diff options
| -rw-r--r-- | avahi-core/socket.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/avahi-core/socket.c b/avahi-core/socket.c index 184fa1b..444be6e 100644 --- a/avahi-core/socket.c +++ b/avahi-core/socket.c @@ -125,6 +125,9 @@ int avahi_mdns_mcast_join_ipv4(int fd, const AvahiIPv4Address *a, int idx, int j mdns_mcast_group_ipv4(&sa); mreq.imr_multiaddr = sa.sin_addr; + if (join) + setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)); + if (setsockopt(fd, IPPROTO_IP, join ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) { avahi_log_warn("%s failed: %s", join ? "IP_ADD_MEMBERSHIP" : "IP_DROP_MEMBERSHIP", strerror(errno)); return -1; |