tst-eintr2.c 2.7 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 Ulrich Drepper <drepper@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, 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 <signal.h>
  19. #include <stdio.h>
  20. #include <stdlib.h>
  21. #include <string.h>
  22. #include <sys/time.h>
  23. #include "eintr.c"
  24. static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
  25. static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
  26. static void *
  27. tf1 (void *arg)
  28. {
  29. struct timespec ts;
  30. struct timeval tv;
  31. gettimeofday (&tv, NULL);
  32. TIMEVAL_TO_TIMESPEC (&tv, &ts);
  33. ts.tv_sec += 10000;
  34. /* This call must never return. */
  35. int e = pthread_mutex_timedlock (&m1, &ts);
  36. char buf[100];
  37. printf ("tf1: mutex_timedlock returned: %s\n",
  38. strerror_r (e, buf, sizeof (buf)));
  39. exit (1);
  40. }
  41. static void *
  42. tf2 (void *arg)
  43. {
  44. while (1)
  45. {
  46. int e = pthread_mutex_lock (&m2);
  47. if (e != 0)
  48. {
  49. puts ("tf2: mutex_lock failed");
  50. exit (1);
  51. }
  52. e = pthread_mutex_unlock (&m2);
  53. if (e != 0)
  54. {
  55. puts ("tf2: mutex_unlock failed");
  56. exit (1);
  57. }
  58. struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
  59. nanosleep (&ts, NULL);
  60. }
  61. }
  62. static int
  63. do_test (void)
  64. {
  65. if (pthread_mutex_lock (&m1) != 0)
  66. {
  67. puts ("mutex_lock failed");
  68. exit (1);
  69. }
  70. setup_eintr (SIGUSR1, NULL);
  71. pthread_t th;
  72. char buf[100];
  73. int e = pthread_create (&th, NULL, tf1, NULL);
  74. if (e != 0)
  75. {
  76. printf ("main: 1st pthread_create failed: %s\n",
  77. strerror_r (e, buf, sizeof (buf)));
  78. exit (1);
  79. }
  80. e = pthread_create (&th, NULL, tf2, NULL);
  81. if (e != 0)
  82. {
  83. printf ("main: 2nd pthread_create failed: %s\n",
  84. strerror_r (e, buf, sizeof (buf)));
  85. exit (1);
  86. }
  87. /* This call must never return. */
  88. e = pthread_mutex_lock (&m1);
  89. printf ("main: mutex_lock returned: %s\n",
  90. strerror_r (e, buf, sizeof (buf)));
  91. return 0;
  92. }
  93. #define EXPECTED_SIGNAL SIGALRM
  94. #define TIMEOUT 3
  95. #define TEST_FUNCTION do_test ()
  96. #include "../test-skeleton.c"