ftrylockfile.c 1.1 KB

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  1. /* Copyright (C) 2002-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
  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 <pthread.h>
  17. #include <stdio.h>
  18. #include <stdio-lock.h>
  19. int
  20. __ftrylockfile (FILE *stream)
  21. {
  22. return _IO_lock_trylock (*stream->_lock);
  23. }
  24. strong_alias (__ftrylockfile, _IO_ftrylockfile)
  25. weak_alias (__ftrylockfile, ftrylockfile)