Python_多线程

import thread
thread.start_new_thread ( function, args[, kwargs] )
#    function:    线程函数。
#    args:        传递给线程函数的参数，他必须是个tuple类型。
#    kwargs:        可选参数。
##################################例子
import thread
import time
# 为线程定义一个函数
def print_time( threadName, delay):
    count = 0
    while count < 5:
        time.sleep(delay)
        count += 1
        print "%s: %s" % ( threadName, time.ctime(time.time()) )
        thread.exit()    #通过抛出异常SystemExit Exception来退出异常。
# 创建两个线程
try:
    thread.start_new_thread( print_time, ("Thread-1", 2, ) )
    thread.start_new_thread( print_time, ("Thread-2", 4, ) )
except:
    print "Error: unable to start thread"
while 1:
    pass