Quoting Ray Bryant ([email protected]):
> On Monday 14 November 2005 15:23, Serge E. Hallyn wrote:
> > --
> >
> > I'm part of a project implementing checkpoint/restart processes.
> > After a process or group of processes is checkpointed, killed, and
> > restarted, the changing of pids could confuse them. There are many
> > other such issues, but we wanted to start with pids.
> >
>
> I've read through the rest of this thread, but it seems to me that the real
> problems are in the basic assumptions you are making that are driving the
> rest of this effort and perhaps we should be examining those assumptions
> instead of your patch.
Ok.
> For example, from what I've read (particularly Hubertus's post that the pid
> could be in a register), I'm inferring that what you want to do is to be able
> to checkpoint/restart an arbitrary process at an arbitrary time and without
> any special support for checkpoint/restart in that process.
Yes.
> Also (c. f. Dave Hansen's post on the number of Xen virtual machines
> required), you appear to think that the number of processes on the system
> for which checkpoint/restart should be enabled is large (more or less the
> same as the number of processes on the system).
Right.
> Am I reading this correctly?
As far as I can see, yes.
-serge
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