Update unregister implementation to remove all references to the previously registered function #5
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When pyterminate unregisters a function, not all references to that function get cleared. This causes problems when the registered function holds references to objects that are expected to be deallocated after that function gets unregistered from pyterminate.
This updates the
unregister
implementation to:func
from the_func_to_wrapper
dictionaryfunc
is the actively registered signal handler, register the previous signal handler instead. In any case, for any registered signal handler whose previous handler wasfunc
, update the previous handler tofunc
's previous.func
from the_signal_to_prev_handler
dictionary