cvs commit: src/sys/i386/i386 trap.c src/sys/kern kern_poll.c
joerg at britannica.bec.de
Wed May 25 01:40:27 PDT 2005
On Wed, May 25, 2005 at 01:06:53AM -0700, Matthew Dillon wrote:
> Putting a hook in the trap code does not result in any sort of
> deterministic operation. I don't know who put that hack in there
> (inherited from FreeBSDland) and I don't want to know. That whole mess
> was put in because hardclock (the normal polling point) is a totally
> inadequate place to trigger the poll.
The reason it is there doesn't have anything to do with hardclock.
It's cheap to check there and helps network programs by reducing
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