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/* System dependent pieces of sysconf; Mach version
Copyright (C) 1996 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include <mach.h>
#include <hurd.h>
/* Return the number of processors currently available on the system. */
int
__get_nproc ()
{
struct host_basic_info hbi;
kern_return_t err;
mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
if (err)
return __hurd_fail (err);
else if (cnt != HOST_BASIC_INFO_COUNT)
return __hurd_fail (EIEIO);
return hbi.avail_cpus;
}
/* Return the number of physical pages on the system. */
int
__get_phys_pages ()
{
struct host_basic_info hbi;
kern_return_t err;
mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
if (err)
return __hurd_fail (err);
else if (cnt != HOST_BASIC_INFO_COUNT)
return __hurd_fail (EIEIO);
return hbi.memory_size / __vm_page_size;
}
/* Return the number of available physical pages */
int
__get_avphys_pages ()
{
vm_statistics_data_t vs;
kern_return_t err;
err = __vm_statistics (__mach_task_self (), &vs);
if (err)
return __hurd_fail (err);
return vs.free_count;
}
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