os.h revision 302408
1/* 2 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000, 2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: os.h,v 1.12 2007/06/19 23:47:18 tbox Exp $ */ 19 20#ifndef ISC_OS_H 21#define ISC_OS_H 1 22 23/*! \file isc/os.h */ 24 25#include <isc/lang.h> 26 27ISC_LANG_BEGINDECLS 28 29unsigned int 30isc_os_ncpus(void); 31/*%< 32 * Return the number of CPUs available on the system, or 1 if this cannot 33 * be determined. 34 */ 35 36ISC_LANG_ENDDECLS 37 38#endif /* ISC_OS_H */ 39