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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: gmane.comp.lib.glibc.alpha
Subject: Re: [PATCH 0/2] nptl: Update struct pthread_unwind_buf
Date: Sun, 25 Feb 2018 14:49:42 +0100
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Cc: "Carlos O'Donell" <carlos@redhat.com>,  GNU C Library <libc-alpha@sourceware.org>
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	(H. J. Lu's message of "Sun, 25 Feb 2018 05:36:01 -0800")
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* 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.