Re: Scheduler ( was: Just a second ) ...

[Helge Hafting <helgehaf@idb.hist.no>]

Doug Ledford wrote:

> Weel, evidently esd and artsd both do this (well, I assume esd does now, it
> didn't do this in the past).  Basically, they both transmit silence over the
> sound chip when nothing else is going on.  So even though you don't hear
> anything, the same sound output DMA is taking place.  

Uuurgh. :-(

> That avoids things
> like nasty pops when you start up the sound hardware for a beep and that

Yuk, bad hardware.  Pops when you start or stop writing?  You don't even
have to turn the volume off or something to get a pop?  Toss it.

> sort of thing.  It also maintains state where as dropping output entirely
> could result in things like module auto unloading and then reloading on the
> next beep, etc.  

Much better solved by having the device open, but not writing anything.
Open devices don't unload.

Helge Hafting