timeout.py 文件源码

def limitedTime(second, func, *args, **kw):
            second = fixTimeout(second)
            old_alarm = signal(SIGXCPU, signalHandler)
            current = getrlimit(RLIMIT_CPU)
            try:
                setrlimit(RLIMIT_CPU, (second, current[1]))
                return func(*args, **kw)
            finally:
                setrlimit(RLIMIT_CPU, current)
                signal(SIGXCPU, old_alarm)