[erlang-questions] otp supervisor terminate callback

[Seven Du]

Hi, 

I'd like to know is it possible to have a terminate callback that clean up things when the supervisor stops?

Specifically I want to write an application which starts a supervisor, and add a handler to some existing gen_event by calling gen_event:add_handler() on init(), and I want to call gen_event:remove_handler() when the application is stop. Is there an easy way to do it?

Thanks  

-- 
Seven Du
http://www.freeswitch.org.cn
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