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Annotation of kernel/mach/host_info.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* 
        !            26:  * Mach Operating System
        !            27:  * Copyright (c) 1991,1990,1989,1988 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  [email protected]
        !            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:  *     File:   mach/host_info.h
        !            53:  *
        !            54:  *     Definitions for host_info call.
        !            55:  */
        !            56: 
        !            57: #ifndef        _MACH_HOST_INFO_H_
        !            58: #define        _MACH_HOST_INFO_H_
        !            59: 
        !            60: #import <mach/machine.h>
        !            61: #import <mach/machine/vm_types.h>
        !            62: 
        !            63: /*
        !            64:  *     Generic information structure to allow for expansion.
        !            65:  */
        !            66: typedef integer_t      *host_info_t;           /* varying array of int. */
        !            67: 
        !            68: #define        HOST_INFO_MAX   (1024)          /* max array size */
        !            69: typedef integer_t      host_info_data_t[HOST_INFO_MAX];
        !            70: 
        !            71: #define KERNEL_VERSION_MAX (512)
        !            72: typedef char   kernel_version_t[KERNEL_VERSION_MAX];
        !            73: /*
        !            74:  *     Currently defined information.
        !            75:  */
        !            76: #define HOST_BASIC_INFO                1       /* basic info */
        !            77: #define HOST_PROCESSOR_SLOTS   2       /* processor slot numbers */
        !            78: #define HOST_SCHED_INFO                3       /* scheduling info */
        !            79: #define        HOST_LOAD_INFO          4       /* avenrun/mach_factor info */
        !            80: 
        !            81: struct host_basic_info {
        !            82:        integer_t       max_cpus;       /* max number of cpus possible */
        !            83:        integer_t       avail_cpus;     /* number of cpus now available */
        !            84:        vm_size_t       memory_size;    /* size of memory in bytes */
        !            85:        cpu_type_t      cpu_type;       /* cpu type */
        !            86:        cpu_subtype_t   cpu_subtype;    /* cpu subtype */
        !            87: };
        !            88: 
        !            89: typedef        struct host_basic_info  host_basic_info_data_t;
        !            90: typedef struct host_basic_info *host_basic_info_t;
        !            91: #define HOST_BASIC_INFO_COUNT \
        !            92:                (sizeof(host_basic_info_data_t)/sizeof(natural_t))
        !            93: 
        !            94: struct host_sched_info {
        !            95:        int             min_timeout;    /* minimum timeout in milliseconds */
        !            96:        int             min_quantum;    /* minimum quantum in milliseconds */
        !            97: };
        !            98: 
        !            99: typedef        struct host_sched_info  host_sched_info_data_t;
        !           100: typedef struct host_sched_info *host_sched_info_t;
        !           101: #define HOST_SCHED_INFO_COUNT \
        !           102:                (sizeof(host_sched_info_data_t)/sizeof(int))
        !           103: 
        !           104: struct host_load_info {
        !           105:        integer_t       avenrun[3];     /* scaled by LOAD_SCALE */
        !           106:        integer_t       mach_factor[3]; /* scaled by LOAD_SCALE */
        !           107: };
        !           108: 
        !           109: typedef struct host_load_info  host_load_info_data_t;
        !           110: typedef struct host_load_info  *host_load_info_t;
        !           111: #define        HOST_LOAD_INFO_COUNT \
        !           112:                (sizeof(host_load_info_data_t)/sizeof(natural_t))
        !           113: 
        !           114: #endif /* _MACH_HOST_INFO_H_ */

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