1 /* System dependent pieces of sysconf; Mach version
2 Copyright (C) 1996-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
22 #include <sys/sysinfo.h>
25 /* Return the number of processors configured on the system. */
27 __get_nprocs_conf (void)
29 struct host_basic_info hbi
;
31 mach_msg_type_number_t cnt
= HOST_BASIC_INFO_COUNT
;
33 err
= __host_info (__mach_host_self (), HOST_BASIC_INFO
,
34 (host_info_t
) &hbi
, &cnt
);
36 return __hurd_fail (err
);
37 else if (cnt
!= HOST_BASIC_INFO_COUNT
)
38 return __hurd_fail (EIEIO
);
42 weak_alias (__get_nprocs_conf
, get_nprocs_conf
)
44 /* Return the number of processors currently available on the system. */
48 struct host_basic_info hbi
;
50 mach_msg_type_number_t cnt
= HOST_BASIC_INFO_COUNT
;
52 err
= __host_info (__mach_host_self (), HOST_BASIC_INFO
,
53 (host_info_t
) &hbi
, &cnt
);
55 return __hurd_fail (err
);
56 else if (cnt
!= HOST_BASIC_INFO_COUNT
)
57 return __hurd_fail (EIEIO
);
59 return hbi
.avail_cpus
;
61 weak_alias (__get_nprocs
, get_nprocs
)
63 /* Return the number of physical pages on the system. */
65 __get_phys_pages (void)
67 struct host_basic_info hbi
;
69 mach_msg_type_number_t cnt
= HOST_BASIC_INFO_COUNT
;
71 err
= __host_info (__mach_host_self (), HOST_BASIC_INFO
,
72 (host_info_t
) &hbi
, &cnt
);
74 return __hurd_fail (err
);
75 else if (cnt
!= HOST_BASIC_INFO_COUNT
)
76 return __hurd_fail (EIEIO
);
78 return hbi
.memory_size
/ __vm_page_size
;
80 weak_alias (__get_phys_pages
, get_phys_pages
)
82 /* Return the number of available physical pages */
84 __get_avphys_pages (void)
86 vm_statistics_data_t vs
;
91 mach_msg_type_number_t count
= HOST_VM_INFO_COUNT
;
92 err
= __host_info (__mach_host_self (), HOST_VM_INFO
,
93 (host_info_t
) &vs
, &count
);
94 if (!err
&& count
< HOST_VM_INFO_COUNT
)
98 err
= __vm_statistics (__mach_task_self (), &vs
);
101 return __hurd_fail (err
);
103 return vs
.free_count
;
105 weak_alias (__get_avphys_pages
, get_avphys_pages
)