Donn,

True, but in that case I was using a driver for the Aardvark, and my current 
two test cases use:

A) DC1613A from LTC
B) /dev/i2c driver with FFI wrapper I wrote

Case A uses the haskell usb package and libusb. I suppose SIGVALRM could be in 
used in the libusb driver. I know for sure it is not used by my I2C stuff, 
unless it is behind the /dev/i2c user mode calls.

But interesting. Obviously the scheduler is using timers from the OS.

Is it really an advantage not to use OS threads all around? Is there anyway to 
enable such behavior to see if things are better?

Mike

On Jan 17, 2015, at 11:00 PM, Donn Cave <d...@avvanta.com> wrote:

> Quoth Michael Jones <m...@proclivis.com>,
> ...
>>> 5) What does -V0 do that makes a problem program run?
> 
> Well, there's that SIGVTALRM barrage, you may remember we went
> over that mid-August.  I expect there are other effects.
> 
>       Donn


_______________________________________________
Glasgow-haskell-users mailing list
Glasgow-haskell-users@haskell.org
http://www.haskell.org/mailman/listinfo/glasgow-haskell-users

Reply via email to