futimens.c 1.4 KB

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  1. /* Change access and modification times of open file. Linux version.
  2. Copyright (C) 2007-2019 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 <errno.h>
  16. #include <fcntl.h>
  17. #include <string.h>
  18. #include <time.h>
  19. #include <sysdep.h>
  20. /* Change the access time of the file associated with FD to TSP[0] and
  21. the modification time of FILE to TSP[1].
  22. Starting with 2.6.22 the Linux kernel has the utimensat syscall which
  23. can be used to implement futimens. */
  24. int
  25. futimens (int fd, const struct timespec tsp[2])
  26. {
  27. if (fd < 0)
  28. return INLINE_SYSCALL_ERROR_RETURN_VALUE (EBADF);
  29. /* Avoid implicit array coercion in syscall macros. */
  30. return INLINE_SYSCALL (utimensat, 4, fd, NULL, &tsp[0], 0);
  31. }