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/* Determine whether the host has multiple processors. FreeBSD version.
Copyright (C) 1996, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/sysctl.h>
/* Test whether the machine has more than one processor. */
static inline int
is_smp_system (void)
{
/* Fetch sysctl value of "hw.ncpu". */
int request[] = { CTL_HW, HW_NCPU };
int result;
size_t result_len = sizeof (result);
if (__sysctl (request, 2, &result, &result_len, NULL, 0) < 0)
/* Dummy result. */
return 0;
return (result > 1);
}
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