Method ChildAfterFork

cpp/src/arrow/util/io_util.cc:1341–1348

  void ParentAfterFork() {}

  void ChildAfterFork() {
    // Close and recreate pipe, to avoid interfering with parent.
    const bool was_closed = pipe_.rfd.closed() || pipe_.wfd.closed();
    ARROW_CHECK_OK(pipe_.Close());
    if (!was_closed) {
      ARROW_CHECK_OK(CreatePipe().Value(&pipe_));
    }
  }

  Status ClosedPipe() const { return Status::Invalid("Self-pipe closed"); }