micropython/tests/thread/stress_recurse.py

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# test hitting the function recursion limit within a thread
#
# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
import _thread
def foo():
foo()
def thread_entry():
try:
foo()
except RuntimeError:
print('RuntimeError')
global finished
finished = True
finished = False
_thread.start_new_thread(thread_entry, ())
# busy wait for thread to finish
while not finished:
pass
print('done')