Signature:

      SUBROUTINE h5pget_mpio_actual_io_mode_f(dxpl_id,       &
            actual_io_mode, hdferr)
        IMPLICIT NONE
        INTEGER(HID_T), INTENT(IN)  :: dxpl_id
        INTEGER       , INTENT(OUT) :: actual_io_mode
        INTEGER       , INTENT(OUT) :: hdferr

Inputs:

      dxpl_id        - Dataset transfer property list identifier.

Outputs:

      actual_io_mode - The type of I/O performed by this process.
      hdferr         - Returns 0 if successful and -1 if fails.