mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 02:50:09 +00:00
c967ec3efd
2001-02-18 Mark Kettenis <kettenis@gnu.org> * sysdeps/mach/getsysstats.c (__get_phys_pages): Change return value to long int. (__get_avphys_pages): Likewise.
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* System dependent pieces of sysconf; Mach version
|
|
Copyright (C) 1996, 97, 99, 2001 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 <errno.h>
|
|
#include <mach.h>
|
|
#include <hurd.h>
|
|
#include <sys/sysinfo.h>
|
|
|
|
|
|
/* Return the number of processors configured on the system. */
|
|
int
|
|
__get_nprocs_conf ()
|
|
{
|
|
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,
|
|
(host_info_t) &hbi, &cnt);
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
else if (cnt != HOST_BASIC_INFO_COUNT)
|
|
return __hurd_fail (EIEIO);
|
|
|
|
return hbi.max_cpus;
|
|
}
|
|
|
|
/* Return the number of processors currently available on the system. */
|
|
int
|
|
__get_nprocs ()
|
|
{
|
|
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,
|
|
(host_info_t) &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. */
|
|
long 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,
|
|
(host_info_t) &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 */
|
|
long 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;
|
|
}
|