[LAD] Session Handlers and 'level 1' support

[rosea grammostola]

rosea grammostola wrote:
> Hi,
>
>
> I don't know who locked himself up after the 'LADI' discussion to 
> actually write an session handler for Linux. :) But in meantime Ladish 
> has added 'level 1' support:
>
> "When ladish studio is being saved, applications that are run at level 
> 1 receive the SIGUSR1 UNIX signal.
> In signal handler function, a global variable can be set to mark that 
> save is needed. On next main loop iteration, the global variable is 
> checked and eventually save is made.
> Save of the internal state can be made in a fixed file path, but it is 
> more useful to supply the file path through commandline. When 
> starting, app loads its internal state from the file specified. When 
> saving, app saves its internal state to the file specified."
> http://ladish.org/wiki/level1
>
> Ams, Jack_Mixer and  calfjackhost (in progress) has already added 
> level 1 support, and it seems to work OK (all though there are some 
> improvements ahead).
>
> An advantage compared to 'LASH' or 'Ladish' support seems to be that 
> level 1 is pretty easy to implement by the application developers.
>
>
> Now I'm wondering whether this 'level 1' could be a point of agreement 
> between different (potential) Session Handlers for Linux. If other 
> Session Handlers also adds 'level 1' support, it would make the 
> implementation of more then one Session Handler more easy and less 
> problematic for the Linux Audio world in my opinion. What do you think?
Hi,

No 'onlist' replies? I think it's in anyones benefit to communicate 
about the goods and bads of some designs. We might learn something from 
it, rearrange and improve things..

\r