[PD] pd-watchdog

[Miller Puckette]

It's supposed to put Pd to sleep for a short time by sending it a "HUP"
signal that Pd should duly catch and go to sleep for 30 msec.  The hope is
that that would be an adequate amount of time for the rest of the system to
sort of run minimally... if that wasn't done you'd never get your machine
back.

There's another problem that I've been unable to resolve which is why the CPU 
usage mysteriously goes up on P4s (there have been postings about this but
I don't have a P4 handy to try things on...)  It has to do with the P4s
throwing floating exceptions at rude times.

cheers
Miller

On Thu, Nov 07, 2002 at 12:12:57AM -0600, Ben Saylor wrote:
> I sometimes encounter situations where Pd (0.35/Linux) spontaneusly
> starts eating all available CPU, and I have to wait until I can get a
> keystroke in edgewise to kill it.  While this is going on,
> 
>   watchdog: signaling pd...
> 
> is printed repeatedly in the terminal, but apparently this watchdog
> is unsuccessful.  Is it supposed to turn off DSP or something?
> 
> Ben
> 
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