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From: Mike Pritchard <mpp>
Message-Id: <199702160702.XAA16636@freefall.freebsd.org>
Subject: Re: cvs commit:  src/sys/sys types.h
To: bde@zeta.org.au (Bruce Evans)
Date: Sat, 15 Feb 1997 23:02:18 -0800 (PST)
Cc: ache@freefall.freebsd.org, cvs-all@freefall.freebsd.org,
        CVS-committers@freefall.freebsd.org, cvs-sys@freefall.freebsd.org
In-Reply-To: <199702160334.OAA05142@godzilla.zeta.org.au> from "Bruce Evans" at Feb 16, 97 02:34:13 pm
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Sounds like it is time for us to implement the poll system
call.  I noticed that OpenBSD has already done so.

Bruce Evans wrote:
> 
> >ache        97/02/15 14:26:30
> >
> >  Modified:    sys/sys   types.h
> >  Log:
> >  Bump default FD_SETSIZE from 256 to 1024 as many modern
> >  systems do nowdays (like SunOs 5.5.1 f.e.)
> >  256 is too small under real network load
> 
> Please back it out. The kernel is not read for this.  It always rounds up
> to a multiple of FD_SETSIZE bits.  This will clobber old applications.
> It also bzeros a multiple of 6 * FDSETSIZE bits.  This will take a
> fairly long time with a large FD_SETSIZE.  It already takes too long.
> All this is because select() is specified to handle `struct fd_set's.
> The kernel handles whole objects.
> 
> Bruce
> 


-- 
Mike Pritchard
mpp@FreeBSD.org
"Go that way.  Really fast.  If something gets in your way, turn"