sock.py 文件源码

def set_options(self, sock, bound=False):
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        if hasattr(socket, 'SO_REUSEPORT'):  # pragma: no cover
            try:
                sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
            except socket.error as err:
                if err[0] not in (errno.ENOPROTOOPT, errno.EINVAL):
                    raise
        if not bound:
            self.bind(sock)
        sock.setblocking(0)

        # make sure that the socket can be inherited
        if hasattr(sock, "set_inheritable"):
            sock.set_inheritable(True)

        sock.listen(self.conf.backlog)
        return sock