_socket3.py 文件源码

def __init__(self, family=AF_INET, type=SOCK_STREAM, proto=0, fileno=None):
        # Take the same approach as socket2: wrap a real socket object,
        # don't subclass it. This lets code that needs the raw _sock (not tied to the hub)
        # get it. This shows up in tests like test__example_udp_server.
        self._sock = self._gevent_sock_class(family, type, proto, fileno)
        self._io_refs = 0
        self._closed = False
        _socket.socket.setblocking(self._sock, False)
        fileno = _socket.socket.fileno(self._sock)
        self.hub = get_hub()
        io_class = self.hub.loop.io
        self._read_event = io_class(fileno, 1)
        self._write_event = io_class(fileno, 2)
        self.timeout = _socket.getdefaulttimeout()