acc_event_query Function

   FUNCTION acc_event_query(this) RESULT(res)
      !! Fortran-wrapper for querying a CUDA/HIP event's status.

      TYPE(acc_event_type), INTENT(IN)         :: this
      LOGICAL                                  :: res
         !! true if event has occurred, false otherwise

#if ! defined (__DBCSR_ACC)
      res = .FALSE.
      MARK_USED(this)
      DBCSR_ABORT("__DBCSR_ACC not compiled in.")
#else
      INTEGER                                  :: istat, has_occurred
      IF (.NOT. C_ASSOCIATED(this%cptr)) &
         DBCSR_ABORT("acc_event_query: event not allocated")
      istat = acc_interface_event_query(this%cptr, has_occurred)
      IF (istat /= 0) &
         DBCSR_ABORT("acc_event_query failed")
      res = (has_occurred == 1)
#endif
   END FUNCTION acc_event_query