def wakeup(self):
        """\
        Wake up the arbiter by writing to the PIPE
        """
        try:
            os.write(self.PIPE[1], b'.')
        except IOError as e:
            if e.errno not in [errno.EAGAIN, errno.EINTR]:
                raise
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/gunicorn/arbiter.py/Arbiter.wakeup/original