2009/4/20 kranthi <kranthi...@gmail.com>:
> then u'll b needing a lock (a shared resource like a SESSION var will
> do) even if u do it by javascript
>
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Session variables will not solve race conditions. I would either
ignore the user abort, so script doesn't abort, you can use file
locks, to make sure the scripts  don't  modify it at the same time

-- 
Alpar Torok

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