I've got a simple command line (Haskell) program that performs simple, but
meaningful translations in my webapp. Feeding it input and reading its
output is simple enough:
set pipe [open "|$cmd" "r+"]
puts $pipe $input
flush $pipe
return [gets $pipe]
Looking at the very helpful doc on mutex pools
(http://panoptic.com/wiki/aolserver/829), I've set up a pool of a few
such pipes at server startup, and plan to keep a handful of these pipes
to external processes laying around, waiting for requests.
However, if I start these processes at server start time, the file
handles are closed before I start handling requests. I've logged in
through the nscp port and manually initialized a batch of file handles,
and the code does work, but only local to that thread.
So, is there some way to share filehandles across threads?
Thanks,
-- Adam
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