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- # test _thread lock objects with multiple threads
- #
- # MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
- try:
- import utime as time
- except ImportError:
- import time
- import _thread
- lock = _thread.allocate_lock()
- def thread_entry():
- lock.acquire()
- print('have it')
- lock.release()
- # spawn the threads
- for i in range(4):
- _thread.start_new_thread(thread_entry, ())
- # wait for threads to finish
- time.sleep(1)
- print('done')
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