Receive data from the socket. The return value is a bytes object representing the
data received. The maximum amount of data to be received at once is specified
- by *bufsize*. See the Unix manual page :manpage:`recv(2)` for the meaning of
- the optional argument *flags*; it defaults to zero.
+ by *bufsize*. A returned empty bytes object indicates that the client has disconnected.
+ See the Unix manual page :manpage:`recv(2)` for the meaning of the optional argument
+ *flags*; it defaults to zero.
.. note::