python (3.12.0)
1 import os
2 import sys
3 import threading
4 import traceback
5
6
7 NLOOPS = 50
8 NTHREADS = 30
9
10
11 def t1():
12 try:
13 from concurrent.futures import ThreadPoolExecutor
14 except Exception:
15 traceback.print_exc()
16 os._exit(1)
17
18 def t2():
19 try:
20 from concurrent.futures.thread import ThreadPoolExecutor
21 except Exception:
22 traceback.print_exc()
23 os._exit(1)
24
25 def main():
26 for j in range(NLOOPS):
27 threads = []
28 for i in range(NTHREADS):
29 threads.append(threading.Thread(target=t2 if i % 1 else t1))
30 for thread in threads:
31 thread.start()
32 for thread in threads:
33 thread.join()
34 sys.modules.pop('concurrent.futures', None)
35 sys.modules.pop('concurrent.futures.thread', None)
36
37 if __name__ == "__main__":
38 main()
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