Python3多线程例子

技术要点：Python3，多线程，函数指针，Ctrl+C退出

#!/usr/bin/python3
# -*- coding:utf-8 -*-

import threading
import time
import sys,signal
import array

#全局变量
exitFlag = 0

class LovoThread (threading.Thread):
    def __init__(self, Func, name, counter):
        threading.Thread.__init__(self)
        self.func = Func
        self.name = name
        self.counter = counter
    def run(self):
        print ("开始线程：" + self.name)
        self.func(self.name, self.counter, 1)
        print ("退出线程：" + self.name)

def lovo_reader(threadName, counter, delay):
    global exitFlag
    while counter:
        if exitFlag:
            break
        time.sleep(delay)
        print ("%s: %s  -- %d" % (threadName, time.ctime(time.time()), counter))
        counter -= 1

def lovo_sender(threadName, counter, delay):
    global exitFlag
    while counter:
        if exitFlag:
            break
        time.sleep(delay)
        print ("%s: %s  -- %d" % (threadName, time.ctime(time.time()), counter))
        counter -= 1

def quit(signum, frame):
    global exitFlag
    print('中断执行.')
    exitFlag = 1
    sys.exit()

if __name__ == "__main__":  
    
    # Ctrl + C 退出
    signal.signal(signal.SIGINT, quit)
    signal.signal(signal.SIGTERM, quit)

    # 创建新线程
    thread1 = LovoThread(lovo_reader, "Reader", 15)
    thread2 = LovoThread(lovo_sender, "Sender", 20)

    # 开启新线程
    thread1.start()
    thread2.start()
    thread1.join()
    thread2.join()
    print ("退出主线程")