svn commit: r252346 - head/share/man/man9

Julian Elischer julian at
Wed Jul 3 04:11:53 UTC 2013

On 7/3/13 12:00 AM, John Baldwin wrote:
> On 6/29/13 6:37 AM, Julian Elischer wrote:
>> On 6/29/13 9:16 PM, Julian Elischer wrote:
>>> thanks!
>>>> -If the owner is not currently actually running then the spin step is
>>>> skipped.
>>>> +then a thread attempting to acquire the mutex will spin rather than
>>>> yielding
>>>> +the processor.
>> Am I wrong in thinking that it will only spin for a short while,
>> eventually yielding?
>> The original text said this but the new text implies it will spin forever.
> It does not use a spin timeout.  I considered adding a separate note to
> define adaptive spinning generically as it is used by multiple lock
> types (mutexes, rwlocks, and sx locks).

this would be a good idea.

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