1*00b67f09SDavid van Moolenbroek /* $NetBSD: os.c,v 1.5 2014/12/10 04:38:01 christos Exp $ */
2*00b67f09SDavid van Moolenbroek
3*00b67f09SDavid van Moolenbroek /*
4*00b67f09SDavid van Moolenbroek * Copyright (C) 2004, 2007, 2013 Internet Systems Consortium, Inc. ("ISC")
5*00b67f09SDavid van Moolenbroek * Copyright (C) 2000-2002 Internet Software Consortium.
6*00b67f09SDavid van Moolenbroek *
7*00b67f09SDavid van Moolenbroek * Permission to use, copy, modify, and/or distribute this software for any
8*00b67f09SDavid van Moolenbroek * purpose with or without fee is hereby granted, provided that the above
9*00b67f09SDavid van Moolenbroek * copyright notice and this permission notice appear in all copies.
10*00b67f09SDavid van Moolenbroek *
11*00b67f09SDavid van Moolenbroek * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12*00b67f09SDavid van Moolenbroek * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13*00b67f09SDavid van Moolenbroek * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14*00b67f09SDavid van Moolenbroek * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15*00b67f09SDavid van Moolenbroek * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16*00b67f09SDavid van Moolenbroek * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17*00b67f09SDavid van Moolenbroek * PERFORMANCE OF THIS SOFTWARE.
18*00b67f09SDavid van Moolenbroek */
19*00b67f09SDavid van Moolenbroek
20*00b67f09SDavid van Moolenbroek /* Id: os.c,v 1.8 2007/06/19 23:47:19 tbox Exp */
21*00b67f09SDavid van Moolenbroek
22*00b67f09SDavid van Moolenbroek #include <windows.h>
23*00b67f09SDavid van Moolenbroek
24*00b67f09SDavid van Moolenbroek #include <isc/os.h>
25*00b67f09SDavid van Moolenbroek
26*00b67f09SDavid van Moolenbroek static BOOL bInit = FALSE;
27*00b67f09SDavid van Moolenbroek static SYSTEM_INFO SystemInfo;
28*00b67f09SDavid van Moolenbroek
29*00b67f09SDavid van Moolenbroek static void
initialize_action(void)30*00b67f09SDavid van Moolenbroek initialize_action(void) {
31*00b67f09SDavid van Moolenbroek if (bInit)
32*00b67f09SDavid van Moolenbroek return;
33*00b67f09SDavid van Moolenbroek
34*00b67f09SDavid van Moolenbroek GetSystemInfo(&SystemInfo);
35*00b67f09SDavid van Moolenbroek bInit = TRUE;
36*00b67f09SDavid van Moolenbroek }
37*00b67f09SDavid van Moolenbroek
38*00b67f09SDavid van Moolenbroek unsigned int
isc_os_ncpus(void)39*00b67f09SDavid van Moolenbroek isc_os_ncpus(void) {
40*00b67f09SDavid van Moolenbroek long ncpus;
41*00b67f09SDavid van Moolenbroek initialize_action();
42*00b67f09SDavid van Moolenbroek ncpus = SystemInfo.dwNumberOfProcessors;
43*00b67f09SDavid van Moolenbroek if (ncpus <= 0)
44*00b67f09SDavid van Moolenbroek ncpus = 1;
45*00b67f09SDavid van Moolenbroek
46*00b67f09SDavid van Moolenbroek return ((unsigned int)ncpus);
47*00b67f09SDavid van Moolenbroek }
48