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SubjectRe: [PATCH v2] signal: Adjust error codes according to restore_user_sigmask()
I think you are misunderstanding what I said. You are taking things
out of context. I was saying here what I did was inspired by why the
syscall was designed to begin with. The syscall below refers to
epoll_wait and not epoll_pwait.

-Deepa

On Fri, May 24, 2019 at 7:19 AM Oleg Nesterov <oleg@redhat.com> wrote:
>
> On 05/23, Deepa Dinamani wrote:
> >
> > 1. block the signals you don't care about.
> > 2. syscall()
> > 3. unblock the signals blocked in 1.
>
> and even this part of your email is very confusing. because in this case
> we can never miss a signal. I'd say
>
> 1. block the signals you don't care about
> 2. unblock the signals which should interrupt the syscall below
> 3. syscall()
> 4. block the signals unblocked in 2.
>
> Oleg.
>

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