TCP server: Do not enable socket linger with null timeout if SSL is used

src/easynetwork/servers/async_tcp.py

@@ -38,6 +38,7 @@
     ISocket,
     SocketAddress,
     SocketProxy,
+    TLSAttribute,
     enable_socket_linger,
     new_socket_address,
     set_tcp_keepalive,
@@ -405,7 +406,12 @@ async def __client_initializer(
             client_exit_stack.enter_context(self.__suppress_and_log_remaining_exception(client_address=client_address))
             # If the socket was not closed gracefully, (i.e. client.aclose() failed )
             # tell the OS to immediately abort the connection when calling socket.socket.close()
-            client_exit_stack.callback(self.__set_socket_linger_if_not_closed, lowlevel_client.extra(INETSocketAttribute.socket))
+            # NOTE: Do not set this option if SSL/TLS is enabled
+            if lowlevel_client.extra(TLSAttribute.sslcontext, None) is None:
+                client_exit_stack.callback(
+                    self.__set_socket_linger_if_not_closed,
+                    lowlevel_client.extra(INETSocketAttribute.socket),
+                )
 
             logger: logging.Logger = self.__logger
             client = _ConnectedClientAPI(client_address, lowlevel_client)