[LAD] [Jack-Devel] more jack/qjackctl madness : some comments

[Stéphane Letz]

Le 17 mai 09 à 20:10, Paul Davis a écrit :

> On Sun, May 17, 2009 at 2:04 PM, Stéphane Letz <letz at grame.fr> wrote:
>>
>> The point is that when compiled in D-Bus mode, libjack behaves  
>> differently
>> regarding the way it start the server: it does not use the fork 
>> +exec mode
>> anymore but call the D-Bus service to start the server. This  
>> "simple" change
>> is the source of all the problems we then see.
>
> so if i understand correctly, there is effectively a layer of
> indirection. rather than a request arriving via D-Bus leading to a
> normal fork-exec, it leads to D-Bus service request, which presumably
> (somewhere, sometime) leads to a fork-exec of the server? is this
> correct?

"Show me the code" :

http://trac.jackaudio.org/browser/jack2/trunk/jackmp/posix/ 
JackPosixServerLaunch.cpp

It starts the D-Bus jackaudio service that actually starts "jackdbus"  
process with it's own logic (server settings save/restore and so on...)

Hoppefully I described it right (Nedko again?)

Stephane