Threads: Cancellation points

POSIX specifies a list of functions that must have cancellation points that occur when a thread is executing, and another of functions that may have cancellation points.

The functions listed below are those that POSIX says may have cancellation points and do in the QNX Neutrino implementation:

For a list of all the functions (including non-POSIX ones) that are cancellation points, see the Full Safety Information appendix in the QNX Neutrino C Library Reference.