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Annotation of embedaddon/ntp/lib/isc/win32/os.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
                      3:  * Copyright (C) 2000-2002  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.c,v 1.8 2007/06/19 23:47:19 tbox Exp $ */
                     19: 
                     20: #include <windows.h>
                     21: 
                     22: #include <isc/os.h>
                     23: 
                     24: static BOOL bInit = FALSE;
                     25: static SYSTEM_INFO SystemInfo;
                     26: 
                     27: static void
                     28: initialize_action(void) {
                     29:        if (bInit)
                     30:                return;
                     31:        
                     32:        GetSystemInfo(&SystemInfo);
                     33:        bInit = TRUE;
                     34: }
                     35: 
                     36: unsigned int
                     37: isc_os_ncpus(void) {
                     38:        long ncpus = 1;
                     39:        initialize_action();
                     40:        ncpus = SystemInfo.dwNumberOfProcessors;
                     41:        if (ncpus <= 0)
                     42:                ncpus = 1;
                     43: 
                     44:        return ((unsigned int)ncpus);
                     45: }