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Annotation of OSKit-Mach/include/mach/thread_info.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     File:   mach/thread_info
        !            28:  *
        !            29:  *     Thread information structure and definitions.
        !            30:  *
        !            31:  *     The defintions in this file are exported to the user.  The kernel
        !            32:  *     will translate its internal data structures to these structures
        !            33:  *     as appropriate.
        !            34:  *
        !            35:  */
        !            36: 
        !            37: #ifndef        _MACH_THREAD_INFO_H_
        !            38: #define _MACH_THREAD_INFO_H_
        !            39: 
        !            40: #include <mach/boolean.h>
        !            41: #include <mach/policy.h>
        !            42: #include <mach/time_value.h>
        !            43: 
        !            44: /*
        !            45:  *     Generic information structure to allow for expansion.
        !            46:  */
        !            47: typedef        integer_t       *thread_info_t;         /* varying array of ints */
        !            48: 
        !            49: #define THREAD_INFO_MAX                (1024)  /* maximum array size */
        !            50: typedef        integer_t       thread_info_data_t[THREAD_INFO_MAX];
        !            51: 
        !            52: /*
        !            53:  *     Currently defined information.
        !            54:  */
        !            55: #define THREAD_BASIC_INFO      1               /* basic information */
        !            56: 
        !            57: struct thread_basic_info {
        !            58:        time_value_t    user_time;      /* user run time */
        !            59:        time_value_t    system_time;    /* system run time */
        !            60:        integer_t       cpu_usage;      /* scaled cpu usage percentage */
        !            61:        integer_t       base_priority;  /* base scheduling priority */
        !            62:        integer_t       cur_priority;   /* current scheduling priority */
        !            63:        integer_t       run_state;      /* run state (see below) */
        !            64:        integer_t       flags;          /* various flags (see below) */
        !            65:        integer_t       suspend_count;  /* suspend count for thread */
        !            66:        integer_t       sleep_time;     /* number of seconds that thread
        !            67:                                           has been sleeping */
        !            68:        time_value_t    creation_time;  /* time stamp of creation */
        !            69: };
        !            70: 
        !            71: typedef struct thread_basic_info       thread_basic_info_data_t;
        !            72: typedef struct thread_basic_info       *thread_basic_info_t;
        !            73: #define THREAD_BASIC_INFO_COUNT        \
        !            74:                (sizeof(thread_basic_info_data_t) / sizeof(natural_t))
        !            75: 
        !            76: /*
        !            77:  *     Scale factor for usage field.
        !            78:  */
        !            79: 
        !            80: #define TH_USAGE_SCALE 1000
        !            81: 
        !            82: /*
        !            83:  *     Thread run states (state field).
        !            84:  */
        !            85: 
        !            86: #define TH_STATE_RUNNING       1       /* thread is running normally */
        !            87: #define TH_STATE_STOPPED       2       /* thread is stopped */
        !            88: #define TH_STATE_WAITING       3       /* thread is waiting normally */
        !            89: #define TH_STATE_UNINTERRUPTIBLE 4     /* thread is in an uninterruptible
        !            90:                                           wait */
        !            91: #define TH_STATE_HALTED                5       /* thread is halted at a
        !            92:                                           clean point */
        !            93: 
        !            94: /*
        !            95:  *     Thread flags (flags field).
        !            96:  */
        !            97: #define TH_FLAGS_SWAPPED       0x1     /* thread is swapped out */
        !            98: #define TH_FLAGS_IDLE          0x2     /* thread is an idle thread */
        !            99: 
        !           100: #define THREAD_SCHED_INFO      2
        !           101: 
        !           102: struct thread_sched_info {
        !           103:        integer_t       policy;         /* scheduling policy */
        !           104:        integer_t       data;           /* associated data */
        !           105:        integer_t       base_priority;  /* base priority */
        !           106:        integer_t       max_priority;   /* max priority */
        !           107:        integer_t       cur_priority;   /* current priority */
        !           108: /*boolean_t*/integer_t depressed;      /* depressed ? */
        !           109:        integer_t       depress_priority; /* priority depressed from */
        !           110: };
        !           111: 
        !           112: typedef struct thread_sched_info       thread_sched_info_data_t;
        !           113: typedef struct thread_sched_info       *thread_sched_info_t;
        !           114: #define        THREAD_SCHED_INFO_COUNT \
        !           115:                (sizeof(thread_sched_info_data_t) / sizeof(natural_t))
        !           116: 
        !           117: #endif /* _MACH_THREAD_INFO_H_ */

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