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 parse-bytecode

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thread_stacksize1.py

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# test setting the thread stack size

#

# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd

import sys

import _thread

# different implementations have different minimum sizes

if sys.implementation.name == 'micropython':

sz = 2 * 1024

else:

sz = 32 * 1024

def foo():

pass

def thread_entry():

foo()

with lock:

global n_finished

n_finished += 1

# reset stack size to default

_thread.stack_size()

# test set/get of stack size

print(_thread.stack_size())

print(_thread.stack_size(sz))

print(_thread.stack_size() == sz)

print(_thread.stack_size())

lock = _thread.allocate_lock()

n_thread = 2

n_finished = 0

# set stack size and spawn a few threads

_thread.stack_size(sz)

for i in range(n_thread):

_thread.start_new_thread(thread_entry, ())

# reset stack size to default (for subsequent scripts on baremetal)

_thread.stack_size()

# busy wait for threads to finish

while n_finished < n_thread:

pass

print('done')