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thread_exc1.py

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# test raising and catching an exception within a thread

#

# SPDX-FileCopyrightText: Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd

#

# SPDX-License-Identifier: MIT

import _thread

def foo():

raise ValueError

def thread_entry():

try:

foo()

except ValueError:

pass

with lock:

global n_finished

n_finished += 1

lock = _thread.allocate_lock()

n_thread = 4

n_finished = 0

# spawn threads

for i in range(n_thread):

_thread.start_new_thread(thread_entry, ())

# busy wait for threads to finish

while n_finished < n_thread:

pass

print('done')