[Freeswitch-dev] about developing modules and documentation

[Anthony Minessale]

The shutdown callback must stop all the allocated services and threads
before it exits.
That is how it can make sure everything us unallocated.


On Mon, Jul 30, 2012 at 5:34 PM, Juan Pablo L.
<jpablolorenzetti at hotmail.com> wrote:
>
> thank you very much i appreciated.
> so regarding my doubts i guess the answer would be
> that there is not such documents or explanations ?
> (i have not yet watched the video) cause right now
> i m blinded, just copying what other modules are doing
> but without really understanding why .... thanks!
>
> ________________________________
>> Date: Mon, 30 Jul 2012 15:30:29 -0700
>> From: msc at freeswitch.org
>> To: freeswitch-dev at lists.freeswitch.org
>> Subject: Re: [Freeswitch-dev] about developing modules and documentation
>>
>> I suggest you listen to Ken Rice's "DIY dialplan" presentation:
>> http://torrents.freeswitch.org/conf_call_2012-05-16.torrent
>>
>> He makes a lot of interesting statements about doing modules. He may
>> not answer all of these questions specifically but it's definitely
>> worth your time.
>> http://torrents.freeswitch.org/conf_call_2012-05-16.torrent
>>
>> -MC
>>
>> On Mon, Jul 30, 2012 at 3:26 PM, Juan Pablo L.
>> <jpablolorenzetti at hotmail.com<mailto:jpablolorenzetti at hotmail.com>>
>> wrote:
>>
>> Hi, yes thanks! i checked that and i do not have an issue in building
>> the module, that
>> is clear thanks to that page and other module source codes, what i do
>> not understand
>> are things like (locking mainly): when freswitch calls the unload
>> function in the module,
>> is there a chance that some of the code could be in the middle of
>> execution in a different call (different thread)?
>> , can the load function be called more than once ? i know (deducted
>> really) that the main function,
>> the one that actually implements the functionality can be called from
>> different threads (as i read freeswitch uses different
>> threads to treat incoming calls into the switch) so if i have something
>> shared but i know it wont change
>> for as long as the module is loaded i do not need to put a lock but
>> that same thing has some memory allocated
>> that will be freed when freeswitch deleted the memory pool after
>> unloading the module that was passed at loading time ..
>> i also read that using the session memory pool is not good idea, so
>> almos all stock modules use it like vm ?
>> so i m trying to figure out all these but i do not find docs about it
>> ... and you know how murphy is ..
>>
>>
>>
>> ----------------------------------------
>>  > Date: Tue, 31 Jul 2012 00:05:50 +0200
>>  > From: daniel.swarbrick at gmail.com<mailto:daniel.swarbrick at gmail.com>
>>  > To:
>> freeswitch-dev at lists.freeswitch.org<mailto:freeswitch-dev at lists.freeswitch.org>
>>  > Subject: Re: [Freeswitch-dev] about developing modules and documentation
>>  >
>>  > Have you checked
>>  > http://wiki.freeswitch.org/wiki/Authoring_Freeswitch_Modules ?
>>  >
>>  > On 30/07/12 23:55, Juan Pablo L. wrote:
>>  > > Hi, i m not sure if this is the correct list but i m developing a
>> module to perform
>>  > > some services but i do not have a clear understanding how modules
>> are treated/managed
>>  > > in freeswitch and its internal flow when it is calling the
>> functions from modules, etc etc .. i m looking
>>  > > into other modules source codes but there are pieces (well all the
>> code related to multi-threated) that
>>  > > i do not understand because i do not have this base. thanks!
>>  >
>>  >
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-- 
Anthony Minessale II

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