[erlang-questions] How do I start gproc in a global way?

[Ulf Wiger]

The answer is in the code…

https://github.com/uwiger/gproc/blob/master/src/gproc_sup.erl#L44

That is, use e.g. erl -gproc gproc_dist Opts

where the simplest setting is -gproc gproc_dist all

https://github.com/uwiger/gproc/blob/master/src/gproc_dist.erl#L71

You can set Opts to all | Nodes | {Nodes, GenLeaderOpts}

What GenLeaderOpts are depends a litre bit on which gen_leader you use.

As gen_leader doesn't handle net splits, you should ensure that nodes connect _before_ you start gproc_dist.

BR,
Ulf W

On 13 Dec 2011, at 23:30, Torben Hoffmann wrote:

> Hi,
> 
> I am trying to do a gproc:reg({n,g,somename}), but all I get for Christmas is:
> 
> CRASH REPORT Process <0.944.0> with 0 neighbours crashed with reason: {local_only,[{gproc,reg,2},{sb_coordinator,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}
> 
> I guess that gproc has to be started with some global mindset before I can use global names, but I cannot figure out how to provide that argument.
> 
> I am using rebar so my second guess is that I need to change my apps .app.src file and put the correct thing into the env list.
> 
> I have tried to read the documentation, but I have so far failed to figure out how to do this and google has not been kind to me tonight.
> 
> Any advice is most welcome!
> 
> Cheers,
> Torben
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