madvise.c 1.2 KB

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  1. /* Advise system about intentions for a memory region. Stub version.
  2. Copyright (C) 1994-2019 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. #include <sys/types.h>
  16. #include <sys/mman.h>
  17. #include <errno.h>
  18. /* Advise the system about particular usage patterns the program follows
  19. for the region starting at ADDR and extending LEN bytes. */
  20. int
  21. __madvise (void *addr, size_t len, int advice)
  22. {
  23. __set_errno (ENOSYS);
  24. return -1;
  25. }
  26. libc_hidden_def (__madvise)
  27. weak_alias (__madvise, madvise)
  28. stub_warning (madvise)