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From "Stephen C. Tweedie" <>
Subject Re: /dev/poll vs. aio_ (was: Re: Proposal: Get rid of most accept mutex)calls on hybrid server.)
Date Sat, 29 May 1999 01:55:10 GMT

On 28 May 1999 15:00:23 -0700, Ulrich Drepper <> said:

> "Stephen C. Tweedie" <> writes:
>> However, it would be good to see real life profiling on this.

> Not without having a really good thread library first 

Amen to that --- we _need_ CLONE_SIGNALS for this.

> or at least optimizing the aio library.  

No, aio_* isn't used in this model: the reads and writes are
non-blocking already, it's just out-of-band activity indicators which we
need.  aio_* is only useful for IO which is otherwise blocking.


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