On 08/21/2012 02:50 PM, Paul Eggert wrote: > On 08/21/2012 09:58 AM, Bob Proulx wrote: >> That is the expected behavior. > > It's not the behavior *I* expect. I expect > 'sleep' to use realtime seconds, not seconds > of some arbitrary clock that's way far from > real time.
In fact, I think both modes have their use, and that we probably ought to provide an option to choose between absolute wall clock deadline (stable realtime sleep even if the processor time jumps forwards or backwards or has gaps due to suspend) vs. elapsed relative processor time (where changing the processor clock can lengthen or shorten the sleep duration). If we do add code to support multiple flavors of sleep durations, I'd probably lean towards absolute wall time as the default. -- Eric Blake [email protected] +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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