[erlang-questions] questions about supervisor behavior

Fernando Benavides <>
Mon Dec 27 16:55:28 CET 2010


I think your problem is that you're not linking the workers to the
supervisor.  Remember the supervisor documentation:

> The start function must create and link to the child process, and
> should return {ok,Child} or {ok,Child,Info} where Child is the pid of
> the child process and Info an arbitrary term which is ignored by the
> supervisor.

You can try using gen_server:start_link/4 (i.e.
gen_server:start_link({local, Name}, ?MODULE, [], []).) instead of
gen_server:start/4

Hope this helps :)

On Mon, 2010-12-27 at 23:42 +0800, Seven Du wrote:

> Hi all,
> 
> I have problems on get the supervisor working.
> 
> I want to start a supvisor with 3 children, and then dynamically add
> children. Everything works fine except that when a child crashes, the
> supervisor doesn't know and then cannot restart automatically. What
> I'm doing wrong?
> 
> Code in the following link.
> 
> https://gist.github.com/756214
> 
> Thanks.
> Seven.
> 
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