Date: Wed, 24 Nov 2004 10:41:24 -0800 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: Chuck Swiger <cswiger@mac.com> Cc: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> Subject: Re: Transparent bridges (a. k. a. HUB-to-PCI bridges)? Message-ID: <20041124184124.GA5166@funkthat.com> In-Reply-To: <41A416E7.4030107@mac.com> References: <200411231226.38172.jkim@niksun.com> <200411231343.22760.jhb@FreeBSD.org> <20041124002603.GD20881@squash.dsto.defence.gov.au> <41A416E7.4030107@mac.com>
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Chuck Swiger wrote this message on Wed, Nov 24, 2004 at 00:06 -0500:
> Wilkinson, Alex wrote:
> >2. OOPish device object (device_t) ?
>
> True OOP involves encapsulation, polymorphism, and inheritence, and
> requires language support which is not really available in pure C. That
> being said, careful programming in C lets you create several
> closely-related structs for different types of "objects" which can all be
> utilized by a common set of functions.
You should read up on KOBJ's which is how device_t's are implemented
in FreeBSD... kobj's are a loop more OOP that you think...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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