On 20-08-2007 18:01, Oleg Nesterov wrote:
> do_sigaction() returns -ERESTARTNOINTR if signal_pending(). The comment says:
>
> * If there might be a fatal signal pending on multiple
> * threads, make sure we take it before changing the action.
>
> I think this is not needed. We should only worry about SIGNAL_GROUP_EXIT case,
> bit it implies a pending SIGKILL which can't be cleared by do_sigaction.
Isn't it for optimization e.g., to skip this 'do while' loop below for
such multiple threads, which would get SIGKILL or SIGSTOP anyway?
Regards,
Jarek P.
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