192 lines
6.7 KiB
C
192 lines
6.7 KiB
C
/*
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* $Id: sysctl.h,v 1.3 2001/07/11 23:59:06 fna Exp $
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*
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* This file belongs to FreeMiNT. It's not in the original MiNT 1.12
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* distribution. See the file CHANGES for a detailed log of changes.
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*
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*
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* Modified for FreeMiNT by Frank Naumann <fnaumann@freemint.de>
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*
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* Please send suggestions, patches or bug reports to me or
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* the MiNT mailing list.
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*
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Mike Karels at Berkeley Software Design, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sysctl.h 8.1 (Berkeley) 6/2/93
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*/
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# ifndef _MINT_SYSCTL_H
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# define _MINT_SYSCTL_H 1
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/*
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* Definitions for sysctl call. The sysctl call uses a hierarchical name
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* for objects that can be examined or modified. The name is expressed as
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* a sequence of integers. Like a file path name, the meaning of each
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* component depends on its place in the hierarchy. The top-level and kern
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* identifiers are defined here, and other identifiers are defined in the
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* respective subsystem header files.
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*/
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# define CTL_MAXNAME 12 /* largest number of components supported */
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/*
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* Each subsystem defined by sysctl defines a list of variables
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* for that subsystem. Each name is either a node with further
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* levels defined below it, or it is a leaf of some particular
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* type given below. Each sysctl level defines a set of name/type
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* pairs to be used by sysctl(1) in manipulating the subsystem.
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*/
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struct ctlname
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{
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const char *ctl_name; /* subsystem name */
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int ctl_type; /* type of name */
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};
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# define CTLTYPE_NODE 1 /* name is a node */
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# define CTLTYPE_INT 2 /* name describes an integer */
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# define CTLTYPE_STRING 3 /* name describes a string */
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# define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
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# define CTLTYPE_STRUCT 5 /* name describes a structure */
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/*
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* Top-level identifiers
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*/
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# define CTL_UNSPEC 0 /* unused */
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# define CTL_KERN 1 /* "high kernel" */
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# define CTL_HW 2 /* generic cpu/io */
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# define CTL_MACHDEP 3 /* machine dependent */
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# define CTL_DEBUG 4 /* debugging parameters */
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# define CTL_MAXID 5 /* number of valid top-level ids */
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# define CTL_NAMES \
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{ \
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{ 0, 0 }, \
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{ "kern", CTLTYPE_NODE }, \
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{ "hw", CTLTYPE_NODE }, \
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{ "machdep", CTLTYPE_NODE }, \
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{ "debug", CTLTYPE_NODE }, \
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}
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/*
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* CTL_KERN identifiers
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*/
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# define KERN_OSTYPE 1 /* string: system version */
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# define KERN_OSRELEASE 2 /* string: system release */
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# define KERN_OSREV 3 /* int: system revision */
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# define KERN_VERSION 4 /* string: compile time info */
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# define KERN_HOSTNAME 5 /* string: hostname */
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# define KERN_DOMAINNAME 6 /* string: (YP) domainname */
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# define KERN_SECURELVL 7 /* int: system security level */
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# define KERN_MAXPROC 8 /* int: max processes */
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# define KERN_MAXFILES 9 /* int: max open files */
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# define KERN_NGROUPS 10 /* int: # of supplemental group ids */
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# define KERN_IOV_MAX 11 /* int: max iovec's for readv(2) etc. */
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# define KERN_LOGIN_NAME_MAX 12 /* int: max length login name + NUL */
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# define KERN_BOOTTIME 13 /* struct: time kernel was booted */
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# define KERN_INITIALTPA 14 /* int: max TPA size of a process */
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# define KERN_MAXID 15 /* number of valid kern ids */
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# define CTL_KERN_NAMES \
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{ \
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{ 0, 0 }, \
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{ "ostype", CTLTYPE_STRING }, \
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{ "osrelease", CTLTYPE_STRING }, \
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{ "osrevision", CTLTYPE_INT }, \
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{ "version", CTLTYPE_STRING }, \
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{ "hostname", CTLTYPE_STRING }, \
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{ "domainname", CTLTYPE_STRING }, \
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{ "securelevel", CTLTYPE_INT }, \
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{ "maxproc", CTLTYPE_INT }, \
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{ "maxfiles", CTLTYPE_INT }, \
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{ "ngroups", CTLTYPE_INT }, \
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{ "iov_max", CTLTYPE_INT }, \
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{ "login_name_max", CTLTYPE_INT }, \
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{ "boottime", CTLTYPE_STRUCT }, \
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{ "initialtpa", CTLTYPE_INT }, \
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}
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/*
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* CTL_HW identifiers
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*/
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# define HW_MACHINE 1 /* string: machine class */
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# define HW_MACHINE_ARCH 2 /* string: machine architecture */
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# define HW_MODEL 3 /* string: specific machine model */
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# define HW_NCPU 4 /* int: number of cpus */
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# define HW_BYTEORDER 5 /* int: machine byte order */
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# define HW_PAGESIZE 6 /* int: software page size */
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# define HW_FREEPHYSMEM 7 /* int: free physical memory */
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# define HW_MAXID 8 /* number of valid hw ids */
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# define CTL_HW_NAMES \
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{ \
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{ 0, 0 }, \
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{ "machine", CTLTYPE_STRING }, \
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{ "machine_arch", CTLTYPE_STRING }, \
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{ "model", CTLTYPE_STRING }, \
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{ "ncpu", CTLTYPE_INT }, \
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{ "byteorder", CTLTYPE_INT }, \
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{ "pagesize", CTLTYPE_INT }, \
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{ "freephysmem", CTLTYPE_INT }, \
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}
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/*
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* CTL_DEBUG definitions
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*
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* Second level identifier specifies which debug variable.
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* Third level identifier specifies which stucture component.
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*/
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# define CTL_DEBUG_NAME 0 /* string: variable name */
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# define CTL_DEBUG_VALUE 1 /* int: variable value */
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# define CTL_DEBUG_MAXID 20
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# ifndef __KERNEL__
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int __sysctl (int *name, unsigned long namelen, void *old, unsigned long *oldlenp,
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const void *new, unsigned long newlen);
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int sysctl (int *name, unsigned long namelen, void *old, unsigned long *oldlenp,
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const void *new, unsigned long newlen);
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# endif
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# endif /* _MINT_SYSCTL_H */
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