Re: [PATCH/RFC] signal races/bugs, losing TIF_SIGPENDING and otherwoes

[Davide Libenzi]

On Tue, 5 Jun 2007, Benjamin Herrenschmidt wrote:

>  - I still think there's something wrong with dequeue_signal() being
> potentially called with a task different than current by signalfd, since
> __dequeue_signal() (among others) mucks around with current regardless.
> I'd love to just make signalfd's read() only do anything if current ==
> ctx->tsk and remove the task argument from dequeue_signal... that would
> fix it nicely too no ?

There's got to be a clean solution that does not limit signalfd, no? I 
have no time to look at it immediately, but I can look into it in the 
next few days, if someone else does not do it before...



- Davide


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