37 lines
885 B
Python
37 lines
885 B
Python
# test that we can run the garbage collector within threads
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#
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# SPDX-FileCopyrightText: Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
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#
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# SPDX-License-Identifier: MIT
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import gc
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import _thread
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def thread_entry(n):
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# allocate a bytearray and fill it
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data = bytearray(i for i in range(256))
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# do some work and call gc.collect() a few times
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for i in range(n):
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for i in range(len(data)):
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data[i] = data[i]
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gc.collect()
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# print whether the data remains intact and indicate we are finished
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with lock:
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print(list(data) == list(range(256)))
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global n_finished
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n_finished += 1
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lock = _thread.allocate_lock()
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n_thread = 4
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n_finished = 0
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# spawn threads
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for i in range(n_thread):
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_thread.start_new_thread(thread_entry, (10,))
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# busy wait for threads to finish
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while n_finished < n_thread:
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pass
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