cvs commit: src/sys/dev/md md.c
nate at root.org
Thu Sep 16 19:22:55 PDT 2004
John Baldwin wrote:
> On Thursday 16 September 2004 08:59 pm, M. Warner Losh wrote:
>>In message: <414A109E.4080601 at samsco.org>
>> Scott Long <scottl at samsco.org> writes:
>>: Or just use a semaphore.
>>Or a condition variable.
> That doesn't help, a condition variable doesn't have state like a semaphore.
> The correct fix is to do this:
> thread A
> thread B
> while (state_still_needs_sleep())
> Proving that there is no race is left as an exercise to the reader. :)
Isn't this exactly what I said?
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