[Rd] Reset an embedded R.dll

[Prof Brian Ripley]

On Thu, 15 May 2008, Bernd Schoeller wrote:

> On Thu, 15 May 2008 06:04:51 -0000, Prof Brian Ripley <ripley at stats.ox.ac.uk> 
> wrote:
>
>>> Last question: Will I need to UNPROTECT_PTR all references held, or will 
>>> the call to Rf_endEmbeddedR also free protected references?
>> 
>> What is a 'reference' here?
>
> Right, my question was imprecise. I meant 'SEXP' (which is a 
> reference/pointer to a SEXPREC, as far as I understand it).

As distinct from the various reference SEXPREC types.

>> Rf_endEmbeddedR  does what ending an R session does, no more, no less.
>
> Ok - my question put differently: Will ending an R session run a full garbage 
> collection, ignoring the 'protected' status of previously protected SEXP?

No.  It will run finalizers if they were set up to do so.

>
> Bernd
>
> -- 
> Comerge AG, Technoparkstrasse 1, CH-8005 Zurich, Switzerland

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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