Re: [Qemu-devel] [PATCH v3 01/10] Introduce qemu_cond_timedwait for POSIX

[Jan Kiszka]

On 2012-04-05 14:56, Paolo Bonzini wrote:
> Il 05/04/2012 14:53, malc ha scritto:
>> On Thu, 5 Apr 2012, Paolo Bonzini wrote:
>>
>>> Il 05/04/2012 14:30, malc ha scritto:
>>>>>> Would save that "* 1000". I just wondered why we do not use it elsewhere
>>>>>> in QEMU and was reluctant to risk some BSD breakage.
>>>>>>
>>>> It's probably worth mentioning that using anything other than 
>>>> clock_gettime and CLOCK_MONOTONING (as well as setting proper pthread
>>>> clock attr on the condition variable) is prone to the surprises (such
>>>> as NTP corrections and daylight saving changes).
>>>
>>> I was about to suggest the same, but how widespread is support for
>>> pthread_condattr_setclock?
>>
>> If it's not all is lost anyway.
> 
> Only once every year. :)

...and not for the current user of this service which do not care that
much about the timeout and a potential delay or early shot.

Jan

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