Re: [PATCH v2] signal: Adjust error codes according to restore_user_sigmask()

[Oleg Nesterov]

On 05/24, David Laight wrote:
>
> From: David Laight
> > Sent: 24 May 2019 16:00
> ...
> > I've had horrid thoughts about SIG_SUSPEND :-)
>
> Not to mention exiting signal handlers with longjmp().

that is why we have siglongjmp().

Oleg.