Method DoRead

cpp/src/arrow/gpu/cuda_memory.cc:275–282

}

Result<int64_t> CudaBufferReader::DoRead(int64_t nbytes, void* buffer) {
  RETURN_NOT_OK(CheckClosed());

  ARROW_ASSIGN_OR_RAISE(int64_t bytes_read,
                        DoReadAt(position_, nbytes, /*allow_short_read=*/true, buffer));
  position_ += bytes_read;
  return bytes_read;
}

Result<std::shared_ptr<Buffer>> CudaBufferReader::DoReadAt(int64_t position,
                                                           int64_t nbytes,