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[python] 使用 signal

2010-06-12 14:41:58| 分类： lang_python | 标签： |举报 |字号大中小订阅

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python 中使用 signal 比较简单，理论上多线程下也可以保证接受到，处理掉各种平台上不一致的问题。

-----------------------------------------------------

import signal, threading

stop_thread = False

def handler(signum, frame):

print "sig"

global stop_thread

stop_thread = True

class MyThread(threading.Thread):

def run(self):

print "1111 start"

while not stop_thread:

pass

print "1111 done"

signal.signal(signal.SIGUSR1, handler)

thr = MyThread()

thr.start()

print "2222"

while not stop_thread:

pass

stop_thread = False

print "3333"

while not stop_thread:

pass

print "4444"

-----------------------------------------------------

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