www.pudn.com > tcpipsim.rar > sysctl.h

/* 
 * 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	8.1 (Berkeley) 6/2/93 
 */ 
 
#ifndef _SYS_SYSCTL_H_ 
#define	_SYS_SYSCTL_H_ 
 
/* 
 * These are for the eproc structure defined below. 
 */ 
#ifndef KERNEL 
#include  
#include  
#include  
#include  
#endif 
 
/* 
 * 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 */ 
 
/* 
 * Top-level identifiers 
 */ 
#define	CTL_UNSPEC	0		/* unused */ 
#define	CTL_KERN	1		/* "high kernel": proc, limits */ 
#define	CTL_VM		2		/* virtual memory */ 
#define	CTL_FS		3		/* file system, mount type is next */ 
#define	CTL_NET		4		/* network, see socket.h */ 
#define	CTL_DEBUG	5		/* debugging parameters */ 
#define	CTL_HW		6		/* generic cpu/io */ 
#define	CTL_MACHDEP	7		/* machine dependent */ 
#define	CTL_USER	8		/* user-level */ 
#define	CTL_MAXID	9		/* number of valid top-level ids */ 
 
#define CTL_NAMES { \ 
	{ 0, 0 }, \ 
	{ "kern", CTLTYPE_NODE }, \ 
	{ "vm", CTLTYPE_NODE }, \ 
	{ "fs", CTLTYPE_NODE }, \ 
	{ "net", CTLTYPE_NODE }, \ 
	{ "debug", CTLTYPE_NODE }, \ 
	{ "hw", CTLTYPE_NODE }, \ 
	{ "machdep", CTLTYPE_NODE }, \ 
	{ "user", CTLTYPE_NODE }, \ 
} 
 
/* 
 * CTL_KERN identifiers 
 */ 
#define	KERN_OSTYPE	 	 1	/* string: system version */ 
#define	KERN_OSRELEASE	 	 2	/* string: system release */ 
#define	KERN_OSREV	 	 3	/* int: system revision */ 
#define	KERN_VERSION	 	 4	/* string: compile time info */ 
#define	KERN_MAXVNODES	 	 5	/* int: max vnodes */ 
#define	KERN_MAXPROC	 	 6	/* int: max processes */ 
#define	KERN_MAXFILES	 	 7	/* int: max open files */ 
#define	KERN_ARGMAX	 	 8	/* int: max arguments to exec */ 
#define	KERN_SECURELVL	 	 9	/* int: system security level */ 
#define	KERN_HOSTNAME		10	/* string: hostname */ 
#define	KERN_HOSTID		11	/* int: host identifier */ 
#define	KERN_CLOCKRATE		12	/* struct: struct clockrate */ 
#define	KERN_VNODE		13	/* struct: vnode structures */ 
#define	KERN_PROC		14	/* struct: process entries */ 
#define	KERN_FILE		15	/* struct: file entries */ 
#define	KERN_PROF		16	/* node: kernel profiling info */ 
#define	KERN_POSIX1		17	/* int: POSIX.1 version */ 
#define	KERN_NGROUPS		18	/* int: # of supplemental group ids */ 
#define	KERN_JOB_CONTROL	19	/* int: is job control available */ 
#define	KERN_SAVED_IDS		20	/* int: saved set-user/group-ID */ 
#define	KERN_BOOTTIME		21	/* struct: time kernel was booted */ 
#define	KERN_MAXID		22	/* number of valid kern ids */ 
 
#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_PROC subtypes 
 */ 
#define KERN_PROC_ALL		0	/* everything */ 
#define	KERN_PROC_PID		1	/* by process id */ 
#define	KERN_PROC_PGRP		2	/* by process group id */ 
#define	KERN_PROC_SESSION	3	/* by session of pid */ 
#define	KERN_PROC_TTY		4	/* by controlling tty */ 
#define	KERN_PROC_UID		5	/* by effective uid */ 
#define	KERN_PROC_RUID		6	/* by real uid */ 
 
