Forcing a driver call to use a specific thread

Sean Hinde Sean.Hinde@REDACTED
Mon Oct 29 17:57:57 CET 2001


First off thanks to the OTP team for providing some very nice documenation
to help driver writers :)

I notice from the section at

that calls through the same port will always use the same driver thread. I
also notice the "experimental" use of the key parameter which allows the
driver writer to control which calls must use the same thread.

My question is about the status of the key parameter. The document says it
is reserved and must be set to NULL but there is some nice functionality
behind it.. So

Is this functionality likely to be finished and supported sometime soon?

Or is it finished but has some limitations which may be worked around?

Or is it really experimental, untested and unstable?

Many thanks,

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