msync.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. /* Synchronize the region starting at ADDR and extending LEN bytes with the
  18. file it maps. Filesystem operations on a file being mapped are
  19. unpredictable before this is done. */
  20. int
  21. msync (void *addr, size_t len, int flags)
  22. {
  23. __set_errno (ENOSYS);
  24. return -1;
  25. }
  26. stub_warning (msync)