So i have one problem: how to pause all running threads (and continue them after some user actions

I would think you would need to create a shared variable, which all threads monitor in their code, to instruct the threads to keep working, or go into a looping sleep state. It would require you to rewrite your thread code to use a more manual style, rather than queue. See Reusable threads demo for an example of "go control"

I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re: How to pause multithreaded application? by zentara
in thread How to pause multithreaded application? by Gangabass

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