The issue isn't duration- its when the flowgraph shuts down- as the
other thread from someone else is experiencing- it seems to be when the
flowgraph calls lock()/unlock() and stop(). It also only occurs on
bi-directional flowgraphs. But I do agree that there's an improper
shutdown- though I believe its due to some kind of bug. I can construct
a very very very simple flowgraph with a sig source and a scope and have
it crash when it shuts down "properly".
You had mentioned that when you "CTRL+C" it worked OK, but when you
unceremoniously closed the window, it
didn't.
I believe that Gnu Radio itself explicitly sets up a signal handler for
that case, to make sure that the destructors are called when you
explicitly ctrl-C out of a flow-graph.
But for "window close", it may be the case that WxPython doesn't signal
everything to "close thyself in a polite manner".
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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