Date: Fri, 28 Aug 1998 13:51:10 -0700 (PDT) From: "Steven G. Kargl" <kargl@troutmask.apl.washington.edu> To: mike@smith.net.au (Mike Smith) Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: new gpib driver and select/poll issues Message-ID: <199808282051.NAA14051@troutmask.apl.washington.edu> In-Reply-To: <199808281335.NAA00923@dingo.cdrom.com> from Mike Smith at "Aug 28, 1998 1:35:31 pm"
next in thread | previous in thread | raw e-mail | index | archive | help
According to Mike Smith:
> > Ladies and Gents,
> >
> > John Galbraith has been writing a new GPIB driver. His effort
> > appears to be targeted at a 2.2.x system.
> >
> > I'm trying to make his stuff work under -current, and I have
> > run into a problem with the use of poll versus select in -current.
> > In particular, the changes in revision 1.34 of sys/sys/conf.h
> > have eliminated d_select_t and noselect which John uses. The
> > d_select_t can be replaced by d_poll_t, but does one do about
> > the noselect.
> >
> > This snippet is the part of the code in question.
>
> Studying other drivers tends to indicate that it should become
> 'seltrue'.
>
Okay. I'll see what happens. I don't have a 2.2.x system to
compare against, but it seems to me to be some sort of negative
logic.
seltrue ---> select is true (a select function is available for
this device driver).
noselect --> no select function available.
--
Steve
finger kargl@troutmask.apl.washington.edu
http://troutmask.apl.washington.edu/~clesceri/kargl.html
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hardware" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199808282051.NAA14051>