26 lines
594 B
Python
26 lines
594 B
Python
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# test capability for threads to access a shared mutable data structure
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# (without contention because they access different parts of the structure)
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#
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# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
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try:
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import utime as time
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except ImportError:
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import time
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import _thread
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def foo(lst, i):
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lst[i] += 1
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def thread_entry(n, lst, idx):
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for i in range(n):
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foo(lst, idx)
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lst = [0, 0]
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_thread.start_new_thread(thread_entry, (10, lst, 0))
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_thread.start_new_thread(thread_entry, (20, lst, 1))
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# wait for threads to finish
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time.sleep(0.2)
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print(lst)
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