tst-tls4moda.c 1.4 KB

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  1. /* Copyright (C) 2003 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
  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 <stdio.h>
  16. #include <stdlib.h>
  17. #include <unistd.h>
  18. #include <tls.h>
  19. #if HAVE___THREAD && defined HAVE_TLS_MODEL_ATTRIBUTE
  20. static __thread unsigned char foo [32]
  21. __attribute__ ((tls_model ("initial-exec"), aligned (sizeof (void *))));
  22. void
  23. test1 (void)
  24. {
  25. size_t s;
  26. for (s = 0; s < sizeof (foo); ++s)
  27. {
  28. if (foo [s])
  29. abort ();
  30. foo [s] = s;
  31. }
  32. }
  33. void
  34. test2 (void)
  35. {
  36. size_t s;
  37. for (s = 0; s < sizeof (foo); ++s)
  38. {
  39. if (foo [s] != s)
  40. abort ();
  41. foo [s] = sizeof (foo) - s;
  42. }
  43. }
  44. #endif