Messages in this thread | | | Date | Wed, 15 Sep 1999 22:53:21 +0200 (CEST) | From | Robert de Vries <> | Subject | Re: [PATCH] 2.3.18: siginfo data available for all signals |
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On Wed, 15 Sep 1999, Jamie Lokier wrote:
> Robert H. de Vries wrote: > > The last few times I have sent in this patch I have received zero > > reactions. On the other hand the patch does not seem to make it into > > kernels. Something must be wrong, however I don't know what it is. > > Did you miss Linus' announcement? He is on holiday for 2 weeks starting > a couple of days ago. Patches will be discarded during that time. Nope I didn't, that is why I sent the patch not to Linus but to Alan. (I agree that this is a very subtle hint :-).
> > > This patch handles all signals alike. Every signal is put into the signal > > queue. Only real-time signals are queued multiple times. Other signals can > > have only one siginfo in the queue. > > > > The patch also fixes some unitialized data being passed to user space > > under some circumstances. When sending a signal using kill, the siginfo > > structure on the stack was not zeroed. > > In principle I approve, as long as it does not slow signal delivery. It > was obviously intended to work this way all along. Sorry I haven't time > to examine the code.
This all depends on the speed of the slab allocator for the siginfo structure and the initialisation of the structure. I guess that it's fast because that was the reason for putting in the allocator in the first place and making a special slab for the siginfo structures.
Robert
-- Robert de Vries rhdv@rhdv.cistron.nl
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