MPI_T_category_get_categories(3) Open MPI MPI_T_category_get_categories(3)

MPI_T_category_get_categories - Query which categories are in a category

#include <mpi.h>
int MPI_T_category_get_categories(int cat_index, int len, int indices[])

Index of the category to be queried.
The length of the indices array.

An integer array of size len, indicating category indices.

MPI_T_category_get_categories can be used to query which other categories are in a category.

MPI_T_category_get_categories() will fail if:

The MPI Tools interface not initialized
The category index is invalid
May 26, 2022 4.1.4