1 /* $NetBSD: os.h,v 1.4 2014/12/10 04:38:00 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000, 2001 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.h,v 1.12 2007/06/19 23:47:18 tbox Exp */ 21 22 #ifndef ISC_OS_H 23 #define ISC_OS_H 1 24 25 /*! \file isc/os.h */ 26 27 #include <isc/lang.h> 28 29 ISC_LANG_BEGINDECLS 30 31 unsigned int 32 isc_os_ncpus(void); 33 /*%< 34 * Return the number of CPUs available on the system, or 1 if this cannot 35 * be determined. 36 */ 37 38 ISC_LANG_ENDDECLS 39 40 #endif /* ISC_OS_H */ 41