[erlang-questions] Pass Name to Dynamic Supervisors
Sat Sep 10 22:57:59 CEST 2011
Thanks, that's pretty close. How, or more importantly, when do I register
the name. Do I put this in the child worker/sup as part of the MFA used to
spawn it or can this be called by the parent once start_child has been
called? Best practice is all I'm looking for. Thanks again for pointing
this one out.
On Fri, Sep 9, 2011 at 1:03 PM, Garrett Smith <> wrote:
> On Wed, Sep 7, 2011 at 9:09 PM, Christopher Wilson <>
> > Is there a way to pass a name/ID into the call to supervisor:start_child,
> > more specifically to init()? I'd like to specify the name of the worker
> > supervisor such that when I ran supervisor:which_children I could
> > what's what.
> > Also, I've tried [unsuccessfully] to dynamically create a child spec and
> > pass that in. Are there any decent examples out there on how to do this
> > outside of the man pages?
> Take a look at:
> I'm not sure if that's the canonical repository -- maybe Ulf can weigh in.
> It's tempting, but I find it's best not to mess with the vanilla
> supervisory facility and instead use gproc for getting a list of named
> processes. You can also use gproc to publish interesting process stats
> to consumers, thus avoiding costly and intrusive queries to the
> processes themselves.
> This paper:
> provides the background for gproc and is otherwise an excellent read!
> You'll have a slight learning curve with gproc, but it's an
> *indispensable* tool so well worth it.
> It needs to be in the core :)
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