[erlang-questions] excute code in the supervisor when a child crashes?
Mon Oct 19 19:40:55 CEST 2009
Why having an even handler is better then just monitoring the child processes?
How will the event manager be informed of crashed child processes?
From: Roberto Aloi <>
To: Pablo Platt <>
Sent: Mon, October 19, 2009 7:23:02 PM
Subject: Re: [erlang-questions] excute code in the supervisor when a child crashes?
what you actually need is an event handler. More information here:
One approach could be to append a handler process to your supervisor, managing the ets table whenever one of the children crash.
On Oct 19, 2009, at 5:12 PM, Pablo Platt wrote:
> I have a supervisor with simple_one_for_one.
> When I start children with supervisor:start_child I save the child pid in an ETS table
> so I'll be able to exchange messages between all the child processes.
> When a child crashes I need to delete his pid from the ETS table or it'll grow constantly and eat all my memory.
> Is it possible to execute code when a child crashes or terminates?
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