Is there any alternative way to work around this problem? Methods using 'alarm' in any shape or form as a timeout watcher also don't work on Windows.

Multi threading could be an answer, but Tk is not thread safe.

Currently I do the engine stuff in a separate multi threaded non-Tk perl program, which copies the output of the engine to an ordinary file which the main app can read. This way however I have to run two different programs.

In reply to Re^2: bidirectional pipe freezing by chessgui
in thread bidirectional pipe freezing by chessgui

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