From owner-cvs-all  Thu Jan  3 12:36:12 2002
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To: Matthew Dillon <dillon@apollo.backplane.com>
Cc: Harti Brandt <brandt@fokus.gmd.de>,
	Julian Elischer <julian@elischer.org>,
	Stephen McKay <mckay@thehub.com.au>, John Baldwin <jhb@FreeBSD.org>,
	cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org,
	Julian Elischer <julian@FreeBSD.org>, Greg Lehey <grog@FreeBSD.org>
Subject: Re: cvs commit: src/share/man/man3 queue.3 
In-Reply-To: Your message of "Thu, 03 Jan 2002 12:18:34 PST."
             <200201032018.g03KIYb72472@apollo.backplane.com> 
Date: Thu, 03 Jan 2002 21:33:35 +0100
Message-ID: <1574.1010090015@critter.freebsd.dk>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <200201032018.g03KIYb72472@apollo.backplane.com>, Matthew Dillon wri
tes:
>
>:Well the point is, that we are not talking about MYLIST_*, but about
>:TAILQ_FIRST. While you are certainly right if you are going to design a
>
>    Yes, but in the last year we have changed the list type for a number
>    of lists in the system.  I had to change the mountq from LIST_ to
>    TAILQ_, for example, and a number of other people have had to change
>    other lists as well.
>
>    The macros made it easy to change.  Even so I had to cleanup a handful
>    of modules that were assuming that bzero() would be sufficient to 
>    initialize the list head (it isn't for a TAILQ).  If we need to 
>    change a list type that assumptions have been made on, it becomes
>    much harder.

For once I have to hand it to you Matt: I agree 100%.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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