[PATCH 0/2] nptl: Update struct pthread_unwind_buf

[Florian Weimer]

* H. J. Lu:

> On Sun, Feb 25, 2018 at 5:31 AM, Florian Weimer <fw@deneb.enyo.de> wrote:
>> * H. J. Lu:
>>
>>> libpthread cancellation implementation passes cancel_jmp_buf to
>>> libgcc unwinder,
>>
>> Oh.  Where does it do that?  If you mean _Unwind_ForcedUnwind, I think
>> that's just an opaque closure argument for the callback.
>
> Yes.  Libgcc unwinder needs to deal with it.

Please point me to the code.  Thanks.