herrno.c 1.1 KB

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  1. /* Copyright (C) 1996,97,98,2002 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 <features.h>
  15. #include <netdb.h>
  16. #undef h_errno
  17. #include <tls.h>
  18. /* We need to have the error status variable of the resolver
  19. accessible in the libc. */
  20. extern __thread int h_errno;
  21. /* When threaded, h_errno may be a per-thread variable. */
  22. int *
  23. __h_errno_location (void)
  24. {
  25. return &h_errno;
  26. }