Frees loop internals.
If the transport couldn't send the data, the further sending should be handled by the event loop.
Does the actual polling.
Should be called if the backend configuration changes.
Pending connections.
Should be called if the backend configuration changes.
Kills the watcher and closes the connection.
If the transport couldn't send the data, the further sending should be handled by the event loop.
Start watching.
Accept incoming connections.