1/*-
2 * Copyright (c) 1990, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)nlist.c	8.4 (Berkeley) 4/2/94";
33#endif /* not lint */
34#endif
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$");
38
39#include <sys/types.h>
40#include <sys/sysctl.h>
41
42#include <stddef.h>
43
44#include "ps.h"
45
46fixpt_t	ccpu;				/* kernel _ccpu variable */
47int	nlistread;			/* if nlist already read. */
48unsigned long	mempages;		/* number of pages of phys. memory */
49int	fscale;				/* kernel _fscale variable */
50
51int
52donlist(void)
53{
54	size_t oldlen;
55
56	oldlen = sizeof(ccpu);
57	if (sysctlbyname("kern.ccpu", &ccpu, &oldlen, NULL, 0) == -1)
58		return (1);
59	oldlen = sizeof(fscale);
60	if (sysctlbyname("kern.fscale", &fscale, &oldlen, NULL, 0) == -1)
61		return (1);
62	oldlen = sizeof(mempages);
63	if (sysctlbyname("hw.availpages", &mempages, &oldlen, NULL, 0) == -1)
64		return (1);
65	nlistread = 1;
66	return (0);
67}
68