SYNTAX

   C Syntax
          #include <mpi.h>

          int MPI_T_pvar_reset(MPI_T_pvar_session session, MPI_T_pvar_handle handle)

INPUT PARAMETERS

       • session: Performance experiment session.

       • handle: Performance variable handle or MPI_T_PVAR_ALL_HANDLES.

DESCRIPTION

       MPI_T_pvar_reset  sets  the  performance variable specified by the handle in handle to its initial value.
       The special value MPI_T_PVAR_ALL_HANDLES can be passed in handle to reset all read-write handles  in  the
       session specified in session.

ERRORS

       MPI_T_pvar_reset will fail if:

       • MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

       • MPI_T_ERR_INVALID_HANDLE: The handle is invalid

       • MPI_T_ERR_INVALID_SESSION: Session argument is not a valid session

       • MPI_T_ERR_PVAR_NO_WRITE: Variable cannot be reset

       SEE ALSO:

          • MPI_T_pvar_handle_alloc

          • MPI_T_pvar_get_info

          • MPI_T_pvar_session_create

          • MPI_T_pvar_write

COPYRIGHT

       2003-2025, The Open MPI Community

                                                  Sep 06, 2025                               MPI_T_PVAR_RESET(3)