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

   1 /* Copyright (C) 1996-2014 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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _SYS_SYSINFO_H
  19 #define _SYS_SYSINFO_H  1
  20
  21 #include <features.h>
  22
  23 /* Get sysinfo structure from kernel header.  */
  24 #include <linux/kernel.h>
  25
  26 __BEGIN_DECLS
  27
  28 /* Returns information on overall system statistics.  */
  29 extern int sysinfo (struct sysinfo *__info) __THROW;
  30
  31
  32 /* Return number of configured processors.  */
  33 extern int get_nprocs_conf (void) __THROW;
  34
  35 /* Return number of available processors.  */
  36 extern int get_nprocs (void) __THROW;
  37
  38
  39 /* Return number of physical pages of memory in the system.  */
  40 extern long int get_phys_pages (void) __THROW;
  41
  42 /* Return number of available physical pages of memory in the system.  */
  43 extern long int get_avphys_pages (void) __THROW;
  44
  45 __END_DECLS
  46
  47 #endif  /* sys/sysinfo.h */