Re: doco scm_remember_upto_1

[Marius Vollmer]

Rob Browning <address@hidden> writes:

> Kevin Ryde <address@hidden> writes:
> 
> > In the "Type checking" node of the manual showing the clear_image
> > example smob code, should that function have an scm_remember_upto_1
> > just before returning, in order to keep image_smob visible to a
> > garbage collect that might run in another thread?

Yes, that would be an improvement.  As Rob say, you are safe right
now, but having one scm_remember_upto_here too many does not hurt.

> Marius may need to comment here, but I was under the impression that
> at the moment we haven't been trying to write all the code to
> accomodate a C-side preemptive GC.

Yes, but I'd say that for new code we could be more careful with the
scm_remembers.