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SYSCTL.H
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1997-09-15
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/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Mike Karels at Berkeley Software Design, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sysctl.h 8.2 (Berkeley) 3/30/95
*/
#ifndef _SYS_SYSCTL_H_
#define _SYS_SYSCTL_H_
#ifdef TCPV40HDRS
#error error: sys\sysctl.h is for TCP/IP toolkit 5.0 or later releases only
#else
/*
* Definitions for sysctl call. The sysctl call uses a hierarchical name
* for objects that can be examined or modified. The name is expressed as
* a sequence of integers. Like a file path name, the meaning of each
* component depends on its place in the hierarchy. The top-level and kern
* identifiers are defined here, and other identifiers are defined in the
* respective subsystem header files.
*/
#define CTL_MAXNAME 12 /* largest number of components supported */
/*
* Each subsystem defined by sysctl defines a list of variables
* for that subsystem. Each name is either a node with further
* levels defined below it, or it is a leaf of some particular
* type given below. Each sysctl level defines a set of name/type
* pairs to be used by sysctl(1) in manipulating the subsystem.
*/
struct ctlname {
char *ctl_name; /* subsystem name */
int ctl_type; /* type of name */
};
#define CTLTYPE_NODE 1 /* name is a node */
#define CTLTYPE_INT 2 /* name describes an integer */
#define CTLTYPE_STRING 3 /* name describes a string */
#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
#define CTLTYPE_STRUCT 5 /* name describes a structure */
#define CTLTYPE_INETCFG 6 /* inetcfg sysctl code */
#define CTLTYPE_INEVER 7 /* inetver sysctl code */
/*
* Top-level identifiers
*/
#define CTL_KERN 1 /* "high kernel": proc, limits */
#define CTL_NET 4 /* network, see socket.h */
#define CTL_OS2 9 /* OS/2 specific codes */
#define CTL_NAMES { \
{ 0, 0 }, \
{ "kern", CTLTYPE_NODE }, \
{ "net", CTLTYPE_NODE }, \
{ "os2", CTLTYPE_NODE }, \
}
/*
* CTL_KERN identifiers
*/
#define KERN_MAXFILES 7 /* int: max open files */
#define KERN_HOSTNAME 10 /* string: hostname */
#define KERN_HOSTID 11 /* int: host identifier */
#define CTL_KERN_NAMES { \
{ 0, 0 }, \
{ "ostype", CTLTYPE_STRING }, \
{ "osrelease", CTLTYPE_STRING }, \
{ "osrevision", CTLTYPE_INT }, \
{ "version", CTLTYPE_STRING }, \
{ "maxvnodes", CTLTYPE_INT }, \
{ "maxproc", CTLTYPE_INT }, \
{ "maxfiles", CTLTYPE_INT }, \
{ "argmax", CTLTYPE_INT }, \
{ "securelevel", CTLTYPE_INT }, \
{ "hostname", CTLTYPE_STRING }, \
{ "hostid", CTLTYPE_INT }, \
{ "clockrate", CTLTYPE_STRUCT }, \
{ "vnode", CTLTYPE_STRUCT }, \
{ "proc", CTLTYPE_STRUCT }, \
{ "file", CTLTYPE_STRUCT }, \
{ "profiling", CTLTYPE_NODE }, \
{ "posix1version", CTLTYPE_INT }, \
{ "ngroups", CTLTYPE_INT }, \
{ "job_control", CTLTYPE_INT }, \
{ "saved_ids", CTLTYPE_INT }, \
{ "boottime", CTLTYPE_STRUCT }, \
}
/*
* KERN_SYSCTL objects
*/
#define KERNCTL_INETVER 70 /* Sysctl code for sockets Inetversion */
#define OS2_MEMMAPIO 1 /* memory map io */
#define OS2_QUERY_MEMMAPIO 2 /* Query if mapped memory usable */
/* Generic Structure for Inetcfg calls */
struct inetcfg_ctl{
unsigned long var_name;
unsigned long var_cur_val;
unsigned long var_max_val;
unsigned long var_def_val;
unsigned long var_min_val;
};
/* Inetversion */
struct inetvers_ctl {
float version;
char versionstr[10]; /* Less than 10 chars in version string */
};
#include <sys/cdefs.h>
#ifndef KERNEL
__BEGIN_DECLS
int _System sysctl __TCPPROTO((int *, u_int, void *, size_t *, void *, size_t));
__END_DECLS
#endif
#endif /* TCPV40HDRS */
#endif /* !_SYS_SYSCTL_H_ */