bsd/kern/kern_mib.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*-
  23  * Copyright (c) 1982, 1986, 1989, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * This code is derived from software contributed to Berkeley by
  27  * Mike Karels at Berkeley Software Design, Inc.
  28  *
  29  * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD
  30  * project, to make these variables more userfriendly.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)kern_sysctl.c       8.4 (Berkeley) 4/14/94
  61  */
  62
  63 #include <sys/param.h>
  64 #include <sys/kernel.h>
  65 #include <sys/systm.h>
  66 #include <sys/sysctl.h>
  67 #include <sys/proc.h>
  68 #include <sys/unistd.h>
  69
  70 #if defined(SMP)
  71 #include <machine/smp.h>
  72 #endif
  73
  74 SYSCTL_NODE(, 0,          sysctl, CTLFLAG_RW, 0,
  75         "Sysctl internal magic");
  76 SYSCTL_NODE(, CTL_KERN,   kern,   CTLFLAG_RW, 0,
  77         "High kernel, proc, limits &c");
  78 SYSCTL_NODE(, CTL_VM,     vm,     CTLFLAG_RW, 0,
  79         "Virtual memory");
  80 SYSCTL_NODE(, CTL_VFS,    vfs,     CTLFLAG_RW, 0,
  81         "File system");
  82 SYSCTL_NODE(, CTL_NET,    net,    CTLFLAG_RW, 0,
  83         "Network, (see socket.h)");
  84 SYSCTL_NODE(, CTL_DEBUG,  debug,  CTLFLAG_RW, 0,
  85         "Debugging");
  86 SYSCTL_NODE(, CTL_HW,     hw,     CTLFLAG_RW, 0,
  87         "hardware");
  88 SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0,
  89         "machine dependent");
  90 SYSCTL_NODE(, CTL_USER,   user,   CTLFLAG_RW, 0,
  91         "user-level");
  92