multicast support

[Raimo Niskanen]

Carlos's patch has also been accepted for the next R9 release.

/ Raimo Niskanen, Erlang/OTP



Vance Shipley wrote:
> 
> The (undocumented) gen_udp options gen_udp add_membership and drop_membership 
> do not work simply because they were left out of the list of allowable options.
> The following patch against R9B-1 is tested and working:
> 
> 
> $ diff inet.erl inet.erl.dist
> 373,374c373
> <      broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop,
> <      add_membership, drop_membership].
> ---
> 
>>     broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop].
> 
> 
> 
> This, along with another bug, were previously reported by Carlos <carlos@REDACTED>:
> 
> 
>    http://www.erlang.org/ml-archive/erlang-questions/200112/msg00068.html
> 
> 
>       -Vance
> 
> 
> Vance Shipley
> Motivity Telecom Inc.
> +1 519 240 3684
> vances@REDACTED