[PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match __jmp_buf_tag [BZ #22563]

[H.J. Lu]

On Mon, Dec 18, 2017 at 6:44 AM, Andreas Schwab <schwab@suse.de> wrote:
> On Dez 18 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>
>> This patch adds bits/types/__cancel_jmp_buf_tag.h to define struct
>> __cancel_jmp_buf_tag so that Linux/x86 can add saved_mask to
>> cancel_jmp_buf.
>
> Isn't that an ABI change?
>

Yes, this change is exposed to application via <phread.h>.  The backward
binary compatibility is provided by

https://sourceware.org/ml/libc-alpha/2017-12/msg00208.html


-- 
H.J.