[erlang-questions] Stopping a supervisor running under a supervisor

Sean Cribbs sean@REDACTED
Tue Jan 6 15:20:30 CET 2015


Did you try supervisor:terminate_child/2?

On Mon, Jan 5, 2015 at 11:44 PM, Chris Clark <boozelclark@REDACTED> wrote:

> Hi Antonio
>
> Thanks for the assistance. From what I have read  a supervisor should stop
> if it is sent a shutdown signal using exit(Pid, shutdown). but it will
> only accept that signal from its parent process in an OTP application. I
> tried creating a function in the parent supervisor(my_supersup)
> stop_child(Pid) that then sends the exit(pid, shutdown) signal and then
> call that from the shell but that doesn't seem to stop it either.
>
> Thanks,
>
> On Tue, Dec 30, 2014 at 11:47 PM, Antonio Dias <antonio.r.dias@REDACTED>
> wrote:
>
>> Hi, i'm fairly new to Erlang also, but can't you send a 'stop' message
>> and use that to stop the process?
>>
>> ADias
>>
>> On Thu, Dec 11, 2014 at 10:40 AM, Chris Clark <boozelclark@REDACTED>
>> wrote:
>>
>>> Hi
>>>
>>> I am fairly new to erlang and have a question regarding properly
>>> stopping a supervisor that resides directly under another supervisor.
>>>
>>> My application consist of a top level supervisor (my_supersup) which is
>>> a simple_one_for_one supervisor of other supervisors my_sup. Each my_sup
>>> supervises a gen_server, serv and another supervisor that is also a
>>> simple_one_for_one supervisor of some workers
>>>
>>> my_supersup
>>> (simple_one_for_one, transient)
>>> |
>>> |_______ ...
>>> |
>>> my_sup (one_for_all, transient)
>>> |________________
>>> |                            |
>>> |                           serv
>>> worker_sup
>>> (simple_one_for_one, transient)
>>> |___________ ...
>>> |              |
>>> w1          w2
>>>
>>> How do shutdown an instance of my_sup gracefully without killing it. At
>>> present I can do it with supervisor:terminate_child and
>>> supervisor:delete_child but I would like them to shutdown rather than be
>>> killed if possible?
>>>
>>> Thanks in advance.
>>>
>>> _______________________________________________
>>> erlang-questions mailing list
>>> erlang-questions@REDACTED
>>> http://erlang.org/mailman/listinfo/erlang-questions
>>>
>>>
>>
>
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>


-- 
Sean Cribbs <sean@REDACTED>
Sr. Software Engineer
Basho Technologies, Inc.
http://basho.com/
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