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import signal
import time
import traceback
def timeout_handler(signum, frame):
print(signum)
print(frame)
print("timeout")
raise Exception("timeout")
def timeout1(fun):
def wapper(*args, **kwagrs):
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(-1)
return fun(*args, **kwagrs)
return wapper
def timeout(time_s=0):
def wrapper(fun):
def _wrapper(*args, **kwagrs):
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(time_s)
return fun(*args, **kwagrs)
return _wrapper
return wrapper
@timeout(0)
def test1(name):
print("test1 start")
print(name)
time.sleep(2)
print("test1 end")
return "test1"
@timeout(2)
def test2():
print("test2 start")
time.sleep(3)
print("test2 end")
return "test2"
@timeout(4)
def test3():
print("test3 start")
time.sleep(4)
print("test3 end")
return "test4"
def test4():
try:
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(3)
print("test4 start")
time.sleep(4)
print("test4 end")
signal.alarm(0)
except Exception:
print(traceback.format_exc())
if __name__ == '__main__':
print(test1("aaaa"))
print(test2())
print(test3())
test4()
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