But the same algorithm using Event::Lib or plain select() works perfectly (tested), so what's wrong with Tk's event loop?

BTW, people are using computers for such "too difficult for people" tasks. And i don't see any problem in sending and receiving data at the same time on full duplex channel, that tcp connection claims to be.

In reply to Re^2: Tk fileevent 'readable' stops working by vir
in thread Tk fileevent 'readable' stops working by vir

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