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- /*
- * Mach Operating System
- * Copyright (c) 1989 Carnegie-Mellon University
- * Copyright (c) 1988 Carnegie-Mellon University
- * Copyright (c) 1987 Carnegie-Mellon University
- * All rights reserved. The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
- /*
- * HISTORY
- * $Log: thread_info.h,v $
- * Revision 2.6 89/10/11 14:41:37 dlb
- * Add scheduling information.
- * [89/05/18 dlb]
- *
- * Revision 2.5 89/03/09 20:24:12 rpd
- * More cleanup.
- *
- * Revision 2.4 89/02/25 18:41:18 gm0w
- * Changes for cleanup.
- *
- * 4-Mar-88 David Black (dlb) at Carnegie-Mellon University
- * Added TH_USAGE_SCALE for cpu_usage field.
- *
- * 15-Jan-88 David Golub (dbg) at Carnegie-Mellon University
- * Changed to generic interface (variable-length array) to allow
- * for expansion. Renamed to thread_info.
- *
- * 1-Jun-87 Avadis Tevanian (avie) at Carnegie-Mellon University
- * Created.
- *
- */
- /*
- * 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_
-
- #import <mach/policy.h>
- #import <mach/time_value.h>
-
- /*
- * Generic information structure to allow for expansion.
- */
- typedef int *thread_info_t; /* varying array of int */
-
- #define THREAD_INFO_MAX (1024) /* maximum array size */
- typedef int 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 */
- int cpu_usage; /* scaled cpu usage percentage */
- int base_priority; /* base scheduling priority */
- int cur_priority; /* current scheduling priority */!21t run_state; /* run state (see below) */
- int flags; /* various flags (see below) */
- int suspend_count; /* suspend count for thread */
- long sleep_time; /* number of seconds that thread
- has been sleeping */
- };
-
- 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(int))
-
- /*
- * 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 {
- int policy; /* scheduling policy */
- int data; /* associated data */
- int base_priority; /* base priority */
- int max_priority; /* max priority */
- int cur_priority; /* current priority */
- boolean_t depressed; /* depressed ? */
- int depress_priority; /* priority depressed from */
- };
-
- 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(int))
-
- #endif _MACH_THREAD_INFO_H_
-