Hi Twisted list!
I have a library that is attempting to start an AsyncioSelectorReactor,
fork the process, and then open a network socket on macOS. When the
network socket is opened, Twisted throws an [Errno 9] "Bad file
descriptor" exception at me. I get no such exception on Ubuntu.
If I change the sequence from:
setup_reactor('AsyncioSelectorReactor')
fork_and_continue_in_child()
run_server()
to:
fork_and_continue_in_child() # fork first
setup_reactor('AsyncioSelectorReactor')
run_server()
Then everything works okay.
Also if I use SelectReactor rather than AsyncioSelectorReactor then it
doesn't matter which order I fork in.
So my question is, does Twisted support being forked after starting a
reactor or not?
--
David Foster | Seattle, WA, USA
P.S. For more details see this Django Channels thread:
https://github.com/django/channels/issues/962#issuecomment-414103367
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