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/* System dependent pieces of sysconf; Mach version
Copyright (C) 1996-2022 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
<https://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 (void)
{
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;
}
libc_hidden_def (__get_nprocs_conf)
weak_alias (__get_nprocs_conf, get_nprocs_conf)
/* Return the number of processors currently available on the system. */
int
__get_nprocs (void)
{
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;
}
libc_hidden_def (__get_nprocs)
weak_alias (__get_nprocs, get_nprocs)
int
__get_nprocs_sched (void)
{
return __get_nprocs ();
}
/* Return the number of physical pages on the system. */
long int
__get_phys_pages (void)
{
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;
}
libc_hidden_def (__get_phys_pages)
weak_alias (__get_phys_pages, get_phys_pages)
/* Return the number of available physical pages */
long int
__get_avphys_pages (void)
{
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;
}
libc_hidden_def (__get_avphys_pages)
weak_alias (__get_avphys_pages, get_avphys_pages)
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