having standalone threads managed by netplex

I'm using netplex/nethttpd/netcgi to write a small, single-process/ 
multi-threaded web-server.  The Netcgi interface is great to serve the  
actual HTTP responses, but I also need a few "housekeeping" threads in  
the same process (for session management and a custom OCaml database).

Is it possible in the Netplex framework to create these singleton  
threads which exist outside of the actual protocol reactors?  It looks  
like I could use the RPC framework to make this work, but I'm looking  
for something much more lightweight --- just a thread, but one that  
can use the container logging and other nice features of Netplex.

-anil

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