tst-sysconf.c 1.5 KB

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  1. /* Copyright (C) 2002, 2003 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, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <pthread.h>
  17. #include <stdio.h>
  18. #include <unistd.h>
  19. static int
  20. do_test (void)
  21. {
  22. puts ("We expect no limits");
  23. /* We have no fixed limit on the number of threads. Make sure the
  24. headers tell the right story. */
  25. #ifdef PTHREAD_THREADS_MAX
  26. printf ("Header report maximum number of threads = %lu\n",
  27. (unsigned long int) PTHREAD_THREADS_MAX);
  28. return 1;
  29. #else
  30. long int r = sysconf (_SC_THREAD_THREADS_MAX);
  31. if (r != -1)
  32. {
  33. printf ("sysconf(_SC_THREAD_THREADS_MAX) return %ld\n", r);
  34. return 1;
  35. }
  36. #endif
  37. return 0;
  38. }
  39. #define TEST_FUNCTION do_test ()
  40. #include "../test-skeleton.c"