The signal module is used to install your own signal handlers, as Example 3-11 shows. When the
interpreter sees a signal, the signal handler is executed as soon as
possible.
Example 3-11. 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..................Content has been hidden....................
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