/contrib/bind9/lib/isc/include/isc/os.h

 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 */