[erlang-questions] Fwd: Freeze gen_server

Gleb Vinogradov <>
Tue Mar 29 15:51:14 CEST 2016


Hi, Roberto.

Have you tried sys:suspend/1, sys:resume/1 ?

Gleb.

2016-03-29 19:44 GMT+06:00 Roberto Ostinelli <>:

> Dear list,
> I realize how this sounds but: is there a way to temporarily "freeze" a
> gen_server, so that messages sent to it are not received and its message
> box stays intact until it is "unfrozen"?
>
> What I am trying to achieve: I need to provide a "global lock" mechanism
> for a specific use case related to cluster conflict resolution. While that
> conflict resolution is ongoing, I want to ensure that no other changes
> happen anywhere else.
>
> Any ideas?
>
> Thanks,
> r.
>
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> 
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>
>
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