Re: Another rump question ...

[Paul Goyette <paul%whooppee.com@localhost>]

On Sun, 27 Dec 2015, Taylor R Campbell wrote:

>   Date: Sun, 27 Dec 2015 09:26:14 +0800 (PHT)
>   From: Paul Goyette <paul%whooppee.com@localhost>
>
>   I'm looking into the failure of /usr/tests/rump/t_modautoload test, and
>   I've determined that the failure began after the introduction of the
>   MODULAR_DEFAULT_AUTOLOAD parameter.
>
>   I'm trying to figure out how to use sysctlbyname(3) to update the rump
>   kernel's value of the parameter.  I can find rump_sys___sysctl() as the
>   renamed syscall for sysctl(), but the kern.module.autoload variable
>   doesn't have a fixed "mib" path, so I need sysctlbyname() to find it.
>
>   I can't figure out how to get a rump_sysctlbyname() routine (or some
>   equivalent) to be included into the test program.  None of the libraries
>   in /usr/lib seem to include any relevant symbols for the rump version of
>   this routine.
>
>   Any clues on how to do this?
>
> Try something like:
>
> .PATH:	${NETBSDSRCDIR}/lib/libc/gen
> SRCS+=		sysctlbyname.c
> SRCS+=		sysctlgetmibinfo.c
> CPPFLAGS+=	-DRUMP_ACTION
>
> Then just use sysctlbyname as usual.  That's how rump.sysctl works.

Ah, kewl!  Thanks!


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