class Redis::Client

def set_socket_timeout(sock, timeout)
  secs   = Integer(timeout)
  usecs  = Integer((timeout - secs) * 1_000_000)
  optval = [secs, usecs].pack("l_2")
  begin
    sock.setsockopt Socket::SOL_SOCKET, Socket::SO_RCVTIMEO, optval
    sock.setsockopt Socket::SOL_SOCKET, Socket::SO_SNDTIMEO, optval
  rescue Exception => ex
    # Solaris, for one, does not like/support socket timeouts.
    log("Unable to use raw socket timeouts: #{ex.class.name}: #{ex.message}")
  end
end