GNU libgomp: omp_get_max_active_levels

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### 2.7 `omp_get_max_active_levels` – Maximum number of active regions

Description:

  This function obtains the maximum allowed number of nested, active parallel regions.

C/C++

  Prototype: | `int omp_get_max_active_levels(void);`

Fortran:

  Interface: | `integer function omp_get_max_active_levels()`

See also:

  omp_set_max_active_levels, omp_get_active_level

Reference:

  OpenMP specification v4.5, Section 3.2.16.