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 32 static 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 46 fixpt_t ccpu; /* kernel _ccpu variable */ 47 int nlistread; /* if nlist already read. */ 48 unsigned long mempages; /* number of pages of phys. memory */ 49 int fscale; /* kernel _fscale variable */ 50 51 int 52 donlist(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