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Re^2: strange behaviour when forking lots of times

by nothingmuch (Priest)
on May 21, 2006 at 02:07 UTC ( #550746=note: print w/replies, xml ) Need Help??


in reply to Re: strange behaviour when forking lots of times
in thread strange behaviour when forking lots of times

It's important to note that perlfork discusses fork emulation, which is only relevant on Windows.

-nuffin
zz zZ Z Z #!perl
  • Comment on Re^2: strange behaviour when forking lots of times

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[Corion]: Maybe doing a double-fork (daemonizing) can make go that information away, but maybe not
[Corion]: But I think my knowledge of unix/Linux datastructures is several decades out of date, so I don't really know what information it keeps on processes
[oiskuu]: The useful bits that relate to your process can be found under /proc/self. What information are you thinking of? Tty name?
[tye]: I just daemonized and getlogin() still knew who I had been.
[tye]: perhaps loginuid ? Not that I concede that something not being in /proc means it is not useful.
[Corion]: tye: That's really interesting, but maybe it is because getlogin() returns the name, or the uid, so if that user has been replaced by another user with the same uid in the meantime, that's no problem to the system...
[davido]: or on ubuntu /var/run/utmp

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