shmlba.h 1.1 KB

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  1. /* Define SHMLBA. Generic version.
  2. Copyright (C) 2018-2021 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. <https://www.gnu.org/licenses/>. */
  15. #ifndef _SYS_SHM_H
  16. # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
  17. #endif
  18. __BEGIN_DECLS
  19. /* Segment low boundary address multiple. */
  20. #define SHMLBA (__getpagesize ())
  21. extern int __getpagesize (void) __THROW __attribute__ ((__const__));
  22. __END_DECLS