1 /* Copyright (C) 1996, 1999, 2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
18 #ifndef _SYS_SYSINFO_H
19 #define _SYS_SYSINFO_H 1
23 #ifndef _LINUX_KERNEL_H
24 /* Include our own copy of struct sysinfo to avoid binary compatability
25 * problems with Linux 2.4, which changed things. Grumble, grumble. */
26 #define _LINUX_SYSINFO_H
28 #define SI_LOAD_SHIFT 16
30 long uptime
; /* Seconds since boot */
31 unsigned long loads
[3]; /* 1, 5, and 15 minute load averages */
32 unsigned long totalram
; /* Total usable main memory size */
33 unsigned long freeram
; /* Available memory size */
34 unsigned long sharedram
; /* Amount of shared memory */
35 unsigned long bufferram
; /* Memory used by buffers */
36 unsigned long totalswap
; /* Total swap space size */
37 unsigned long freeswap
; /* swap space still available */
38 unsigned short procs
; /* Number of current processes */
39 unsigned short pad
; /* Padding needed for m68k */
40 unsigned long totalhigh
; /* Total high memory size */
41 unsigned long freehigh
; /* Available high memory size */
42 unsigned int mem_unit
; /* Memory unit size in bytes */
43 char _f
[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
49 /* Returns information on overall system statistics. */
50 extern int sysinfo (struct sysinfo
*__info
) __THROW
;
52 /* Return number of configured processors. */
53 #define get_nprocs_conf() (sysconf(_SC_NPROCESSORS_CONF))
55 /* Return number of available processors. */
56 #define get_nprocs() (sysconf(_SC_NPROCESSORS_ONLN))
59 /* Return number of physical pages of memory in the system. */
60 extern long int get_phys_pages (void) __THROW
;
62 /* Return number of available physical pages of memory in the system. */
63 extern long int get_avphys_pages (void) __THROW
;
67 #endif /* sys/sysinfo.h */