Efficiant Messaging Framework

[Robert Schwebel <robert@xxxxxxxxxxx>]

I'm searching for an efficient and lightweight user space
framework/library for messaging, something with a producer/consumer
model where I can register different threads or processes to some kind
of a message bus. As the highest possible event rate may be something
like 4 kHz under worst case conditions it would be good to have
something which doesn't involve kernel/userspace switches if not
necessary. Does anyone have an idea what I could use? 

Robert
-- 
 Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de
 Pengutronix - Linux Solutions for Science and Industry
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