Re: gc question

[rm@tuxteam.de]

On Mon, May 09, 2011 at 11:05:42AM +0200, rixed@happyleptic.org wrote:
> -[ Mon, May 09, 2011 at 11:14:11AM +0200, rm@tuxteam.de ]----
> > am I correct in assuming that the return value from
> > scm_from_locale_keyword("unknown"); 
> > won't ever be garbage collected od do I have to protect 
> > it?
> 
> >From an IRC discussion some time ago:
> 
> 16:11 < rixed> BTW, is it required to scm_gc_protect_object a symbol ?
> 16:11 < civodul> no
> 16:13 < rixed> civodul: even with guile 1.8?
> 16:14 < civodul> in 1.8 you have to protect it
> 16:14 < civodul> but you should use the snarfing macros
> 16:14 < civodul> SCM_SYMBOL and SCM_GLOBAL_SYMBOL
> 16:14 < rixed> civodul: well, probably, but that's my first project using guile so I'd rather do it by hand - I find it actualy simpler :)
> 16:14 < dsmith-work> Wasn't there some recent changes that allow symbols to be gc'd?
> 16:16 < civodul> rixed: ok; so if you want both 1.8 and 1.6, then always scm_gc_protect_object
> 16:16 < civodul> s/1.6/2.0/
> 16:29 < rixed> civodul: will do. thanx!
> 
> So I'd say it depends on the target guile version.

But that talk was about symbols (which might well go aut of scope), im
asking about _keywords_ whose semantics seem to be different.


 Cheers, RalfD