[erlang-questions] Erlang supervisor start_child

[Alexey Romanov]

>From documentation of gen_fsm:start_link:

If FsmName={local,Name}, the gen_fsm is registered locally as Name
using register/2. If FsmName={global,GlobalName}, the gen_fsm is
registered globally as GlobalName using global:register_name/2. If no
name is provided, the gen_fsm is not registered.

Since you can't have two processes with same registered name on a
node, you need to provide different names (or no names at all).

Yours, Alexey Romanov



On Sun, Jan 30, 2011 at 4:57 PM, shk <kuleshovmail@REDACTED> wrote:
>
> Hello,
>
> I write pop3 server. My application:
>
>       root supervisor (one_for_one)  -> listener supervisor(one_for_one) ->
> fsm supervisor (simple one_for_one) and listener gen_server
>
> I run all supervisors it's ok. When i try to start_child of fsm supervisor 2
> or more times i get error: {error,{already_started,<0.324.0>}}
>
> How can i correctly design my supervisors that i can run many gen_fsm child
> by fsm supervisor.
>
> All code: https://github.com/onlyshk/epmail
>
> Thank you.
> --
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