xref: /onnv-gate/usr/src/lib/libc/port/gen/get_nprocs.c (revision 13093:48f2dbca79a2)
1*13093SRoger.Faulkner@Oracle.COM /*
2*13093SRoger.Faulkner@Oracle.COM  * CDDL HEADER START
3*13093SRoger.Faulkner@Oracle.COM  *
4*13093SRoger.Faulkner@Oracle.COM  * The contents of this file are subject to the terms of the
5*13093SRoger.Faulkner@Oracle.COM  * Common Development and Distribution License (the "License").
6*13093SRoger.Faulkner@Oracle.COM  * You may not use this file except in compliance with the License.
7*13093SRoger.Faulkner@Oracle.COM  *
8*13093SRoger.Faulkner@Oracle.COM  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*13093SRoger.Faulkner@Oracle.COM  * or http://www.opensolaris.org/os/licensing.
10*13093SRoger.Faulkner@Oracle.COM  * See the License for the specific language governing permissions
11*13093SRoger.Faulkner@Oracle.COM  * and limitations under the License.
12*13093SRoger.Faulkner@Oracle.COM  *
13*13093SRoger.Faulkner@Oracle.COM  * When distributing Covered Code, include this CDDL HEADER in each
14*13093SRoger.Faulkner@Oracle.COM  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*13093SRoger.Faulkner@Oracle.COM  * If applicable, add the following below this CDDL HEADER, with the
16*13093SRoger.Faulkner@Oracle.COM  * fields enclosed by brackets "[]" replaced with your own identifying
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18*13093SRoger.Faulkner@Oracle.COM  *
19*13093SRoger.Faulkner@Oracle.COM  * CDDL HEADER END
20*13093SRoger.Faulkner@Oracle.COM  */
21*13093SRoger.Faulkner@Oracle.COM 
22*13093SRoger.Faulkner@Oracle.COM /*
23*13093SRoger.Faulkner@Oracle.COM  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
24*13093SRoger.Faulkner@Oracle.COM  */
25*13093SRoger.Faulkner@Oracle.COM 
26*13093SRoger.Faulkner@Oracle.COM #include "lint.h"
27*13093SRoger.Faulkner@Oracle.COM #include <unistd.h>
28*13093SRoger.Faulkner@Oracle.COM 
29*13093SRoger.Faulkner@Oracle.COM /*
30*13093SRoger.Faulkner@Oracle.COM  * get_nprocs(3C) - return the number of online processors
31*13093SRoger.Faulkner@Oracle.COM  */
32*13093SRoger.Faulkner@Oracle.COM int
get_nprocs(void)33*13093SRoger.Faulkner@Oracle.COM get_nprocs(void)
34*13093SRoger.Faulkner@Oracle.COM {
35*13093SRoger.Faulkner@Oracle.COM 	return ((int)sysconf(_SC_NPROCESSORS_ONLN));
36*13093SRoger.Faulkner@Oracle.COM }
37*13093SRoger.Faulkner@Oracle.COM 
38*13093SRoger.Faulkner@Oracle.COM /*
39*13093SRoger.Faulkner@Oracle.COM  * get_nprocs_conf(3C) - return the number of configured processors
40*13093SRoger.Faulkner@Oracle.COM  */
41*13093SRoger.Faulkner@Oracle.COM int
get_nprocs_conf(void)42*13093SRoger.Faulkner@Oracle.COM get_nprocs_conf(void)
43*13093SRoger.Faulkner@Oracle.COM {
44*13093SRoger.Faulkner@Oracle.COM 	return ((int)sysconf(_SC_NPROCESSORS_CONF));
45*13093SRoger.Faulkner@Oracle.COM }
46