On 17.05.21 08:34, Daniel Kasak wrote:
I was told*not*  to use this pattern - that it was
broken, and in particular would cause major issues under Wayland or
Broadway backends

Apart from my having made this error, my experience with event_pending is entirely positive. Using Mageia (Xfce) - hence, neither Wayland nor Broadway; "event_pending" behaves prefectly as it should.

The context is verifying the validity of a series of URLs; HEAD is iteratively called for each URL, using piped open to run it in its own process and thus avoiding that the GUI (Gtk) is paralysed while HEAD is running.

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