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fix: don't call nng_fini() by default #125

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fix: don't call nng_fini() by default #125

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8 changes: 7 additions & 1 deletion pynng/nng.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,9 +34,15 @@
# during a callback to _nng_pipe_cb
# * Cleanup background queue threads used by NNG

# NOTE: enabling this can lead to nng panic / crash on python runtime shutdown. Depending on when the atexit function
# is called and objects garbage are collected, it might be possible that nng_fini is already called, but we are is
# still calling the nng lib (e.g. nni_aio_free by AIOHelper.__del__).

nng_fini_at_exit = False

def _pynng_atexit():
lib.nng_fini()
if nng_fini_at_exit:
lib.nng_fini()


atexit.register(_pynng_atexit)
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