Class stat

cpp/src/arrow/util/io_util.cc:662–662

  }
  if (errno == EEXIST) {
    struct stat st;
    if (stat(s, &st) || !S_ISDIR(st.st_mode)) {
      // Note we propagate the original errno, not the stat() errno
      return IOErrorFromErrno(EEXIST, "Cannot create directory '", dir_path.ToString(),