socket.py 文件源码

def recv_into(self, *args):
        sock = self._sock
        while True:
            try:
                return sock.recv_into(*args)
            except error, ex:
                if ex[0] == EBADF:
                    return 0
                if ex[0] != EWOULDBLOCK or self.timeout == 0.0:
                    raise
                sys.exc_clear()
            try:
                wait_read(sock.fileno(), timeout=self.timeout, event=self._read_event)
            except error, ex:
                if ex[0] == EBADF:
                    return 0
                raise