test_signal.py 文件源码

def test_wakeup_fd_early(self):
        self.check_wakeup("""def test():
            import select
            import time

            TIMEOUT_FULL = 10
            TIMEOUT_HALF = 5

            signal.alarm(1)
            before_time = time.time()
            # We attempt to get a signal during the sleep,
            # before select is called
            time.sleep(TIMEOUT_FULL)
            mid_time = time.time()
            dt = mid_time - before_time
            if dt >= TIMEOUT_HALF:
                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
            select.select([read], [], [], TIMEOUT_FULL)
            after_time = time.time()
            dt = after_time - mid_time
            if dt >= TIMEOUT_HALF:
                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
        """, signal.SIGALRM)