tst-sem10.c 2.2 KB

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  1. /* Copyright (C) 2007 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
  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, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <errno.h>
  17. #include <pthread.h>
  18. #include <semaphore.h>
  19. #include <stdio.h>
  20. #include <time.h>
  21. #include <unistd.h>
  22. #include <sys/time.h>
  23. static int
  24. do_test (void)
  25. {
  26. sem_t s;
  27. if (sem_init (&s, 0, 0) == -1)
  28. {
  29. puts ("sem_init failed");
  30. return 1;
  31. }
  32. struct timeval tv;
  33. if (gettimeofday (&tv, NULL) != 0)
  34. {
  35. puts ("gettimeofday failed");
  36. return 1;
  37. }
  38. struct timespec ts;
  39. TIMEVAL_TO_TIMESPEC (&tv, &ts);
  40. /* Set ts to yesterday. */
  41. ts.tv_sec -= 86400;
  42. int type_before;
  43. if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0)
  44. {
  45. puts ("first pthread_setcanceltype failed");
  46. return 1;
  47. }
  48. errno = 0;
  49. if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1)
  50. {
  51. puts ("sem_timedwait succeeded");
  52. return 1;
  53. }
  54. if (errno != ETIMEDOUT)
  55. {
  56. printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n",
  57. errno);
  58. return 1;
  59. }
  60. int type_after;
  61. if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0)
  62. {
  63. puts ("second pthread_setcanceltype failed");
  64. return 1;
  65. }
  66. if (type_after != PTHREAD_CANCEL_DEFERRED)
  67. {
  68. puts ("sem_timedwait changed cancellation type");
  69. return 1;
  70. }
  71. return 0;
  72. }
  73. #define TEST_FUNCTION do_test ()
  74. #include "../test-skeleton.c"