Some netgraph node global locking patches

[Gleb Smirnoff]

On Wed, Jul 14, 2004 at 08:36:01PM +0200, Poul-Henning Kamp wrote:
P> >Yes it does. But qsort() already used in ng_ppp is as much recursive as
P> >qsort_r() is. It will help us to get rid of global variable.
P> >I Cc phk@ to this mail, because he copied qsort() to libkern from libc.
P> 
P> It was put there to get rid of a couple of badly implemented bubble
P> sorts.
P> 
P> It is true that qsort() is recursive, but it is limited to log2(N)
P> levels and kernel programmers hopefully don't routinely sort arrays
P> of hundreds of things in the kernel.

>From a snap view I see no problems copying qsort_r() to libkern. What
do you think? It will help us to get rid of global in ng_ppp.

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