Yes, it works this way.
I've now tested the code at a Linux machine and perl 5.8.8 . Seems to be something different to blastwave.org 's solaris perl 5.8.8 .

Thank you for your reply!

In reply to Re^2: accept on listening socket seems affected by threads->detach() by Anonymous Monk
in thread accept on listening socket seems affected by threads->detach() by Anonymous Monk

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