or a process restore), plus you can at least demand-load
> the process restore.
The problem with a process checkpoint is that it's then rather
difficult to get all of the inter-process stuff right. If you
checkpoint an entire OS, that comes for free.
Steven Smith.
--
'Double-entr
> When CPU is waiting on some new data, he cannot preform any other
> operation, and freezes data manipultion; that's why I'm looking for a new
> way to in/output the soft...
You may want to look at select(2) and poll(2). Those allow you to
check whether input is available on a given file descri
> >> > It's also possible to put probes on the return instruction of the
> >> > function. I'm not sure how they're actually finding that, though.
> >> I think the return probe is done by adding a call probe that changes the
> >> return address.
> > Yeah, I thought that when I first saw it, but th
> > It's also possible to put probes on the return instruction of the
> > function. I'm not sure how they're actually finding that, though.
> I think the return probe is done by adding a call probe that changes the
> return address.
Yeah, I thought that when I first saw it, but the probe is passe
> - It has no impact on the system when it is not used. So you can
> leave it in all the time, instead of having a debug kernel and
> a production kernel.
>
> [I don't know how they achieve the "no impact" but they claim
> that they really mean "no", not just "negligible".
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