delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/2000/10/03/03:54:09

From: "Peter Remmers" <Peter DOT Remmers AT t-online DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: C Library: mmap() function
Date: Mon, 2 Oct 2000 17:25:55 +0200
Organization: T-Online
Lines: 28
Message-ID: <8ra9e3$n0u$11$1@news.t-online.com>
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1001002120239 DOT 29084B-100000 AT is> <8r9s4f$ej7$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE>
Mime-Version: 1.0
X-Trace: news.t-online.com 970500355 11 23582 320094726121-0001 001002 15:25:55
X-Complaints-To: abuse AT t-online DOT de
X-Sender: 320094726121-0001 AT t-dialin DOT net
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 5.00.2615.200
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de> schrieb in im
Newsbeitrag: 8r9s4f$ej7$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE...
> Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote:
>
> > On Mon, 2 Oct 2000, Peter Remmers wrote:
>
> >> Wouldn't it be possible to write a filesystem extension for
> >> say "/dev/fb0" which sits on VBE2.0, and then have a mmap() for getting
> >> a pointer to the framebuffer?
>
> > I fail to see how using VBE could help implementing mmap().
>
> I don't think that's what he was after. Rather the other way round:
> using mmap() as a more Unix-like interface to the framebuffer. I.e.
> mmap() might help to 'virtualize' or unify frame buffer access among
> several platforms, if it were supported on all of them and such a
> thing as a '/dev/framebuffer' existed on all of them.

Exactly, I was just looking for an application of mmap() which
could justify the effort of implementing it...
But, as you pointed out, it does not.
As I said, it was just an idea :-)

Peter



- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019