mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-24 13:33:08 +03:00
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/* System dependent pieces of sysconf; Mach version
|
|
Copyright (C) 1996,97,99,2001,02 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#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;
|
|
}
|
|
weak_alias (__get_nprocs_conf, get_nprocs_conf)
|
|
|
|
/* 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;
|
|
}
|
|
weak_alias (__get_nprocs, get_nprocs)
|
|
|
|
/* 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;
|
|
}
|
|
weak_alias (__get_phys_pages, get_phys_pages)
|
|
|
|
/* Return the number of available physical pages */
|
|
long int
|
|
__get_avphys_pages ()
|
|
{
|
|
vm_statistics_data_t vs;
|
|
kern_return_t err;
|
|
|
|
#ifdef HOST_VM_INFO
|
|
{
|
|
mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
|
|
err = __host_info (__mach_host_self (), HOST_VM_INFO,
|
|
(host_info_t) &vs, &count);
|
|
if (!err && count < HOST_VM_INFO_COUNT)
|
|
err = EGRATUITOUS;
|
|
}
|
|
#else
|
|
err = __vm_statistics (__mach_task_self (), &vs);
|
|
#endif
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
|
|
return vs.free_count;
|
|
}
|
|
weak_alias (__get_avphys_pages, get_avphys_pages)
|