35 lines
720 B
Python
35 lines
720 B
Python
# test concurrent interning of strings
|
|
#
|
|
# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
|
|
|
|
import _thread
|
|
|
|
# function to check the interned string
|
|
def check(s, val):
|
|
assert type(s) == str
|
|
assert int(s) == val
|
|
|
|
# main thread function
|
|
def th(base, n):
|
|
for i in range(n):
|
|
# this will intern the string and check it
|
|
exec("check('%u', %u)" % (base + i, base + i))
|
|
|
|
with lock:
|
|
global n_finished
|
|
n_finished += 1
|
|
|
|
lock = _thread.allocate_lock()
|
|
n_thread = 4
|
|
n_finished = 0
|
|
|
|
# spawn threads
|
|
for i in range(n_thread):
|
|
_thread.start_new_thread(th, (i * 1000, 1000))
|
|
|
|
# busy wait for threads to finish
|
|
while n_finished < n_thread:
|
|
pass
|
|
|
|
print('pass')
|