####
# Demonstration of how container access is currently broken
# by threads and needs reader/writer locks.
####
import os
if 'KUROKO_TEST_ENV' in os.environ:
    return 0

from fileio import open, stdin
from threading import Thread

let l = []
let stop = False

class Racer(Thread):
    def run(self):
        let myRando = open('/dev/urandom','rb')
        while not stop:
            let choice = myRando.read(1)[0]
            if choice > 127:
                l.append('test')
            else if l:
                l[choice % len(l)] += choice

let racerA = Racer()
let racerB = Racer()

racerA.start()
racerB.start()

print("Press enter to stop.")
stdin.readline()

stop = True

print("Waiting for threads...")
racerA.join()
racerB.join()
print("Here's l:")
print(l)