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Re^2: Embperl/Apache::Session and forking

by devnul (Monk)
on Jul 21, 2004 at 21:23 UTC ( #376386=note: print w/ replies, xml ) Need Help??


in reply to Re: Embperl/Apache::Session and forking
in thread Embperl/Apache::Session and forking

Right.. But at the point the child is forked it could be in a state where it "thinks it outta be saved", so then both the parent and child will attempt to do so during perl_destruct, right?....

If the parent takes longer to finish than the child(and the call succeeds) this would indicate the session would now contain old data from the child....

- Greg


Comment on Re^2: Embperl/Apache::Session and forking
Re^3: Embperl/Apache::Session and forking
by perrin (Chancellor) on Jul 21, 2004 at 21:29 UTC
    There are various things you could do. You could copy the session data into a hash and close the session before forking. You could mark the session as unchanged so it doesn't save. You'd probably need to release locks if you are using locking. You could also just close the session before you fork and re-open it afterward, but I'd suggest turning off the session locking if you do that.
      I can't really close the session because there are things in the child which might need to get access to variables stored within it...

      Do you have any specific things I can do in the child to declare the session is not stale (even if it is) so that it won't try to save it?... I've tried several things but can't get any of them to work...

      - Greg
        Well, like I said, you can close it and re-open it in the child process. Which Apache::Session subclass are you using?

        Assuming this is not a brand-new session, you can mark it unmodified by changing the status field. Look at the Apache::Session source code to see how it's done.

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