pthread_main_np(3)

pthread_main_np3

Identify the initial thread

Usage

#include <pthread_np.h>

int

pthread_main_np(void);

Library

POSIX Threads Library (libpthread, -lpthread)

Overview

The pthread_main_np() function is used in userland threads environment to identify the initial thread. Its semantics is similar to the Solaris's thr_main() function.

Return values

The pthread_main_np() function returns 1 if the calling thread is the initial thread, 0 if the calling thread is not the initial thread, and -1 if the thread's initialization has not yet completed.

Releases

59 releases since FreeBSD 4.8-RELEASE; the text changed 35 times.

  1. 4.8–4.11
  2. 5.1–5.2.1
  3. 5.3–6.3
  4. 6.4
  5. 7.0
  6. 7.1
  7. 7.2
  8. 7.3
  9. 7.4
  10. 8.0
  11. 8.1
  12. 8.2
  13. 8.3
  14. 8.4
  15. 9.0
  16. 9.1
  17. 9.2
  18. 9.3
  19. 10.0
  20. 10.1
  21. 10.2
  22. 10.3
  23. 10.4
  24. 11.0
  25. 11.1
  26. 11.2
  27. 11.3
  28. 11.4
  29. 12.0
  30. 12.1
  31. 12.2
  32. 12.3
  33. 12.4
  34. 13.0
  35. 13.1–13.2
  36. 13.3–16.0

Authors

This manual page was written by Alexey Zelkin ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.