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

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1993,1992,1991,1990,1989 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/processor_info.h
        !            28:  *     Author: David L. Black
        !            29:  *     Date:   1988
        !            30:  *
        !            31:  *     Data structure definitions for processor_info, processor_set_info
        !            32:  */
        !            33: 
        !            34: #ifndef        _MACH_PROCESSOR_INFO_H_
        !            35: #define _MACH_PROCESSOR_INFO_H_
        !            36: 
        !            37: #include <mach/machine.h>
        !            38: 
        !            39: /*
        !            40:  *     Generic information structure to allow for expansion.
        !            41:  */
        !            42: typedef integer_t      *processor_info_t;      /* varying array of int. */
        !            43: 
        !            44: #define PROCESSOR_INFO_MAX     (1024)          /* max array size */
        !            45: typedef integer_t      processor_info_data_t[PROCESSOR_INFO_MAX];
        !            46: 
        !            47: 
        !            48: typedef integer_t      *processor_set_info_t;  /* varying array of int. */
        !            49: 
        !            50: #define PROCESSOR_SET_INFO_MAX (1024)          /* max array size */
        !            51: typedef integer_t      processor_set_info_data_t[PROCESSOR_SET_INFO_MAX];
        !            52: 
        !            53: /*
        !            54:  *     Currently defined information.
        !            55:  */
        !            56: #define        PROCESSOR_BASIC_INFO    1               /* basic information */
        !            57: 
        !            58: struct processor_basic_info {
        !            59:        cpu_type_t      cpu_type;       /* type of cpu */
        !            60:        cpu_subtype_t   cpu_subtype;    /* subtype of cpu */
        !            61: /*boolean_t*/integer_t running;        /* is processor running */
        !            62:        integer_t       slot_num;       /* slot number */
        !            63: /*boolean_t*/integer_t is_master;      /* is this the master processor */
        !            64: };
        !            65: 
        !            66: typedef        struct processor_basic_info     processor_basic_info_data_t;
        !            67: typedef struct processor_basic_info    *processor_basic_info_t;
        !            68: #define PROCESSOR_BASIC_INFO_COUNT \
        !            69:                (sizeof(processor_basic_info_data_t)/sizeof(integer_t))
        !            70: 
        !            71: 
        !            72: #define        PROCESSOR_SET_BASIC_INFO        1       /* basic information */
        !            73: 
        !            74: struct processor_set_basic_info {
        !            75:        integer_t       processor_count;        /* How many processors */
        !            76:        integer_t       task_count;             /* How many tasks */
        !            77:        integer_t       thread_count;           /* How many threads */
        !            78:        integer_t       load_average;           /* Scaled */
        !            79:        integer_t       mach_factor;            /* Scaled */
        !            80: };
        !            81: 
        !            82: /*
        !            83:  *     Scaling factor for load_average, mach_factor.
        !            84:  */
        !            85: #define        LOAD_SCALE      1000            
        !            86: 
        !            87: typedef        struct processor_set_basic_info processor_set_basic_info_data_t;
        !            88: typedef struct processor_set_basic_info        *processor_set_basic_info_t;
        !            89: #define PROCESSOR_SET_BASIC_INFO_COUNT \
        !            90:                (sizeof(processor_set_basic_info_data_t)/sizeof(integer_t))
        !            91: 
        !            92: #define PROCESSOR_SET_SCHED_INFO       2       /* scheduling info */
        !            93: 
        !            94: struct processor_set_sched_info {
        !            95:        integer_t       policies;       /* allowed policies */
        !            96:        integer_t       max_priority;   /* max priority for new threads */
        !            97: };
        !            98: 
        !            99: typedef        struct processor_set_sched_info processor_set_sched_info_data_t;
        !           100: typedef struct processor_set_sched_info        *processor_set_sched_info_t;
        !           101: #define PROCESSOR_SET_SCHED_INFO_COUNT \
        !           102:                (sizeof(processor_set_sched_info_data_t)/sizeof(integer_t))
        !           103: 
        !           104: #endif /* _MACH_PROCESSOR_INFO_H_ */

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