SYNTAX

   C Syntax
          #include <mpi.h>

          int MPI_T_category_changed(int *stamp)

INPUT PARAMETERS

       • stamp: A virtual time stamp to indicate the last change to the categories.

DESCRIPTION

       If  two  subsequent  calls to this routine return the same timestamp, it is guaranteed that no categories
       have been changed or added. If the timestamp from the second call is higher  than  some  categories  have
       been added or changed.

ERRORS

       MPI_T_category_changed will fail if:

       • MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

COPYRIGHT

       2003-2025, The Open MPI Community

                                                  Feb 17, 2025                         MPI_T_CATEGORY_CHANGED(3)