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, omp_get_thread_num, omp_get_team_size

Reference:

OpenMP specification v4.5, Section 3.2.18.