擅长:python、mysql、java
<p>这对你有用吗?基本上,为监听器启动另一个线程并在那里等待主线程等待信号。</p>
<pre><code>#!/usr/bin/python
import threading, signal
class Listener(threading.Thread):
def __init__(self, event):
super(Listener, self).__init__()
self.event = event
def run(self):
while not self.event.is_set():
print("Listener started, waiting for messages ...")
self.event.wait()
print("Listener is terminated ...")
self.event.clear()
event = threading.Event()
def handler(signum, frame):
global event
event.set()
print('Signal handler called with signal [%s]' % signum)
if __name__ == "__main__":
signal.signal(signal.SIGINT, handler)
listener = Listener(event)
listener.start()
while listener.is_alive():
pass
</code></pre>