New submission from djstrong:
I have this code, which sometimes hangs (1 of 5 runs):
# -*- coding: utf-8 -*-
import sys
import threading
import multiprocessing
mpl = multiprocessing.log_to_stderr()
mpl.setLevel(1)
class A(threading.Thread):
def __init__(self):
super(A, self).__init__()
def run(self):
print(self.name, 'RUN')
for line in sys.stdin: #increases probability of hanging
pass
print(self.name, 'STOP')
class B(multiprocessing.Process):
def __init__(self):
super(B, self).__init__()
def run(self):
print(self.name, 'RUN')
a = A()
a.start()
b = B()
b.start()
print('B started', b, b.is_alive(), b.pid)
print('A', a)
a.join()
b.join()
print('FINISHED')
I am running it on Ubuntu with command: echo "" | python3 time_test4.py
Output is:
Thread-1 RUN
B started <B(B-1, started)> True 31439
A <A(Thread-1, started 139779252864768)>
Thread-1 STOP
----------
messages: 288594
nosy: djstrong
priority: normal
severity: normal
status: open
title: Process hangs (sometimes)
type: behavior
versions: Python 3.4
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue29658>
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