Calling function with proto in Rinternals.h
Timothy H. Keitt
09 Nov 2002 07:51:45 -0800
Ah, perfect (reg.finalizer). Thanks.
On Sat, 2002-11-09 at 04:05, Peter Dalgaard BSA wrote:
> "Timothy H. Keitt" <email@example.com> writes:
> > (Tried this query on r-help with no luck, maybe someone here can help?)
> > I would like to call the 'RFinalizerEx' function that appears in
> > Rinternals.h using ".Call". It worked for me in the past, but now I get
> > an error message something like: 'call function name not in call table'.
> > I'm using the 1.6.1 rpm from CRAN. Anyone know what's going on? Thanks.
> I don't see a function of that name in there?
> $ find BUILD/include -name *.[ch] | xargs grep FinalizerEx
> BUILD/include/Rinternals.h:void R_RegisterFinalizerEx(SEXP s,
> SEXP fun, Rboolean onexit);
> BUILD/include/Rinternals.h:void R_RegisterCFinalizerEx(SEXP s,
> R_CFinalizer_t fun, Rboolean onexit);
> However, you can't find those with is.loaded either. I'm getting rusty
> on the linker issues, but I don't think you can expect to call just
> any function in the C level interface using .Call. (Perhaps we need
> another section in "Writing R Extensions"? -- I couldn't find a clear
> indication of what, if any, functions are getting exported to .C and
> friends from the main binary and by which mechanism.)
> Notice the existence of reg.finalizer(), which may be the
> functionality you were looking for in the first place.
> O__ ---- Peter Dalgaard Blegdamsvej 3
> c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
> (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
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Timothy H. Keitt
The University of Texas at Austin
Section of Integrative Biology
1 University Station C0930
Austin, Texas 78712-0253 USA
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