Re: __pthread_setcancelstate called unconditionally, crashes at 0

[Florian Weimer]

* Sergey Bugaev:

> Do user programs in practice rely on the fact that pthread
> cancellation does unwinding and so calls object destructors, runs
> @finally clauses, etc?

I think so, yes.  I don't recall introducing a regression in that part
of cancellation, so we don't have good usage data unfortunately.

Thanks,
Florian