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3.2 omp_get_ancestor_thread_num – Ancestor thread ID


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.

Prototype:int omp_get_ancestor_thread_num(int level);
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


OpenMP specification v4.5, Section 3.2.18.