sosend/soreceive consistency improvements

[gnn at freebsd.org]

At Sun, 23 Jul 2006 19:57:56 +0100 (BST),
rwatson wrote:

> Rather than continue in this "in between state", in which the
> uio/mbuf chain sosend and soreceive are reached via the protocol
> switch in each occurrence, I propose a change: sosend() and
> soreceive() will now be the formal APIs for sending and receiveing
> on sockets within the kernel, as is the case with many other so*()
> functions, and they will perform the protocol switch dereference.
> The existing functions are renamed to sosend_generic() and
> soreceive_generic(), and in most cases are never referenced by
> protocols since our protocol domain registration already uses
> sosend() and soreceive() as the defaults today.  The new code
> strikes me as quite a bit more readable, and likely easier for
> socket consumers to use.
> 
> Any thoughts and/or objections?
> 

Makes sense to me.  Can we document these?  That is, is there a man
page in section 9 we could add these to?

Later,
George