Arjan van de Ven wrote:
On Sat, 2005-10-01 at 13:30 -0800, lokum spand wrote:
I allow myself to suggest the following, although not sure if I post in
the right group:
Suppose Linux could save the total state of a program to disk, for
instance, imagine a program like mozilla with many open windows. I give
it a SIGNAL-SAVETODISK and the process memory image is dropped to a
file. I can then turn off the computer and later continue using the
program where I left it, by loading it back into memory.
Would that be possible? At least a program can be given a ctrl-z and is
there is a LOT of state though.. the moment you add networking in the
picture the amount of state just isn't funny anymore. Your X example is
a good one as well...
There are a few cluster/parallel computing libraries out there that are
starting to allow "process migration"...
One would assume that "saving it to a disk" is simply a degenerate case
of migrating the process...
Presuming they have process migration working (and it seemed close a
while ago when I last looked), saving to a file might already be
supported... I'd google "process migration" and you are likely to find
a lot of discussion on this topic...
/mike
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