tst-once1.c 1.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
  1. /* Copyright (C) 2002 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 <pthread.h>
  16. #include <stdio.h>
  17. static pthread_once_t once = PTHREAD_ONCE_INIT;
  18. static int global;
  19. static void
  20. once_handler (void)
  21. {
  22. ++global;
  23. }
  24. static int
  25. do_test (void)
  26. {
  27. pthread_once (&once, once_handler);
  28. pthread_once (&once, once_handler);
  29. if (global != 1)
  30. {
  31. printf ("global = %d, expected 1\n", global);
  32. return 1;
  33. }
  34. return 0;
  35. }
  36. #define TEST_FUNCTION do_test ()
  37. #include "../test-skeleton.c"