/*  
 * KERN_PROC subtype ops return arrays of augmented proc structures: 
 */ 
struct kinfo_proc { 
	struct	proc kp_proc;			/* proc structure */ 
	struct	eproc { 
		struct	proc *e_paddr;		/* address of proc */ 
		struct	session *e_sess;	/* session pointer */ 
		struct	pcred e_pcred;		/* process credentials */ 
		struct	ucred e_ucred;		/* current credentials */ 
#ifdef sparc 
		struct { 
			segsz_t	vm_rssize;	/* resident set size */ 
			segsz_t	vm_tsize;	/* text size */ 
			segsz_t	vm_dsize;	/* data size */ 
			segsz_t	vm_ssize;	/* stack size */ 
		} e_vm; 
#else 
//		struct	vmspace e_vm;		/* address space */ 
#endif 
		pid_t	e_ppid;			/* parent process id */ 
		pid_t	e_pgid;			/* process group id */ 
		short	e_jobc;			/* job control counter */ 
		dev_t	e_tdev;			/* controlling tty dev */ 
		pid_t	e_tpgid;		/* tty process group id */ 
		struct	session *e_tsess;	/* tty session pointer */ 
#define	WMESGLEN	7 
		char	e_wmesg[WMESGLEN+1];	/* wchan message */ 
		segsz_t e_xsize;		/* text size */ 
		short	e_xrssize;		/* text rss */ 
		short	e_xccount;		/* text references */ 
		short	e_xswrss; 
		long	e_flag; 
#define	EPROC_CTTY	0x01	/* controlling tty vnode active */ 
#define	EPROC_SLEADER	0x02	/* session leader */ 
		char	e_login[MAXLOGNAME];	/* setlogin() name */ 
		long	e_spare[4]; 
	} kp_eproc; 
}; 
 
/* 
 * CTL_HW identifiers 
 */ 
#define	HW_MACHINE	 1		/* string: machine class */ 
#define	HW_MODEL	 2		/* string: specific machine model */ 
#define	HW_NCPU		 3		/* int: number of cpus */ 
#define	HW_BYTEORDER	 4		/* int: machine byte order */ 
#define	HW_PHYSMEM	 5		/* int: total memory */ 
#define	HW_USERMEM	 6		/* int: non-kernel memory */ 
#define	HW_PAGESIZE	 7		/* int: software page size */ 
#define	HW_DISKNAMES	 8		/* strings: disk drive names */ 
#define	HW_DISKSTATS	 9		/* struct: diskstats[] */ 
#define	HW_MAXID	10		/* number of valid hw ids */ 
 
#define CTL_HW_NAMES { \ 
	{ 0, 0 }, \ 
	{ "machine", CTLTYPE_STRING }, \ 
	{ "model", CTLTYPE_STRING }, \ 
	{ "ncpu", CTLTYPE_INT }, \ 
	{ "byteorder", CTLTYPE_INT }, \ 
	{ "physmem", CTLTYPE_INT }, \ 
	{ "usermem", CTLTYPE_INT }, \ 
	{ "pagesize", CTLTYPE_INT }, \ 
	{ "disknames", CTLTYPE_STRUCT }, \ 
	{ "diskstats", CTLTYPE_STRUCT }, \ 
} 
 
/* 
 * CTL_USER definitions 
 */ 
#define	USER_CS_PATH		 1	/* string: _CS_PATH */ 
#define	USER_BC_BASE_MAX	 2	/* int: BC_BASE_MAX */ 
#define	USER_BC_DIM_MAX		 3	/* int: BC_DIM_MAX */ 
#define	USER_BC_SCALE_MAX	 4	/* int: BC_SCALE_MAX */ 
#define	USER_BC_STRING_MAX	 5	/* int: BC_STRING_MAX */ 
#define	USER_COLL_WEIGHTS_MAX	 6	/* int: COLL_WEIGHTS_MAX */ 
#define	USER_EXPR_NEST_MAX	 7	/* int: EXPR_NEST_MAX */ 
#define	USER_LINE_MAX		 8	/* int: LINE_MAX */ 
#define	USER_RE_DUP_MAX		 9	/* int: RE_DUP_MAX */ 
#define	USER_POSIX2_VERSION	10	/* int: POSIX2_VERSION */ 
#define	USER_POSIX2_C_BIND	11	/* int: POSIX2_C_BIND */ 
#define	USER_POSIX2_C_DEV	12	/* int: POSIX2_C_DEV */ 
#define	USER_POSIX2_CHAR_TERM	13	/* int: POSIX2_CHAR_TERM */ 
#define	USER_POSIX2_FORT_DEV	14	/* int: POSIX2_FORT_DEV */ 
#define	USER_POSIX2_FORT_RUN	15	/* int: POSIX2_FORT_RUN */ 
#define	USER_POSIX2_LOCALEDEF	16	/* int: POSIX2_LOCALEDEF */ 
#define	USER_POSIX2_SW_DEV	17	/* int: POSIX2_SW_DEV */ 
#define	USER_POSIX2_UPE		18	/* int: POSIX2_UPE */ 
#define	USER_STREAM_MAX		19	/* int: POSIX2_STREAM_MAX */ 
#define	USER_TZNAME_MAX		20	/* int: POSIX2_TZNAME_MAX */ 
#define	USER_MAXID		21	/* number of valid user ids */ 
 
