max_thread_count.py

#!/usr/bin/env python
#coding=utf-8

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()
        cond.wait()
        cond.release()

if __name__ == '__main__':
        try:  
            for i in range(10000):
                Worker().start() # start a worker
        except BaseException, e:
            print "error: ", type(e), e
            time.sleep(5)
            print "max thread count : ", i
        finally:  
            cond.acquire()
            cond.notifyAll()
            cond.release()
            time.sleep(3)
            print threading.currentThread().getName()," quit"