[apple/xnu.git] / osfmk / mach / thread_info.h

/*
 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * 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>
#include <mach/message.h>
#include <mach/machine/vm_types.h>

/*
 *	Generic information structure to allow for expansion.
 */
typedef	natural_t	thread_flavor_t;
typedef	integer_t	*thread_info_t;		/* varying array of int */

#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         	3     /* 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 */
	policy_t	policy;		/* scheduling policy in effect */
        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 */
};

typedef struct thread_basic_info  thread_basic_info_data_t;
typedef struct thread_basic_info  *thread_basic_info_t;
#define THREAD_BASIC_INFO_COUNT   ((mach_msg_type_number_t) \
                (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 */

/*
 * Obsolete interfaces.
 */

#define THREAD_SCHED_TIMESHARE_INFO	10
#define THREAD_SCHED_RR_INFO		11
#define THREAD_SCHED_FIFO_INFO		12

#endif	/* _MACH_THREAD_INFO_H_ */
Commit	Line	Data
1c79356b	1	/*
91447636	2	* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
37839358 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
37839358 A	12	* This Original Code and all software distributed under the License are
37839358 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
37839358 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
1c79356b A	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 Software.Distribution@CS.CMU.EDU
	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	*/
	52	/*
	53	* File: mach/thread_info
	54	*
	55	* Thread information structure and definitions.
	56	*
	57	* The defintions in this file are exported to the user. The kernel
	58	* will translate its internal data structures to these structures
	59	* as appropriate.
	60	*
	61	*/
	62
	63	#ifndef _MACH_THREAD_INFO_H_
	64	#define _MACH_THREAD_INFO_H_
	65
	66	#include <mach/boolean.h>
	67	#include <mach/policy.h>
	68	#include <mach/time_value.h>
91447636	69	#include <mach/message.h>
1c79356b A	70	#include <mach/machine/vm_types.h>
	71
	72	/*
	73	* Generic information structure to allow for expansion.
	74	*/
	75	typedef natural_t thread_flavor_t;
	76	typedef integer_t thread_info_t; / varying array of int */
	77
	78	#define THREAD_INFO_MAX (1024) /* maximum array size */
	79	typedef integer_t thread_info_data_t[THREAD_INFO_MAX];
	80
	81	/*
	82	* Currently defined information.
	83	*/
	84	#define THREAD_BASIC_INFO 3 /* basic information */
	85
	86	struct thread_basic_info {
	87	time_value_t user_time; /* user run time */
	88	time_value_t system_time; /* system run time */
	89	integer_t cpu_usage; /* scaled cpu usage percentage */
	90	policy_t policy; /* scheduling policy in effect */
	91	integer_t run_state; /* run state (see below) */
	92	integer_t flags; /* various flags (see below) */
	93	integer_t suspend_count; /* suspend count for thread */
	94	integer_t sleep_time; /* number of seconds that thread
	95	has been sleeping */
	96	};
	97
	98	typedef struct thread_basic_info thread_basic_info_data_t;
	99	typedef struct thread_basic_info *thread_basic_info_t;
91447636 A	100	#define THREAD_BASIC_INFO_COUNT ((mach_msg_type_number_t) \
91447636 A	101	(sizeof(thread_basic_info_data_t) / sizeof(natural_t)))
1c79356b A	102
	103	/*
	104	* Scale factor for usage field.
	105	*/
	106
	107	#define TH_USAGE_SCALE 1000
	108
	109	/*
	110	* Thread run states (state field).
	111	*/
	112
	113	#define TH_STATE_RUNNING 1 /* thread is running normally */
	114	#define TH_STATE_STOPPED 2 /* thread is stopped */
	115	#define TH_STATE_WAITING 3 /* thread is waiting normally */
	116	#define TH_STATE_UNINTERRUPTIBLE 4 /* thread is in an uninterruptible
	117	wait */
	118	#define TH_STATE_HALTED 5 /* thread is halted at a
	119	clean point */
	120
	121	/*
	122	* Thread flags (flags field).
	123	*/
	124	#define TH_FLAGS_SWAPPED 0x1 /* thread is swapped out */
	125	#define TH_FLAGS_IDLE 0x2 /* thread is an idle thread */
	126
91447636 A	127	/*
	128	* Obsolete interfaces.
	129	*/
9bccf70c	130
1c79356b A	131	#define THREAD_SCHED_TIMESHARE_INFO 10
	132	#define THREAD_SCHED_RR_INFO 11
	133	#define THREAD_SCHED_FIFO_INFO 12
	134
	135	#endif /* _MACH_THREAD_INFO_H_ */