svn commit: r244533 - in projects/calloutng: share/man/man9 sys/dev/atkbdc sys/dev/random sys/dev/syscons sys/kern sys/sys

[Davide Italiano]

On Fri, Dec 21, 2012 at 4:02 PM, Attilio Rao <attilio at freebsd.org> wrote:
> On Fri, Dec 21, 2012 at 3:59 PM, Davide Italiano <davide at freebsd.org> wrote:
>> On Fri, Dec 21, 2012 at 3:50 PM, Adrian Chadd <adrian at freebsd.org> wrote:
>>> Hi,
>>>
>>> There's a DELAY (bt.frac >> 44) there; please write or use a
>>> BINTIME_TO_USEC macro instead?
>>>
>>> Since you're touching kqueue, do you guys have a testing plan for
>>> verifying kqueue operation is still working right?
>>>
>>
>> I do think web servers -- as well as tons of other applications use it.
>> Other than that, the commit doesn't change kqueue() semantics.
>
> This test by gianni@ was very good at finding callout races in the past:
> http://people.freebsd.org/~attilio/callout/test.c
>
> Attilio
>
>
> --
> Peace can only be achieved by understanding - A. Einstein

Thanks Attilio,
I'm going to run it on my test machine today.

Davide