xref: /illumos-gate/usr/src/lib/libc/port/gen/get_nprocs.c (revision 6a634c9d)
1*23a1cceaSRoger A. Faulkner /*
2*23a1cceaSRoger A. Faulkner  * CDDL HEADER START
3*23a1cceaSRoger A. Faulkner  *
4*23a1cceaSRoger A. Faulkner  * The contents of this file are subject to the terms of the
5*23a1cceaSRoger A. Faulkner  * Common Development and Distribution License (the "License").
6*23a1cceaSRoger A. Faulkner  * You may not use this file except in compliance with the License.
7*23a1cceaSRoger A. Faulkner  *
8*23a1cceaSRoger A. Faulkner  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*23a1cceaSRoger A. Faulkner  * or http://www.opensolaris.org/os/licensing.
10*23a1cceaSRoger A. Faulkner  * See the License for the specific language governing permissions
11*23a1cceaSRoger A. Faulkner  * and limitations under the License.
12*23a1cceaSRoger A. Faulkner  *
13*23a1cceaSRoger A. Faulkner  * When distributing Covered Code, include this CDDL HEADER in each
14*23a1cceaSRoger A. Faulkner  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*23a1cceaSRoger A. Faulkner  * If applicable, add the following below this CDDL HEADER, with the
16*23a1cceaSRoger A. Faulkner  * fields enclosed by brackets "[]" replaced with your own identifying
17*23a1cceaSRoger A. Faulkner  * information: Portions Copyright [yyyy] [name of copyright owner]
18*23a1cceaSRoger A. Faulkner  *
19*23a1cceaSRoger A. Faulkner  * CDDL HEADER END
20*23a1cceaSRoger A. Faulkner  */
21*23a1cceaSRoger A. Faulkner 
22*23a1cceaSRoger A. Faulkner /*
23*23a1cceaSRoger A. Faulkner  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
24*23a1cceaSRoger A. Faulkner  */
25*23a1cceaSRoger A. Faulkner 
26*23a1cceaSRoger A. Faulkner #include "lint.h"
27*23a1cceaSRoger A. Faulkner #include <unistd.h>
28*23a1cceaSRoger A. Faulkner 
29*23a1cceaSRoger A. Faulkner /*
30*23a1cceaSRoger A. Faulkner  * get_nprocs(3C) - return the number of online processors
31*23a1cceaSRoger A. Faulkner  */
32*23a1cceaSRoger A. Faulkner int
get_nprocs(void)33*23a1cceaSRoger A. Faulkner get_nprocs(void)
34*23a1cceaSRoger A. Faulkner {
35*23a1cceaSRoger A. Faulkner 	return ((int)sysconf(_SC_NPROCESSORS_ONLN));
36*23a1cceaSRoger A. Faulkner }
37*23a1cceaSRoger A. Faulkner 
38*23a1cceaSRoger A. Faulkner /*
39*23a1cceaSRoger A. Faulkner  * get_nprocs_conf(3C) - return the number of configured processors
40*23a1cceaSRoger A. Faulkner  */
41*23a1cceaSRoger A. Faulkner int
get_nprocs_conf(void)42*23a1cceaSRoger A. Faulkner get_nprocs_conf(void)
43*23a1cceaSRoger A. Faulkner {
44*23a1cceaSRoger A. Faulkner 	return ((int)sysconf(_SC_NPROCESSORS_CONF));
45*23a1cceaSRoger A. Faulkner }
46