sysdeps/unix/sysv/linux/bits/param.h

   1 /* Old-style Unix parameters and limits.  Linux version.
   2    Copyright (C) 1995-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_PARAM_H
  20 # error "Never use <bits/param.h> directly; include <sys/param.h> instead."
  21 #endif
  22
  23 #ifndef ARG_MAX
  24 # define __undef_ARG_MAX
  25 #endif
  26
  27 #include <linux/limits.h>
  28 #include <linux/param.h>
  29
  30 /* The kernel headers define ARG_MAX.  The value is wrong, though.  */
  31 #ifdef __undef_ARG_MAX
  32 # undef ARG_MAX
  33 # undef __undef_ARG_MAX
  34 #endif
  35
  36 #define MAXSYMLINKS     20
  37
  38 /* The following are not really correct but it is a value we used for a
  39    long time and which seems to be usable.  People should not use NOFILE
  40    and NCARGS anyway.  */
  41 #define NOFILE          256
  42 #define NCARGS          131072