python-signal

 1  #!/usr/bin/python
 2 
 3 import os,time
 4 from signal import *
 5 
 6 def get_sig(signum,stack):
 7     if signum==SIGINT:
 8         print "keep..."
 9     elif signum==SIGALRM:
10         print "get an alarm"
11     else:
12         print "other signal"
13 
14 
15 
16 alarm(7)
17 signal(SIGINT,get_sig)
18 signal(SIGALRM,get_sig)
19 
20 print "my pid is ",os.getpid()
21 
22 while True:
23     print "waiting...."
24     time.sleep(2)
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原文地址：https://www.cnblogs.com/chengyunshen/p/7195911.html