1 /* $NetBSD: os.h,v 1.1 2024/02/18 20:57:53 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #ifndef ISC_OS_H 17 #define ISC_OS_H 1 18 19 /*! \file isc/os.h */ 20 21 #include <isc/lang.h> 22 23 ISC_LANG_BEGINDECLS 24 25 unsigned int 26 isc_os_ncpus(void); 27 /*%< 28 * Return the number of CPUs available on the system, or 1 if this cannot 29 * be determined. 30 */ 31 32 ISC_LANG_ENDDECLS 33 34 #endif /* ISC_OS_H */ 35