Re: condition variables

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От Robert Haas
Тема Re: condition variables
Дата
Msg-id CA+TgmoZn2Sg_p8Zc6CoN+Wsi8ZoMAYOkzx=E62T5whVg6Qifgw@mail.gmail.com
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Ответ на Re: condition variables  (Amit Kapila <amit.kapila16@gmail.com>)
Ответы Re: condition variables  (Amit Kapila <amit.kapila16@gmail.com>)
Список pgsql-hackers
On Mon, Sep 5, 2016 at 3:17 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> On Mon, Aug 15, 2016 at 10:35 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>>>> Don't you need to set proc->cvSleeping = false in ConditionVariableSignal?
>>>
>>> I poked at this a bit... OK, a lot... and have some feedback:
>>>
>>> 1.  As above, we need to clear cvSleeping before setting the latch.
>>
>> Right, OK.
>>
>
> I have independently faced this problem while using your patch and for
> now I have updated my local copy.  If possible, please send an updated
> patch as this patch could be used for development of various
> parallelism projects.

Thomas already posted an updated patch in the same message where he
reported the problem.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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