#define	CTL_USER_NAMES { \ 
	{ 0, 0 }, \ 
	{ "cs_path", CTLTYPE_STRING }, \ 
	{ "bc_base_max", CTLTYPE_INT }, \ 
	{ "bc_dim_max", CTLTYPE_INT }, \ 
	{ "bc_scale_max", CTLTYPE_INT }, \ 
	{ "bc_string_max", CTLTYPE_INT }, \ 
	{ "coll_weights_max", CTLTYPE_INT }, \ 
	{ "expr_nest_max", CTLTYPE_INT }, \ 
	{ "line_max", CTLTYPE_INT }, \ 
	{ "re_dup_max", CTLTYPE_INT }, \ 
	{ "posix2_version", CTLTYPE_INT }, \ 
	{ "posix2_c_bind", CTLTYPE_INT }, \ 
	{ "posix2_c_dev", CTLTYPE_INT }, \ 
	{ "posix2_char_term", CTLTYPE_INT }, \ 
	{ "posix2_fort_dev", CTLTYPE_INT }, \ 
	{ "posix2_fort_run", CTLTYPE_INT }, \ 
	{ "posix2_localedef", CTLTYPE_INT }, \ 
	{ "posix2_sw_dev", CTLTYPE_INT }, \ 
	{ "posix2_upe", CTLTYPE_INT }, \ 
	{ "stream_max", CTLTYPE_INT }, \ 
	{ "tzname_max", CTLTYPE_INT }, \ 
} 
 
/* 
 * CTL_DEBUG definitions 
 * 
 * Second level identifier specifies which debug variable. 
 * Third level identifier specifies which stucture component. 
 */ 
#define	CTL_DEBUG_NAME		0	/* string: variable name */ 
#define	CTL_DEBUG_VALUE		1	/* int: variable value */ 
#define	CTL_DEBUG_MAXID		20 
 
#ifdef	KERNEL 
#ifdef	DEBUG 
/* 
 * CTL_DEBUG variables. 
 * 
 * These are declared as separate variables so that they can be 
 * individually initialized at the location of their associated 
 * variable. The loader prevents multiple use by issuing errors 
 * if a variable is initialized in more than one place. They are 
 * aggregated into an array in debug_sysctl(), so that it can 
 * conveniently locate them when querried. If more debugging 
 * variables are added, they must also be declared here and also 
 * entered into the array. 
 */ 
struct ctldebug { 
	char	*debugname;	/* name of debugging variable */ 
	int	*debugvar;	/* pointer to debugging variable */ 
}; 
extern struct ctldebug debug0, debug1, debug2, debug3, debug4; 
extern struct ctldebug debug5, debug6, debug7, debug8, debug9; 
extern struct ctldebug debug10, debug11, debug12, debug13, debug14; 
extern struct ctldebug debug15, debug16, debug17, debug18, debug19; 
#endif	/* DEBUG */ 
 
/* 
 * Internal sysctl function calling convention: 
 * 
 *	(*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen); 
 * 
 * The name parameter points at the next component of the name to be 
 * interpreted.  The namelen parameter is the number of integers in 
 * the name. 
 */ 
typedef int (sysctlfn) 
    __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *)); 
 
int sysctl_int __P((void *, size_t *, void *, size_t, int *)); 
int sysctl_rdint __P((void *, size_t *, void *, int)); 
int sysctl_string __P((void *, size_t *, void *, size_t, char *, int)); 
int sysctl_rdstring __P((void *, size_t *, void *, char *)); 
int sysctl_rdstruct __P((void *, size_t *, void *, void *, int)); 
void fill_eproc __P((struct proc *, struct eproc *)); 
 
#else	/* !KERNEL */ 
#include  
 
__BEGIN_DECLS 
int	sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 
__END_DECLS 
#endif	/* KERNEL */ 
 
int sysctl_int(void *oldp, size_t *oldlenp, void *newp, size_t newlen, int *valp); 
 
 
#endif	/* !_SYS_SYSCTL_H_ */