glibc (2.38)
1 /* Copyright (C) 1996-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #ifndef _SYS_SYSINFO_H
19 #define _SYS_SYSINFO_H 1
20
21 #include <features.h>
22
23 /* Get sysinfo structure from kernel header. */
24 #include <linux/kernel.h>
25
26 __BEGIN_DECLS
27
28 /* Returns information on overall system statistics. */
29 extern int sysinfo (struct sysinfo *__info) __THROW;
30
31
32 /* Return number of configured processors. */
33 extern int get_nprocs_conf (void) __THROW;
34
35 /* Return number of available processors. */
36 extern int get_nprocs (void) __THROW;
37
38
39 /* Return number of physical pages of memory in the system. */
40 extern long int get_phys_pages (void) __THROW;
41
42 /* Return number of available physical pages of memory in the system. */
43 extern long int get_avphys_pages (void) __THROW;
44
45 __END_DECLS
46
47 #endif /* sys/sysinfo.h */
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