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Re: Proper way to thread this in PERL.

by jethro (Monsignor)
on Dec 25, 2013 at 20:33 UTC ( #1068369=note: print w/ replies, xml ) Need Help??

in reply to Proper way to thread this in PERL.

I'm no threads expert but one thing I see problematic in your code is that you use sleep as a crude delimiter of threads in the hope that 5 threads per 5 seconds is not too much. Much better would be to check for number of threads with scalar(threads->list()) and sleep as long as this number is at maximum. Only when that number goes down another thread should be generated

Something like this:

while (threads->list()<$threadsmax) { sleep(1); # or threads->yield; but I'm not sure what happens if you +call this in the main thread } print ".";

I added the print for debugging purposes. If you see that no new "." get printed after a while it would mean no threads finish.

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Re^2: Proper way to thread this in PERL.
by tekio (Novice) on Dec 25, 2013 at 21:33 UTC
    Thank you! I will give that a try!

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