tst-sem2.c 1.4 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 <semaphore.h>
  18. #include <signal.h>
  19. #include <stdio.h>
  20. #include <unistd.h>
  21. static int do_test (void);
  22. #define TEST_FUNCTION do_test ()
  23. #include "../test-skeleton.c"
  24. static int
  25. do_test (void)
  26. {
  27. sem_t s;
  28. if (sem_init (&s, 0, 0) == -1)
  29. {
  30. puts ("init failed");
  31. return 1;
  32. }
  33. delayed_exit (1);
  34. if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
  35. {
  36. puts ("wait failed");
  37. return 1;
  38. }
  39. /* We should never get here. */
  40. puts ("wait succeeded");
  41. return 1;
  42. }