param.h 1.4 KB

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  1. /* Old-style Unix parameters and limits. Linux version.
  2. Copyright (C) 1995-2016 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  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. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #ifndef _SYS_PARAM_H
  16. # error "Never use <bits/param.h> directly; include <sys/param.h> instead."
  17. #endif
  18. #ifndef ARG_MAX
  19. # define __undef_ARG_MAX
  20. #endif
  21. #include <linux/limits.h>
  22. #include <linux/param.h>
  23. /* The kernel headers define ARG_MAX. The value is wrong, though. */
  24. #ifdef __undef_ARG_MAX
  25. # undef ARG_MAX
  26. # undef __undef_ARG_MAX
  27. #endif
  28. #define MAXSYMLINKS 20
  29. /* The following are not really correct but it is a value we used for a
  30. long time and which seems to be usable. People should not use NOFILE
  31. and NCARGS anyway. */
  32. #define NOFILE 256
  33. #define NCARGS 131072