Method Write

cpp/src/arrow/io/file.cc:170–180

  }

  Status Write(const void* data, int64_t length) {
    RETURN_NOT_OK(CheckClosed());

    std::lock_guard<std::mutex> guard(lock_);
    RETURN_NOT_OK(CheckPositioned());
    if (length < 0) {
      return Status::IOError("Length must be non-negative");
    }
    return ::arrow::internal::FileWrite(fd_.fd(), reinterpret_cast<const uint8_t*>(data),
                                        length);
  }

  int fd() const { return fd_.fd(); }