more cancellation work

[Ulrich Drepper]

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David Mosberger wrote:

> Well, gcc on ia64 _does_ use libunwind.  There is no reason the same
> couldn't be true for x86 and all the other platforms (apart from a
> small matter of some implementation work...).

The current implementatin is just fine and does not have any legal
problems attached to it.  So I think we are much better off with the
status quo.

- -- 
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Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------
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