/*****************************************************************************************
 Copyright (c) 2002-2004 The UbixOS Project
 All rights reserved.

 Redistribution and use in source and binary forms, with or without modification, are
 permitted provided that the following conditions are met:

 Redistributions of source code must retain the above copyright notice, this list of
 conditions, the following disclaimer and the list of authors.  Redistributions in binary
 form must reproduce the above copyright notice, this list of conditions, the following
 disclaimer and the list of authors in the documentation and/or other materials provided
 with the distribution. Neither the name of the UbixOS Project 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 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
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 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 $Id$

*****************************************************************************************/

#ifndef _KERNSYSCTL_H
#define _KERNSYSCTL_H

#include <sys/sysproto.h>
#include <sys/thread.h>

#define CTL_MAXNAME     24      /* largest number of components supported */

/*
 * Top-level identifiers
 */
#define CTL_UNSPEC          0           /* unused */
#define CTL_KERN            1           /* "high kernel": proc, limits */
#define CTL_VM              2           /* virtual memory */
#define CTL_VFS             3           /* filesystem, 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_P1003_1B        9           /* POSIX 1003.1B */
#define CTL_UBIX           10           /* ubixos */

#define CTL_KERN_OPENFILES  1           /* kernel openfiles */

#define EINVAL         -1               /* */

struct sysctl_entry {
  struct sysctl_entry *prev;
  struct sysctl_entry *next;
  struct sysctl_entry *children;
  char                 name[32];
  int                  id;
  void                *value;
  int                  val_len;
  };

int kern_sysctl(int *name,u_int namelen,void *old,size_t *oldlenp,void *new,size_t newlen,size_t *retval,int flags);
int sysctl_add(int *,int,char *,void *,int);
int sysctl_init();

extern bool sysctl_enabled;
#endif

/***
 END
 ***/