RemoveUnixSocket checks to see if the given socket already exists and removes it if nothing responds to connections.

RPCAccept accepts connections on the listener and dispatches them to the RPC server for service.

ServerRunDirectory ensures that the run directory exists and has the appropriate ownership and permissions.

ShutdownHandler configures signal handling and initiates a shutdown if a SIGINT, SIGQUIT or SIGTERM is received by the process.

Shutdowner is an interface for a server that can be shutdown.