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/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: mach/thread_info
*
* Thread information structure and definitions.
*
* The defintions in this file are exported to the user. The kernel
* will translate its internal data structures to these structures
* as appropriate.
*
*/
#ifndef _MACH_THREAD_INFO_H_
#define _MACH_THREAD_INFO_H_
#include <mach/boolean.h>
#include <mach/policy.h>
#include <mach/time_value.h>
/*
* Generic information structure to allow for expansion.
*/
typedef integer_t *thread_info_t; /* varying array of ints */
#define THREAD_INFO_MAX (1024) /* maximum array size */
typedef integer_t thread_info_data_t[THREAD_INFO_MAX];
/*
* Currently defined information.
*/
#define THREAD_BASIC_INFO 1 /* basic information */
struct thread_basic_info {
time_value_t user_time; /* user run time */
time_value_t system_time; /* system run time */
integer_t cpu_usage; /* scaled cpu usage percentage */
integer_t base_priority; /* base scheduling priority */
integer_t cur_priority; /* current scheduling priority */
integer_t run_state; /* run state (see below) */
integer_t flags; /* various flags (see below) */
integer_t suspend_count; /* suspend count for thread */
integer_t sleep_time; /* number of seconds that thread
has been sleeping */
time_value_t creation_time; /* time stamp of creation */
};
typedef struct thread_basic_info thread_basic_info_data_t;
typedef struct thread_basic_info *thread_basic_info_t;
#define THREAD_BASIC_INFO_COUNT \
(sizeof(thread_basic_info_data_t) / sizeof(natural_t))
/*
* Scale factor for usage field.
*/
#define TH_USAGE_SCALE 1000
/*
* Thread run states (state field).
*/
#define TH_STATE_RUNNING 1 /* thread is running normally */
#define TH_STATE_STOPPED 2 /* thread is stopped */
#define TH_STATE_WAITING 3 /* thread is waiting normally */
#define TH_STATE_UNINTERRUPTIBLE 4 /* thread is in an uninterruptible
wait */
#define TH_STATE_HALTED 5 /* thread is halted at a
clean point */
/*
* Thread flags (flags field).
*/
#define TH_FLAGS_SWAPPED 0x1 /* thread is swapped out */
#define TH_FLAGS_IDLE 0x2 /* thread is an idle thread */
#define THREAD_SCHED_INFO 2
struct thread_sched_info {
integer_t policy; /* scheduling policy */
integer_t data; /* associated data */
integer_t base_priority; /* base priority */
integer_t max_priority; /* max priority */
integer_t cur_priority; /* current priority */
/*boolean_t*/integer_t depressed; /* depressed ? */
integer_t depress_priority; /* priority depressed from */
integer_t last_processor; /* last processor used by the thread */
};
typedef struct thread_sched_info thread_sched_info_data_t;
typedef struct thread_sched_info *thread_sched_info_t;
#define THREAD_SCHED_INFO_COUNT \
(sizeof(thread_sched_info_data_t) / sizeof(natural_t))
#endif /* _MACH_THREAD_INFO_H_ */
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