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