PERFORCE change 123854 for review

[Fredrik Lindberg]

http://perforce.freebsd.org/chv.cgi?CH=123854

Change 123854 by fli at fli_nexus on 2007/07/21 19:06:05

	Add an asynchronous query system. Its purpose in life is to
	perform queries on behalf of consumers. It aggregates identical
	queries from different consumers and makes sure that queries
	are re-transmitted when needed (continuous queries etc).
	Consumers are notified when new data is available or when a
	timeout fires. 

Affected files ...

.. //depot/projects/soc2007/fli-mdns_sd/mdnsd/queries.c#1 add
.. //depot/projects/soc2007/fli-mdns_sd/mdnsd/queries.h#1 add

Differences ...