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Date:      Tue, 5 Jun 2007 09:24:25 +0100 (BST)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, David Malone <dwmalone@FreeBSD.org>, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/amd64/amd64 tsc.c src/sys/amd64/isa clock.c src/sys/cam cam_xpt.c src/sys/cam/scsi scsi_all.c src/sys/compat/opensolaris/kern opensolaris_kstat.c src/sys/dev/acpica acpi_timer.c src/sys/dev/bge if_bge.c src/sys/dev/sound clone.c ...
Message-ID:  <20070605092255.L76940@fledge.watson.org>
In-Reply-To: <20070605050351.GJ4602@funkthat.com>
References:  <200706041825.l54IP8RD042273@repoman.freebsd.org> <20070605050351.GJ4602@funkthat.com>

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On Mon, 4 Jun 2007, John-Mark Gurney wrote:

> David Malone wrote this message on Mon, Jun 04, 2007 at 18:25 +0000:
>>   Log:
>>   Despite several examples in the kernel, the third argument of
>>   sysctl_handle_int is not sizeof the int type you want to export.
>>   The type must always be an int or an unsigned int.
>>
>>   Remove the instances where a sizeof(variable) is passed to stop
>>   people accidently cut and pasting these examples.
>>
>>   In a few places this was sysctl_handle_int was being used on 64 bit
>>   types, which would truncate the value to be exported.  In these
>>   cases use sysctl_handle_quad to export them and change the format
>>   to Q so that sysctl(1) can still print them.
>
> Perhaps documenting SYSCTL_HANDLER_ARGS and the several standard handlers in 
> sysctl_add_oid(9) would be in order?

Or even in sysctl(9).

Robert N M Watson
Computer Laboratory
University of Cambridge



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