
119: * Thread flags (flags field).
120: */
121: #define TH_FLAGS_SWAPPED 0x1 /* thread is swapped out */
122: #define TH_FLAGS_IDLE 0x2 /* thread is an idle thread */
123:
124: #define THREAD_SCHED_INFO 2
125:
126: struct thread_sched_info {
127: integer_t policy; /* scheduling policy */
128: integer_t data; /* associated data */
129: integer_t base_priority; /* base priority */
130: integer_t max_priority; /* max priority */
131: integer_t cur_priority; /* current priority */
132: /*boolean_t*/integer_t depressed; /* depressed ? */
133: integer_t depress_priority; /* priority depressed from */
134: };
135:
136: typedef struct thread_sched_info thread_sched_info_data_t;
137: typedef struct thread_sched_info *thread_sched_info_t;
138: #define THREAD_SCHED_INFO_COUNT \
139: (sizeof(thread_sched_info_data_t) / sizeof(natural_t))
140:
141: #endif /* _MACH_THREAD_INFO_H_ */
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