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# test _thread lock objects with multiple threads
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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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lock = _thread.allocate_lock()
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def thread_entry():
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lock.acquire()
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print('have it')
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lock.release()
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# spawn the threads
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for i in range(4):
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_thread.start_new_thread(thread_entry, ())
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# wait for threads to finish
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time.sleep(1)
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print('done')
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