munmap.c 1.1 KB

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  1. /* Copyright (C) 1994-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <sys/types.h>
  15. #include <sys/mman.h>
  16. #include <errno.h>
  17. /* Deallocate any mapping for the region starting at ADDR and extending LEN
  18. bytes. Returns 0 if successful, -1 for errors (and sets errno). */
  19. int
  20. __munmap (void *addr, size_t len)
  21. {
  22. __set_errno (ENOSYS);
  23. return -1;
  24. }
  25. stub_warning (munmap)
  26. weak_alias (__munmap, munmap)