mumble-voip/mumble — pull request #1368 by bmwiedemann (2014-08-20 13:13:48+00:00)
Title: Use TCP Keepalive option

This helps to avoid cases where clients do not notice that the socket
got lost and users have to manually reconnect to get back into a working state

Note: I could not test this much yet beyond verifying that the setsockopt worked.