使用python测试你的电脑开启最大线程数

#!/usr/bin/env python
#coding=gbk

import threading
import time, random,  sys

class Counter:
def __init__(self):
self.lock = threading.Lock()
self.value = 0

def increment(self):
self.lock.acquire()
self.value = value = self.value + 1
self.lock.release()
return value

counter = Counter()
cond = threading.Condition()

class Worker(threading.Thread):

def run(self):
print self.getName(),  "-- created."
cond.acquire()
#for i in range(10):
# pretend we're doing something that takes 10?00 ms
#value = counter.increment()
# time.sleep(random.randint(10, 100) / 1000.0)
cond.wait()
#print self.getName(), "-- task", "finished"
cond.release()

if __name__ == '__main__':

try:
for i in range(3500):
Worker().start() # start a worker
except BaseException,  e:
print "异常: ", type(e),  e
time.sleep(5)
print "maxium i=",  i
finally:
cond.acquire()
cond.notifyAll()
cond.release()
time.sleep(3)
print threading.currentThread().getName(),  " quit"