2.21 omp_in_parallel – Whether a parallel region is active

Description:

This function returns true if currently running in parallel, false otherwise. Here, true and false represent their language-specific counterparts.

C/C++:

Prototype:

int omp_in_parallel(void);

Fortran:

Interface:

logical function omp_in_parallel()

Reference:

OpenMP specification v4.5, Section 3.2.6.