constant Socket::MCAST_UNBLOCK_SOURCE

MCAST_UNBLOCK_SOURCE -> Integer[permalink][rdoc]

Unblock multicast packets from this source

BasicSocket#getsockopt, BasicSocket#setsockopt の第2引数(optname)に使用します。

[SEE_ALSO] Socket::Constants::IPPROTO_IP, Socket::Constants::IPPROTO_IPV6, [RFC3678]