Re: Fix signalfd interaction with thread-private signals

From: Oleg Nesterov
Date: Tue Jun 19 2007 - 10:06:26 EST


On 06/19, Benjamin Herrenschmidt wrote:
>
> On Tue, 2007-06-19 at 13:14 +0400, Oleg Nesterov wrote:
>
> > The commited "Fix signalfd interaction with thread-private signals"
> > (commit caec4e8dc85e0644ec24aeb36285e1ba02da58cc) doesn't implement
> > this.
>
> Indeed, if you want what Davide described, you need to also change
> signalfd side. The patch I did merely prevents another thread from
> dequeuing somebody else private signals.

Yes I see, but why do we need this change? Yes, we can dequeue SIGSEGV
from another thread. Just don't do it if you have a handler for SIGSEGV?

Oleg.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/