Nathaniel Smith added the comment:
Here's the patch I mentioned:
https://github.com/njsmith/cpython/commit/62547dc5ea323a07c25c2047636a02241f518013
It has a crude but effective technique for handling the hanging issue :-).
Alternatively one could use the World's Stupidest Coroutine Runner:
def run(coro):
try:
coro.send(None)
except StopIteration:
pass
else:
raise RuntimeError("yielded")
> I'm also wondering how far we might be able to get by adjusting the pending
> signal processing such that we always execute at least one line from a
> function before checking for pending signals
Huh, that's a neat idea. I think it's defeated by 'while True: pass', though
:-(. (You have to write it on two lines, but it compiles down to a single
instruction that jumps to itself.)
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<https://bugs.python.org/issue29988>
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