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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/usr/include/sys/
1/* Copyright (C) 1996, 1999, 2001 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, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.  */
18
19#ifndef _SYS_SYSINFO_H
20#define _SYS_SYSINFO_H	1
21
22#include <features.h>
23
24#ifndef _LINUX_KERNEL_H
25/* Include our own copy of struct sysinfo to avoid binary compatability
26 * problems with Linux 2.4, which changed things.  Grumble, grumble. */
27#define SI_LOAD_SHIFT	16
28struct sysinfo {
29	long uptime;			/* Seconds since boot */
30	unsigned long loads[3];		/* 1, 5, and 15 minute load averages */
31	unsigned long totalram;		/* Total usable main memory size */
32	unsigned long freeram;		/* Available memory size */
33	unsigned long sharedram;	/* Amount of shared memory */
34	unsigned long bufferram;	/* Memory used by buffers */
35	unsigned long totalswap;	/* Total swap space size */
36	unsigned long freeswap;		/* swap space still available */
37	unsigned short procs;		/* Number of current processes */
38	unsigned short pad;			/* Padding needed for m68k */
39	unsigned long totalhigh;	/* Total high memory size */
40	unsigned long freehigh;		/* Available high memory size */
41	unsigned int mem_unit;		/* Memory unit size in bytes */
42	char _f[20-2*sizeof(long)-sizeof(int)];	/* Padding: libc5 uses this.. */
43};
44#endif
45
46__BEGIN_DECLS
47
48/* Returns information on overall system statistics.  */
49extern int sysinfo (struct sysinfo *__info) __THROW;
50
51/* Return number of configured processors.  */
52#define get_nprocs_conf() (sysconf(_SC_NPROCESSORS_CONF))
53
54/* Return number of available processors.  */
55#define get_nprocs() (sysconf(_SC_NPROCESSORS_ONLN))
56
57
58#if 0
59/* Return number of physical pages of memory in the system.  */
60extern long int get_phys_pages (void) __THROW;
61
62/* Return number of available physical pages of memory in the system.  */
63extern long int get_avphys_pages (void) __THROW;
64#endif
65
66__END_DECLS
67
68#endif	/* sys/sysinfo.h */
69