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

[Paolo Bonzini]

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. :)

Paolo