On Thu, 11 Nov 1999 23:47:35 -0800, Dan Kegel <dank@alumni.caltech.edu>
said:
> The signal model gives you the best of both worlds: low overhead
> when only a few fd's at a time need attention (no linear scan),
> and low overhead when they all do (same as old poll() method,
> but with the extra overhead of a single SIGIO).
> sct must be sleeping, or he would have answered like this, I think :-)
You did it fine yourself. :) One thing I do want to add is a
per-process limit to the sigqueue depth, just to make the model degrade
even better under high signal load, but otherwise you summed it up
pretty well.
--Stephen
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