omp_get_ancestor_thread_num – Ancestor thread ID

Description:

This function returns the thread identification number for the given nesting level of the current thread. For values of level outside zero to omp_get_level -1 is returned; if level is omp_get_level the result is identical to omp_get_thread_num.

C/C++:

Prototype:

int omp_get_ancestor_thread_num(int level);

Fortran:

Interface:	integer function omp_get_ancestor_thread_num(level)
	integer level

See also:

omp_get_level – Obtain the current nesting level, omp_get_thread_num – Current thread ID, omp_get_team_size – Number of threads in a team

Reference:

OpenMP specification v4.5, Section 3.2.18.