##############################################################################
#
# Copyright (c) 1996-2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
from Sync import Synchronized
import thread
from random import random
from time import sleep
class P(Synchronized):
def __init__(self,*args,**kw):
self.count=0
def inc(self):
c = self.count
if random() > 0.7:
sleep(1)
self.count = self.count + 1
return c, self.count
def incn(self,n):
c = self.count
for i in range(n):
self.inc()
return c, self.count
p = P(1, 2, spam=3)
def test():
for i in range(8):
n = 3
old, new = p.incn(n)
if old + n != new:
print 'oops'
sleep(2)
thread_finished()
def thread_finished(lock=thread.allocate_lock()):
global num_threads
lock.acquire()
num_threads = num_threads - 1
lock.release()
num_threads = 8
for i in range(num_threads):
thread.start_new_thread(test, ())
while num_threads > 0:
sleep(1)
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