circuitpython/tests/thread/thread_exc1.py

36 lines
611 B
Python
Raw Normal View History

# test raising and catching an exception within a thread
#
2020-06-03 18:40:05 -04:00
# SPDX-FileCopyrightText: Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
#
# SPDX-License-Identifier: MIT
import _thread
2021-03-15 09:57:36 -04:00
def foo():
raise ValueError
2021-03-15 09:57:36 -04:00
def thread_entry():
try:
foo()
except ValueError:
pass
with lock:
global n_finished
n_finished += 1
2021-03-15 09:57:36 -04:00
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
2021-03-15 09:57:36 -04:00
print("done")