#!/usr/bin/python
#coding=utf-8
#http://docs.python.org/library/threading.html
import threading, time, random
from collections import deque
class threadPool(object):
def __init__(self, maxNum = 10):
self.maxNum = maxNum
self.deque = deque()
def push(self, target, args = None):
t = threading.Thread(target=target, args=args)
self.deque.append(t)
def run(self):
while True:
#队列没有进程就退出
if len(self.deque) == 0: break
if threading.activeCount() < self.maxNum + 1:
t = self.deque.popleft()
t.start()
time.sleep(0.00001) #减少CPU的损耗
# Define a function for the thread
def print_time( threadName, delay):
print "%s: %s\t%s" % ( threadName, time.ctime(time.time()) , delay)
time.sleep(delay)
if __name__ == '__main__':
pool = threadPool(2)
for i in range(1000):
pool.push(target=print_time, args=("Thread-%d" % i, random.randint(1, 100) * 0.001))
pool.run()
