[erlang-questions] Supervisor "spin rates"

[Mike Oxford]

Somehow I misread that section to mean that 'ignore' would be treated as a
non-success and would cause supervisor shutdown.

Thank you!

-mox

On Wed, Apr 13, 2011 at 4:05 PM, Vance Shipley <vances@REDACTED> wrote:

> On Wed, Apr 13, 2011 at 03:26:30PM -0700, Mike Oxford wrote:
> }  That will terminate the supervisor as well, which is then restarted....
>
> The supervisor will ignore the child.  supervisor:start_child/2
> will return {ok, undefined}.
>
> Start the supervisor:
>
>     2> {ok, Sup} = supervisor:start_link(ignore_sup, []).
>     {ok,<0.43.0>}
>
> It has no children:
>
>     3> supervisor:which_children(Sup).
>     []
>
> Starting the child:
>
>     4> supervisor:start_child(Sup, []).
>
>     =ERROR REPORT==== 13-Apr-2011::18:59:01 ===
>     Ignoring: <0.46.0>
>     {ok,undefined}
>
> The child specification is installed:
>
>     5> supervisor:which_children(Sup).
>     [{undefined,undefined,worker,[ignore_server]}]
>
> But the child process reported above is not alive:
>
>     6> is_process_alive(list_to_pid("<0.46.0>")).
>     false
>
>
> --
>         -Vance
>
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