python的多线程示例，python多线程示例,#!/usr/bin/e

python的多线程示例，python多线程示例,#!/usr/bin/e

#!/usr/bin/env pythonimport subprocessfrom threading import Threadfrom Queue import Queuenum_threads = 3ips = ['127.0.0.1', '10.103.13.156','10.103.13.145']q = Queue()def pingme(i, queue):    while True:        ip = queue.get()        print 'Thread %s pinging %s ' % (i, ip)        ret = subprocess.call('ping -c 1 %s' % ip, shell=True, stdout=open('/dev/null'), stderr=subprocess.STDOUT)        if ret == 0:            print '%s is alive!' % ip        else:            print '%s is down...' % ip# start threadsfor i in xrange(num_threads):    t = Thread(target=pingme, args=(i, q))    t.setDaemon(True)    t.start()for ip in ips:    q.put(ip)print 'main thread waiting...'q.join()print 'Done..'if __name__ == '__main__':    pass

输出内容：

/usr/bin/python2.7 /home/wuguowei/PycharmProjects/xplan_script/test_process/my_sub_process.pyThread 1 pinging 127.0.0.1 main thread waiting...Thread 0 pinging 10.103.13.156 Thread 2 pinging 10.103.13.145 127.0.0.1 is alive!10.103.13.156 is alive!10.103.13.145 is alive!