The signal module
This module is used to install your own signal handlers. When the interpreter sees a signal, the signal handler is executed as soon as possible.
Example: Using the signal module
# File: signal-example-1.py import signal import time def handler(signo, frame): print "got signal", signo signal.signal(signal.SIGALRM, handler) # wake me up in two seconds signal.alarm(2) now = time.time() time.sleep(200) print "slept for", time.time() - now, "seconds"
got signal 14 slept for 1.99262607098 seconds