1 /* $NetBSD: os.c,v 1.1.1.1 2009/12/13 16:54:44 kardel Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000-2002 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: os.c,v 1.8 2007/06/19 23:47:19 tbox Exp */ 21 22 #include <windows.h> 23 24 #include <isc/os.h> 25 26 static BOOL bInit = FALSE; 27 static SYSTEM_INFO SystemInfo; 28 29 static void 30 initialize_action(void) { 31 if (bInit) 32 return; 33 34 GetSystemInfo(&SystemInfo); 35 bInit = TRUE; 36 } 37 38 unsigned int 39 isc_os_ncpus(void) { 40 long ncpus = 1; 41 initialize_action(); 42 ncpus = SystemInfo.dwNumberOfProcessors; 43 if (ncpus <= 0) 44 ncpus = 1; 45 46 return ((unsigned int)ncpus); 47 } 48