Magnus Hagander wrote:
> You'd actually need to get a pid *reuse* during that short time.

That isn't so implausible on a system which assigns PIDs randomly. 
Holding the SInvalLock doesn't remove the race condition, but it 
makes it less likely to occur for essentially very little cost.

> Bottom line -  while maybe slightly more correcet, not sure it's
> necessary.

IMHO it's worth doing.

-Neil

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• Re: Cancel/Kill backend functions at 2004-05-27 18:35:28 from Magnus Hagander

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• Re: Cancel/Kill backend functions at 2004-05-28 05:01:10 from Tom Lane

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