Re: Stack unwinding for C code

[Marius Vollmer]

Dirk Herrmann <address@hidden> writes:

>>The first variant (with scm_prevent_rewind) would be more elegant from
>>an implementational point of view.  The latter (with
>>SCM_F_REWINDABLE_FRAME) leads to a more desirable default behavior.  I
>>think people should explicitely allow rewinding when they have unwind
>>handlers.
>>
> Hmm, probably I am missing something, but wouldn't it just be possible
> to make the non-rewindable frame the default, and offer
> scm_allow_rewind as a function then?

Yes, that would be possible, but the flags variant is OK, too, no?

> [...] Maybe we should first wait what kinds of cleanup functions we
> detect to be useful within guile and then decide about this issue.

Yes.

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