socket.getpeername() Return the remote address to which the socket is connected. This is useful to find out the port number

exception ssl.SSLZeroReturnError A subclass of SSLError raised when trying to read or write and the SSL connection

socket.gethostbyname_ex(hostname) Translate a host name to IPv4 address format, extended interface. Return a triple (hostname

handle_read() Called when the asynchronous loop detects that a read() call on the channel’s socket will succeed

ac_in_buffer_size The asynchronous input buffer size (default 4096).

flush([offset[, size]]) Flushes changes made to the in-memory copy of a file back to disk. Without use of this call there is

exception ssl.SSLSyscallError A subclass of SSLError raised when a system error was encountered while trying to

signal.pthread_kill(thread_id, signalnum) Send the signal signalnum to the thread thread_id, another thread

signal.alarm(time) If time is non-zero, this function requests that a SIGALRM signal be sent to the process