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glibc  2.9
sysinfo.h
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00001 /* Copyright (C) 1996, 1999, 2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _SYS_SYSINFO_H
00020 #define _SYS_SYSINFO_H      1
00021 
00022 #include <features.h>
00023 
00024 /* Get sysinfo structure from kernel header.  */
00025 #include <linux/kernel.h>
00026 
00027 __BEGIN_DECLS
00028 
00029 /* Returns information on overall system statistics.  */
00030 extern int sysinfo (struct sysinfo *__info) __THROW;
00031 
00032 
00033 /* Return number of configured processors.  */
00034 extern int get_nprocs_conf (void) __THROW;
00035 
00036 /* Return number of available processors.  */
00037 extern int get_nprocs (void) __THROW;
00038 
00039 
00040 /* Return number of physical pages of memory in the system.  */
00041 extern long int get_phys_pages (void) __THROW;
00042 
00043 /* Return number of available physical pages of memory in the system.  */
00044 extern long int get_avphys_pages (void) __THROW;
00045 
00046 __END_DECLS
00047 
00048 #endif /* sys/sysinfo.h */