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Re^2: AnyEvent: How to protect critical sections?

by Anonymous Monk
on May 18, 2011 at 20:00 UTC ( #905553=note: print w/replies, xml ) Need Help??

in reply to Re: AnyEvent: How to protect critical sections?
in thread AnyEvent: How to protect critical sections?

(i would have liked to reply to the original posting, but there is no reply button, apparently). I don't know what the "bets" way is, but one can simply use a global variable. Simple case
{ local $ignore_interrupt = 1; ... } ... return if $ignore_interrupt;
That loses "interrupt" events, which might not be acceptable. A solution for that is to store some marker in the variable.
{ local $ignore_interrupt = 1; ... do_interrupt if $ignore_interrupt == 2; } ... if ($ignore_interrupt) { $ignore_interrupt = 2; } else { do_interrupt; }
The same kind of code also works in Coro. However, I firmly believe that youc an always find a simpler way - e.g. by stopping and restarting the timer or similar code. Trying to recursive into the event loop somehow creates modality, which is kind of evil and tends to lead to more problems than it solves.

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