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import multiprocessing
import random
import sys
def fill_queue(queue, code):
queue.put(code)
def drain_queue(queue, code):
if code != queue.get():
sys.exit(1)
def test_func():
code = random.randrange(0, 1000)
queue = multiprocessing.Queue()
fill_pool = multiprocessing.Process(
target=fill_queue,
args=(queue, code)
)
drain_pool = multiprocessing.Process(
target=drain_queue,
args=(queue, code)
)
drain_pool.start()
fill_pool.start()
fill_pool.join()
drain_pool.join()
def main():
multiprocessing.set_start_method('spawn')
test_pool = multiprocessing.Process(target=test_func)
test_pool.start()
test_pool.join()
sys.exit(test_pool.exitcode)
if __name__ == "__main__":
main()
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