Jason Thorpe wrote:

> Not really.  sysctl was originally intended to turn knobs in the kernel.
> 
> Sometimes I wish we had native Mach messaging...

My "Design and Implementation of 4.4BSD" says sysctl was meant as a
replacement for kmem, to put access control on reading/writing kernel
objects.

It's under the title of "Passage of Information To and From the Kernel".

-e.

-- 
Elad Efrat