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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __FBSDID("$FreeBSD$"); 37 38 #if 0 39 #ifndef lint 40 static char sccsid[] = "@(#)nlist.c 8.4 (Berkeley) 4/2/94"; 41 #endif /* not lint */ 42 #endif 43 44 #include <sys/types.h> 45 #include <sys/sysctl.h> 46 47 #include <stddef.h> 48 49 #include "ps.h" 50 51 fixpt_t ccpu; /* kernel _ccpu variable */ 52 int nlistread; /* if nlist already read. */ 53 int mempages; /* number of pages of phys. memory */ 54 int fscale; /* kernel _fscale variable */ 55 56 int 57 donlist(void) 58 { 59 size_t oldlen; 60 61 oldlen = sizeof(ccpu); 62 if (sysctlbyname("kern.ccpu", &ccpu, &oldlen, NULL, 0) < 0) 63 return (1); 64 oldlen = sizeof(fscale); 65 if (sysctlbyname("kern.fscale", &fscale, &oldlen, NULL, 0) < 0) 66 return (1); 67 oldlen = sizeof(mempages); 68 if (sysctlbyname("hw.availpages", &mempages, &oldlen, NULL, 0) < 0) 69 return (1); 70 nlistread = 1; 71 return (0); 72 } 73