mman.h 1.6 KB

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  1. /* Copyright (C) 2011-2018 Free Software Foundation, Inc.
  2. The GNU C Library is free software; you can redistribute it and/or
  3. modify it under the terms of the GNU Lesser General Public
  4. License as published by the Free Software Foundation; either
  5. version 2.1 of the License, or (at your option) any later version.
  6. The GNU C Library is distributed in the hope that it will be useful,
  7. but WITHOUT ANY WARRANTY; without even the implied warranty of
  8. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  9. Lesser General Public License for more details.
  10. You should have received a copy of the GNU Lesser General Public
  11. License along with the GNU C Library. If not, see
  12. <http://www.gnu.org/licenses/>. */
  13. #ifndef _SYS_MMAN_H
  14. # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  15. #endif
  16. /* The following definitions basically come from the kernel headers.
  17. But the kernel header is not namespace clean. */
  18. #ifdef __USE_MISC
  19. /* These are Linux-specific. */
  20. # define MAP_NONBLOCK 0x00080 /* Do not block on IO. */
  21. # define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
  22. # define MAP_STACK MAP_GROWSDOWN /* Provide convenience alias. */
  23. # define MAP_LOCKED 0x00200 /* Lock the mapping. */
  24. # define MAP_NORESERVE 0x00400 /* Don't check for reservations. */
  25. # define MAP_DENYWRITE 0x00800 /* ETXTBSY */
  26. # define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
  27. # define MAP_POPULATE 0x00040 /* Populate (prefault) pagetables. */
  28. # define MAP_HUGETLB 0x04000 /* Create huge page mapping. */
  29. #endif
  30. /* Include generic Linux declarations. */
  31. #include <bits/mman-linux.h>