[erlang-questions] gen_tcp:transfer_ownership of socket to another node?

[Tony Rogvall]

Here is the answer ;-)


(a@REDACTED)2> Pid = spawn(b@REDACTED, fun() -> receive X ->  
io:format("got ~p\n", [X]) end end).
<6016.42.0>
(a@REDACTED)3> {ok,U} = inet_udp:open(0,[]).
{ok,#Port<0.451>}
(a@REDACTED)4> inet_udp:controlling_process(U, Pid).
{error,badarg}

I other words it is not allowed.

/Tony
On 23 jan 2009, at 09.46, Thijs Terlouw wrote:

> What happens when I accept a new TCP connection (in processA) and  
> then transfer the ownership of that socket from processA to processB  
> which is running on another Erlang node(B)? I assume that Beam then  
> keeps 'something' running on the original node(A) to keep the  
> connection open, even if processA is killed?
>
> That way i would be able to send data to the socket from processB  
> after processA is killed? The data would then be copied from one VM  
> to another VM (because the socket cannot move of course)?
>
> Is this correct?
>
> Thijs Terlouw - China
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