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From Marc Slemko <ma...@znep.com>
Subject Re: Accept locking test code strangeness
Date Wed, 10 Oct 2001 15:01:30 GMT
On Tue, 9 Oct 2001, Justin Erenkrantz wrote:

> Basically, if you say AcceptMutex pthread on 1.3, you will be running 
> without an accept mutex - which I believe on later Linux versions is 
> actually okay.  IIRC, Dean and Linus went back and forth on this I 
> think on lkml - thundering herd isn't much of a problem on recent 
> versions - Dean will have more concrete knowledge of this though.

Once again, accept mutexes are _NOT_ just a performance optimization (or
lack thereof) in the multiple listener case.  They are required to avoid
race conditions that can deadlock your server with the 1.3 process/accept
model.


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