test_signal.py 文件源码

def test_wakeup_fd_during(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 select call
            try:
                select.select([read], [], [], TIMEOUT_FULL)
            except OSError:
                pass
            else:
                raise Exception("OSError not raised")
            after_time = time.time()
            dt = after_time - before_time
            if dt >= TIMEOUT_HALF:
                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
        """, signal.SIGALRM)