[R-SIG-Finance] [R-sig-finance] Fwd: Question on multiple sessions...

Daniel Cegielka daniel.cegielka at gmail.com
Thu Feb 12 17:47:11 CET 2009

Jeff Ryan pisze:

> R is single threaded.  The approach I initially envisioned did involve some
> sort of dual R-process, where communication was via a file or sockets.  This
> obviously wasn't ideal, but seemed workable.
> Turns out that with sockets, *blocking* sockets in R are the only
> reliable/efficient cross-platform mechanism to communicate that I have found
> while keeping everything in R.  This causes some interesting problems if you
> are waiting for messages from another process, and those messages are
> irregular in time.  Essentially you are just shifting the issue from one
> single-threaded process into two.  Same problems persist.

Hi Jeff ;)

Twisted (python framework) include non-blocking function...
It can be ported to R.



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