.. Copyright 1988-2021 Free Software Foundation, Inc. This is part of the GCC manual. For copying conditions, see the GPL license file .. _omp_get_supported_active_levels: omp_get_supported_active_levels -- Maximum number of active regions supported ***************************************************************************** :samp:`{Description}:` This function returns the maximum number of nested, active parallel regions supported by this implementation. C/C++ ============ ============================================== *Prototype*: ``int omp_get_supported_active_levels(void);`` ============ ============================================== :samp:`{Fortran}:` ============ ====================================================== *Interface*: ``integer function omp_get_supported_active_levels()`` ============ ====================================================== :samp:`{See also}:` omp_get_max_active_levels, omp_set_max_active_levels :samp:`{Reference}:` `OpenMP specification v5.0 `_, Section 3.2.15.