[reSIProcate] Softphone call object

[Niraj Roy]

Hi,
	I am developing one Multithreaded application using resiprocate.
	I have two dum and it's associated two stacks, both runs in a single
thread.
	The code look like
	  	   while (true)
		  {
//Process for UAC
			  FdSet fdsetUac;

			  stackUac.buildFdSet(fdsetUac);
			  int err = 1;

			  fdsetUac.selectMilliSeconds(5);
			  assert ( err != -1 );

			  stackUac.process(fdsetUac);
			  while(DumUac->process());

//Process for UAS
			 FdSet fdsetUas;
 			  stackUas.buildFdSet(fdsetUas);

			  fdsetUas.selectMilliSeconds(5);
			  assert ( err != -1 );

			  stackUas.process(fdsetUas);
			  while(DumUas->process());


		  }
	In my other thread i am using functions provided by dum like.
	dum->makeRegistration(uAor,appDialogSet),
	dum->send(regMessage) etc..

	Does this create some problem ?

Regards,
Niraj


-----Original Message-----
From: resiprocate-devel-bounces at list.sipfoundry.org
[mailto:resiprocate-devel-bounces at list.sipfoundry.org]On Behalf Of Scott
Godin
Sent: Thursday, November 17, 2005 12:48 AM
To: Dmytro Bogovych; resiprocate-devel at list.sipfoundry.org
Subject: RE: [reSIProcate] Softphone call object
Importance: High


Technically you are not allowed to do this - dum is not thread safe.
You cannot call dum API's from one thread while dum->process is running
in another thread.  Please see the note on the wiki:
http://wiki.resiprocate.org/wiki/index.php?title=DUM_Threading




> -----Original Message-----
> From: resiprocate-devel-bounces at list.sipfoundry.org
[mailto:resiprocate-
> devel-bounces at list.sipfoundry.org] On Behalf Of Dmytro Bogovych
> Sent: Wednesday, November 16, 2005 2:14 PM
> To: resiprocate-devel at list.sipfoundry.org
> Subject: [reSIProcate] Softphone call object
>
> Greetings.
>
> In my softphone application I'm using subclassing AppDialogSet to
store
> specific data - RTP transmitter parameters etc.
>
> I'm trying to finish the established session in the next way:
> 1. Get stored AppDialogSetHandle
> 2. Check if AppDialogSetHandle.isValid()
> 3. If yes - then call AppDialogSetHandle->get()->end()
>
> Stack & DUM are running in first separate thread and this call is
running
> in the second separate thread.
>
> Question:
> Is there chance to get AppDialogSet deleted by first thread between
step 2
> and 3?
>
>
> --
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