carta
pthread_single_np(3)

pthread_single_np3

Switch between multi- and single-threaded scheduling modes

Part of pthread_multi_np(3).

Usage

int

int

Library

POSIX Threads Library (libpthread, -lpthread)

Overview

The pthread_single_np() function switches the process to a single-threaded mode, i.e., suspends all threads except the current. The semantics of this function is similar to pthread_suspend_all_np(3).

The pthread_multi_np() function switches the process to a multi-threaded mode. The semantics of this function is similar to pthread_resume_all_np(3).

Return values

The pthread_multi_np() and pthread_single_np functions always return 0.

History

  • FreeBSD 16.0-CURRENT (2026-10-27) to FreeBSD 13.3-RELEASE: the text shown here
  • FreeBSD 13.2-RELEASE to FreeBSD 13.1-RELEASE
  • FreeBSD 13.0-RELEASE
  • FreeBSD 12.4-RELEASE
  • FreeBSD 12.3-RELEASE
  • FreeBSD 12.2-RELEASE
  • FreeBSD 12.1-RELEASE
  • FreeBSD 12.0-RELEASE
  • FreeBSD 11.4-RELEASE
  • FreeBSD 11.3-RELEASE
  • FreeBSD 11.2-RELEASE
  • FreeBSD 11.1-RELEASE
  • FreeBSD 11.0-RELEASE
  • FreeBSD 10.4-RELEASE
  • FreeBSD 10.3-RELEASE
  • FreeBSD 10.2-RELEASE
  • FreeBSD 10.1-RELEASE
  • FreeBSD 10.0-RELEASE
  • FreeBSD 9.3-RELEASE
  • FreeBSD 9.2-RELEASE
  • FreeBSD 9.1-RELEASE
  • FreeBSD 9.0-RELEASE
  • FreeBSD 8.4-RELEASE
  • FreeBSD 8.3-RELEASE
  • FreeBSD 8.2-RELEASE
  • FreeBSD 8.1-RELEASE
  • FreeBSD 8.0-RELEASE
  • FreeBSD 7.4-RELEASE
  • FreeBSD 7.3-RELEASE
  • FreeBSD 7.2-RELEASE
  • FreeBSD 7.1-RELEASE
  • FreeBSD 7.0-RELEASE
  • FreeBSD 6.4-RELEASE
  • FreeBSD 6.3-RELEASE to FreeBSD 5.3-RELEASE
  • FreeBSD 5.2.1-RELEASE to FreeBSD 5.1-RELEASE
  • FreeBSD 4.11-RELEASE to FreeBSD 4.8-RELEASE

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.