| /* System dependent pieces of sysconf; Mach version |
| Copyright (C) 1996-2016 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 (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; |
| } |
| 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; |
| } |
| weak_alias (__get_nprocs, 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; |
| } |
| 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; |
| } |
| weak_alias (__get_avphys_pages, get_avphys_pages) |