1 #!/usr/bin/python
2 #coding:utf-8
3 import threading
4 import datetime
5 import logging
6 import time
7 import random
8
9 logging.basicConfig(level = logging.DEBUG,format='(%(threadName)-10s) %(message)s',)
10 list = ['192.168.0.0', '192.168.0.1', '192.168.0.2', '192.168.0.3', '192.168.0.4', '192.168.0.5', '192.168.0.6', '192.168.0.7', '192.168.0.8', '192.168.0.9',
11 '192.168.0.10', '192.168.0.11', '192.168.0.12', '192.168.0.13', '192.168.0.14', '192.168.0.15', '192.168.0.16', '192.168.0.17', '192.168.0.18']
12 class Test(threading.Thread):
13 def __init__(self,threadingSum, ip):
14 threading.Thread.__init__(self)
15 self.ip = ip
16 self.threadingSum = threadingSum
17
18 def run(self):
19 with self.threadingSum:
20 logging.debug("%s start!" % self.ip)
21 time.sleep(random.randint(1,3))
22 logging.debug('%s Done!' % self.ip)
23
24
25 if __name__ == "__main__":
26 #设置线程数
27 threadingSum = threading.Semaphore(3)
28
29 #启动线程
30 for ip in list:
31 t = Test(threadingSum,ip)
32 t.start()
33 #等待所有线程结束
34 for t in threading.enumerate():
35 if t is threading.currentThread():
36 continue
37 t.join()
38
39 logging.debug('Done!')
