Function ifdatasync

src/dd.c:1267–1280

/* Restart on EINTR from fdatasync.  */

static int
ifdatasync (int fd)
{
  int ret;

  do
    {
      process_signals ();
      ret = fdatasync (fd);
    }
  while (ret < 0 && errno == EINTR);

  return ret;
}

/* Restart on EINTR from fd_reopen.  */