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# test threads sleeping

#

# SPDX-FileCopyrightText: Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd

#

# SPDX-License-Identifier: MIT

try:

import utime

sleep_ms = utime.sleep_ms

except ImportError:

import time

sleep_ms = lambda t: time.sleep(t / 1000)

import _thread

lock = _thread.allocate_lock()

n_thread = 4

n_finished = 0

def thread_entry(t):

global n_finished

sleep_ms(t)

sleep_ms(2 * t)

with lock:

n_finished += 1

for i in range(n_thread):

_thread.start_new_thread(thread_entry, (10 * i,))

# wait for threads to finish

while n_finished < n_thread:

sleep_ms(100)

print("done", n_thread)