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From: "James H. Cloos Jr." <cloos@jhcloos.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Mapping a piece of one process' addrspace to another?
Date: 07 Mar 2001 17:22:31 -0600	[thread overview]
Message-ID: <m3u255411k.fsf@austin.jhcloos.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0103070402160.2127-100000@weyl.math.psu.edu>
In-Reply-To: <Pine.GSO.4.21.0103070402160.2127-100000@weyl.math.psu.edu> (Alexander Viro's message of "Wed, 7 Mar 2001 04:09:31 -0500 (EST)")

>>>>> "AV" == Alexander Viro <viro@math.psu.edu> writes:

AV> Double ugh. Why bother with ioctl() when you can just have a
AV> second channel and do read()/write() on it?

Because you cannot rewrite -- or even re-compile -- every app this
should support.  OSS emulation by ALSA is a great example, given
how many binary-only apps already exist which need OSS emulation
on an ALSA box.

I'm sure sound is not the only real application for this.

-JimC
-- 
James H. Cloos, Jr.  <http://jhcloos.com/public_key>     1024D/ED7DAEA6 
<cloos@jhcloos.com>  E9E9 F828 61A4 6EA9 0F2B  63E7 997A 9F17 ED7D AEA6

  reply	other threads:[~2001-03-07 23:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-07  5:19 Mapping a piece of one process' addrspace to another? Jeremy Elson
2001-03-07  5:55 ` Alexander Viro
2001-03-07  6:02   ` Marcelo Tosatti
2001-03-07  8:13     ` Jeremy Elson
2001-03-07  8:40       ` Alexander Viro
2001-03-07  8:54         ` Jeremy Elson
2001-03-07  9:09           ` Alexander Viro
2001-03-07 23:22             ` James H. Cloos Jr. [this message]
2001-03-07  9:04         ` Abramo Bagnara
2001-03-07  9:10           ` Alexander Viro
2001-03-07  9:20             ` Abramo Bagnara
2001-03-07  9:49               ` Alexander Viro
2001-03-07 13:01                 ` Abramo Bagnara
2001-03-07 21:02                 ` Jeremy Elson
2001-03-07  8:58       ` Abramo Bagnara
2001-03-07 18:17     ` Pavel Machek
  -- strict thread matches above, loose matches on Subject: below --
2001-03-07 10:51 Manfred Spraul
2001-03-07 13:57 Jesse Pollard

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