On 10/10/06, Anthony E. Caudel <[EMAIL PROTECTED]> wrote:
I have been using Gentoo for more than 2 years now and have always
wondered (but never asked - That's the "dumb" part) how Gentoo manages
to update a package that happens to be running at the time.
Given that the old version (the one running) is deleted, how does it
manage to keep standing if you just cut its legs off?
I've never seen this discussed anywhere which probably means everyone
else already knows and are probably thinking to themselves, "Dumb question."
Tony
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Simple and short answer is that at run-time the binary and libraries
are loaded into memory and run from there. When you do the update it
replaces the binary and/or libraries on disk, but you won't actually
be running those updates until you restart the process. There may be
other, more dynamic, cases that I am aware of, but that is the general
gist of it.
Troy
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