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1/* System dependent pieces of sysconf; Mach version
2 Copyright (C) 1996-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19#include <errno.h>
20#include <mach.h>
21#include <hurd.h>
22#include <sys/sysinfo.h>
23
24
25/* Return the number of processors configured on the system. */
26int
27__get_nprocs_conf (void)
28{
29 struct host_basic_info hbi;
30 kern_return_t err;
31 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
32
33 err = __host_info (__mach_host_self (), HOST_BASIC_INFO,
34 (host_info_t) &hbi, &cnt);
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}
42libc_hidden_def (__get_nprocs_conf)
43weak_alias (__get_nprocs_conf, get_nprocs_conf)
44
45/* Return the number of processors currently available on the system. */
46int
47__get_nprocs (void)
48{
49 struct host_basic_info hbi;
50 kern_return_t err;
51 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
52
53 err = __host_info (__mach_host_self (), HOST_BASIC_INFO,
54 (host_info_t) &hbi, &cnt);
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}
62libc_hidden_def (__get_nprocs)
63weak_alias (__get_nprocs, get_nprocs)
64
65/* Return the number of physical pages on the system. */
66long int
67__get_phys_pages (void)
68{
69 struct host_basic_info hbi;
70 kern_return_t err;
71 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
72
73 err = __host_info (__mach_host_self (), HOST_BASIC_INFO,
74 (host_info_t) &hbi, &cnt);
75 if (err)
76 return __hurd_fail (err);
77 else if (cnt != HOST_BASIC_INFO_COUNT)
78 return __hurd_fail (EIEIO);
79
80 return hbi.memory_size / __vm_page_size;
81}
82libc_hidden_def (__get_phys_pages)
83weak_alias (__get_phys_pages, get_phys_pages)
84
85/* Return the number of available physical pages */
86long int
87__get_avphys_pages (void)
88{
89 vm_statistics_data_t vs;
90 kern_return_t err;
91
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
101 err = __vm_statistics (__mach_task_self (), &vs);
102#endif
103 if (err)
104 return __hurd_fail (err);
105
106 return vs.free_count;
107}
108libc_hidden_def (__get_avphys_pages)
109weak_alias (__get_avphys_pages, get_avphys_pages)
110

Warning: That file was not part of the compilation database. It may have many parsing errors.