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circuitpython/tests/thread/thread_lock2.py at master · ProGamerCode/circuitpython · GitHub
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circuitpython
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tests
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thread
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thread_lock2.py
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thread_lock2.py
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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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