323 lines
7.8 KiB
C
323 lines
7.8 KiB
C
/* $NetBSD: kern_info_43.c,v 1.6 1996/05/18 01:24:34 christos Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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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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* @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/filedesc.h>
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#include <sys/kernel.h>
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#include <sys/vnode.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <sys/syslog.h>
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#include <sys/unistd.h>
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#include <sys/resourcevar.h>
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#include <vm/vm.h>
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#include <sys/sysctl.h>
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#include <sys/mount.h>
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#include <sys/syscallargs.h>
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int
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compat_43_sys_getdtablesize(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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*retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles);
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return (0);
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}
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/* ARGSUSED */
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int
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compat_43_sys_gethostid(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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*(int32_t *)retval = hostid;
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return (0);
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}
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/*ARGSUSED*/
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int
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compat_43_sys_gethostname(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_43_sys_gethostname_args /* {
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syscallarg(char *) hostname;
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syscallarg(u_int) len;
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} */ *uap = v;
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int name;
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size_t sz;
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name = KERN_HOSTNAME;
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sz = SCARG(uap, len);
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return (kern_sysctl(&name, 1, SCARG(uap, hostname), &sz, 0, 0, p));
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}
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#define KINFO_PROC (0<<8)
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#define KINFO_RT (1<<8)
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#define KINFO_VNODE (2<<8)
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#define KINFO_FILE (3<<8)
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#define KINFO_METER (4<<8)
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#define KINFO_LOADAVG (5<<8)
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#define KINFO_CLOCKRATE (6<<8)
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#define KINFO_BSDI_SYSINFO (101<<8)
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/*
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* The string data is appended to the end of the bsdi_si structure during
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* copyout. The "char *" offsets in the bsdi_si struct are relative to the
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* base of the bsdi_si struct.
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*/
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struct bsdi_si {
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char *machine;
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char *cpu_model;
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long ncpu;
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long cpuspeed;
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long hwflags;
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u_long physmem;
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u_long usermem;
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u_long pagesize;
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char *ostype;
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char *osrelease;
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long os_revision;
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long posix1_version;
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char *version;
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long hz;
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long profhz;
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int ngroups_max;
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long arg_max;
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long open_max;
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long child_max;
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struct timeval boottime;
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char *hostname;
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};
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int
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compat_43_sys_getkerninfo(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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register struct compat_43_sys_getkerninfo_args /* {
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syscallarg(int) op;
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syscallarg(char *) where;
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syscallarg(int *) size;
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syscallarg(int) arg;
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} */ *uap = v;
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int error, name[5];
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size_t size;
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if (SCARG(uap, size) && (error = copyin((caddr_t)SCARG(uap, size),
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(caddr_t)&size, sizeof(size))))
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return (error);
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switch (SCARG(uap, op) & 0xff00) {
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case KINFO_RT:
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name[0] = PF_ROUTE;
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name[1] = 0;
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name[2] = (SCARG(uap, op) & 0xff0000) >> 16;
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name[3] = SCARG(uap, op) & 0xff;
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name[4] = SCARG(uap, arg);
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error =
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net_sysctl(name, 5, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_VNODE:
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name[0] = KERN_VNODE;
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error =
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kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_PROC:
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name[0] = KERN_PROC;
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name[1] = SCARG(uap, op) & 0xff;
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name[2] = SCARG(uap, arg);
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error =
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kern_sysctl(name, 3, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_FILE:
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name[0] = KERN_FILE;
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error =
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kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_METER:
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name[0] = VM_METER;
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error =
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vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_LOADAVG:
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name[0] = VM_LOADAVG;
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error =
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vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_CLOCKRATE:
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name[0] = KERN_CLOCKRATE;
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error =
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kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
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break;
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case KINFO_BSDI_SYSINFO:
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{
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size_t len;
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struct bsdi_si *usi =
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(struct bsdi_si *) SCARG(uap, where);
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struct bsdi_si ksi;
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char *us = (char *) &usi[1];
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extern struct timeval boottime;
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extern char ostype[], osrelease[], machine[],
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hostname[], cpu_model[], version[];
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if (usi == NULL) {
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size = sizeof(ksi) +
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strlen(ostype) + strlen(cpu_model) +
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strlen(osrelease) + strlen(machine) +
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strlen(version) + strlen(hostname) + 6;
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error = 0;
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break;
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}
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#define COPY(fld) \
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ksi.fld = us - (u_long) usi; \
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if ((error = copyoutstr(fld, us, 1024, &len)) != 0)\
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return error; \
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us += len
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COPY(machine);
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COPY(cpu_model);
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ksi.ncpu = 1; /* XXX */
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ksi.cpuspeed = 40; /* XXX */
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ksi.hwflags = 0; /* XXX */
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ksi.physmem = ctob(physmem);
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ksi.usermem = ctob(physmem); /* XXX */
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ksi.pagesize = PAGE_SIZE;
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COPY(ostype);
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COPY(osrelease);
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ksi.os_revision = NetBSD; /* XXX */
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ksi.posix1_version = _POSIX_VERSION;
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COPY(version); /* XXX */
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ksi.hz = hz;
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ksi.profhz = profhz;
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ksi.ngroups_max = NGROUPS_MAX;
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ksi.arg_max = ARG_MAX;
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ksi.open_max = OPEN_MAX;
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ksi.child_max = CHILD_MAX;
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ksi.boottime = boottime;
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COPY(hostname);
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size = (us - (char *) &usi[1]) + sizeof(ksi);
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if ((error = copyout(&ksi, usi, sizeof(ksi))) != 0)
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return error;
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}
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break;
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default:
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return (EOPNOTSUPP);
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}
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if (error)
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return (error);
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*retval = size;
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if (SCARG(uap, size))
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error = copyout((caddr_t)&size, (caddr_t)SCARG(uap, size),
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sizeof(size));
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return (error);
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}
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/* ARGSUSED */
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int
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compat_43_sys_sethostid(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_43_sys_sethostid_args /* {
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syscallarg(int32_t) hostid;
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} */ *uap = v;
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int error;
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if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
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return (error);
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hostid = SCARG(uap, hostid);
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return (0);
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}
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/* ARGSUSED */
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int
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compat_43_sys_sethostname(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_43_sys_sethostname_args *uap = v;
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int name;
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int error;
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if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
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return (error);
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name = KERN_HOSTNAME;
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return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, hostname),
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SCARG(uap, len), p));
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}
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