C Syntax

       2003-2025, The Open MPI Community

                                                  Jun 07, 2025                  MPI_T_CATEGORY_GET_CATEGORIES(3)

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:

       • MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

       • MPI_T_ERR_INVALID_INDEX: The category index is invalid

       • cat_index: Index of the category to be queried.

       • len: The length of the indices array.

       • indices: An integer array of size len, indicating category indices.

CSyntax
          #include <mpi.h>

          int MPI_T_category_get_categories(int cat_index, int len, int indices[])