Date: Thu, 17 Apr 1997 09:30:19 -0700 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: Brett Glass <brett@lariat.org> Cc: dk+@ua.net, freebsd-hardware@FreeBSD.org Subject: Re: talk to I/O Devices. Message-ID: <6484.861294619@time.cdrom.com> In-Reply-To: Your message of "Thu, 17 Apr 1997 09:21:03 MDT." <3.0.1.32.19970417092103.0070f97c@lariat.org>
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> control applications! Also, the sample code in previous messages in > this thread seems to indicate that one can read and write directly. That's correct. Opening /dev/io simply grants you the permissions, it in no way acts as an "I/O gate" or otherwise gets involved in any part of the transaction after it's opened. It's just a permissions hack and nothing more. Jordan
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