sysdeps/unix/sysv/linux/sys/sysinfo.h

   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 /* Get sysinfo structure from kernel header.  */
  25 #include <linux/kernel.h>
  26
  27 __BEGIN_DECLS
  28
  29 /* Returns information on overall system statistics.  */
  30 extern int sysinfo (struct sysinfo *__info) __THROW;
  31
  32
  33 /* Return number of configured processors.  */
  34 extern int get_nprocs_conf (void) __THROW;
  35
  36 /* Return number of available processors.  */
  37 extern int get_nprocs (void) __THROW;
  38
  39
  40 /* Return number of physical pages of memory in the system.  */
  41 extern long int get_phys_pages (void) __THROW;
  42
  43 /* Return number of available physical pages of memory in the system.  */
  44 extern long int get_avphys_pages (void) __THROW;
  45
  46 __END_DECLS
  47
  48 #endif  /* sys/sysinfo.h */