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MPI_T_CATEGORY_GET_NUM(3) Open MPI MPI_T_CATEGORY_GET_NUM(3)

NAME

MPI_T_category_get_num - Query the number of categories

MPI_T_category_get_num — Query the number of categories

SYNTAX

C Syntax

int MPI_T_category_get_num(int* num_cat)


OUTPUT PARAMETERS

•
num_cat: Current number of categories

DESCRIPTION

MPI_T_category_get_num can be used to query the current number of categories.

ERRORS

MPI_T_category_get_num will fail if:

•
MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

Author

The Open MPI community

Copyright

2003-2026, The Open MPI Community

October 13, 2026