]>
Commit | Line | Data |
---|---|---|
daf2bb51 | 1 | /* System dependent pieces of sysconf; Mach version |
04277e02 | 2 | Copyright (C) 1996-2019 Free Software Foundation, Inc. |
478b92f0 | 3 | This file is part of the GNU C Library. |
daf2bb51 | 4 | |
478b92f0 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
daf2bb51 | 9 | |
478b92f0 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
daf2bb51 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
daf2bb51 TBB |
18 | |
19 | #include <errno.h> | |
20 | #include <mach.h> | |
21 | #include <hurd.h> | |
7816fbdf TBB |
22 | #include <sys/sysinfo.h> |
23 | ||
24 | ||
25 | /* Return the number of processors configured on the system. */ | |
26 | int | |
60d2f8f3 | 27 | __get_nprocs_conf (void) |
7816fbdf TBB |
28 | { |
29 | struct host_basic_info hbi; | |
30 | kern_return_t err; | |
31 | mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT; | |
478b92f0 | 32 | |
4014b2cf RM |
33 | err = __host_info (__mach_host_self (), HOST_BASIC_INFO, |
34 | (host_info_t) &hbi, &cnt); | |
7816fbdf TBB |
35 | if (err) |
36 | return __hurd_fail (err); | |
37 | else if (cnt != HOST_BASIC_INFO_COUNT) | |
38 | return __hurd_fail (EIEIO); | |
39 | ||
40 | return hbi.max_cpus; | |
41 | } | |
b5648377 | 42 | libc_hidden_def (__get_nprocs_conf) |
b34e12e2 | 43 | weak_alias (__get_nprocs_conf, get_nprocs_conf) |
daf2bb51 TBB |
44 | |
45 | /* Return the number of processors currently available on the system. */ | |
46 | int | |
60d2f8f3 | 47 | __get_nprocs (void) |
daf2bb51 TBB |
48 | { |
49 | struct host_basic_info hbi; | |
50 | kern_return_t err; | |
51 | mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT; | |
478b92f0 | 52 | |
4014b2cf RM |
53 | err = __host_info (__mach_host_self (), HOST_BASIC_INFO, |
54 | (host_info_t) &hbi, &cnt); | |
daf2bb51 TBB |
55 | if (err) |
56 | return __hurd_fail (err); | |
57 | else if (cnt != HOST_BASIC_INFO_COUNT) | |
58 | return __hurd_fail (EIEIO); | |
59 | ||
60 | return hbi.avail_cpus; | |
61 | } | |
b5648377 | 62 | libc_hidden_def (__get_nprocs) |
b34e12e2 | 63 | weak_alias (__get_nprocs, get_nprocs) |
daf2bb51 TBB |
64 | |
65 | /* Return the number of physical pages on the system. */ | |
c967ec3e | 66 | long int |
60d2f8f3 | 67 | __get_phys_pages (void) |
daf2bb51 TBB |
68 | { |
69 | struct host_basic_info hbi; | |
70 | kern_return_t err; | |
71 | mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT; | |
478b92f0 | 72 | |
4014b2cf RM |
73 | err = __host_info (__mach_host_self (), HOST_BASIC_INFO, |
74 | (host_info_t) &hbi, &cnt); | |
daf2bb51 TBB |
75 | if (err) |
76 | return __hurd_fail (err); | |
77 | else if (cnt != HOST_BASIC_INFO_COUNT) | |
78 | return __hurd_fail (EIEIO); | |
478b92f0 | 79 | |
daf2bb51 TBB |
80 | return hbi.memory_size / __vm_page_size; |
81 | } | |
b5648377 | 82 | libc_hidden_def (__get_phys_pages) |
b34e12e2 | 83 | weak_alias (__get_phys_pages, get_phys_pages) |
daf2bb51 TBB |
84 | |
85 | /* Return the number of available physical pages */ | |
c967ec3e | 86 | long int |
60d2f8f3 | 87 | __get_avphys_pages (void) |
daf2bb51 TBB |
88 | { |
89 | vm_statistics_data_t vs; | |
90 | kern_return_t err; | |
91 | ||
9ce8b3c8 RM |
92 | #ifdef HOST_VM_INFO |
93 | { | |
94 | mach_msg_type_number_t count = HOST_VM_INFO_COUNT; | |
95 | err = __host_info (__mach_host_self (), HOST_VM_INFO, | |
96 | (host_info_t) &vs, &count); | |
97 | if (!err && count < HOST_VM_INFO_COUNT) | |
98 | err = EGRATUITOUS; | |
99 | } | |
100 | #else | |
daf2bb51 | 101 | err = __vm_statistics (__mach_task_self (), &vs); |
9ce8b3c8 | 102 | #endif |
daf2bb51 TBB |
103 | if (err) |
104 | return __hurd_fail (err); | |
478b92f0 | 105 | |
daf2bb51 TBB |
106 | return vs.free_count; |
107 | } | |
b5648377 | 108 | libc_hidden_def (__get_avphys_pages) |
b34e12e2 | 109 | weak_alias (__get_avphys_pages, get_avphys_pages) |