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

From: Oleg Nesterov
Date: Fri May 24 2019 - 10:22:58 EST


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.