socketpair() missing ?

[Peter Hansen]

Philippe Biondi wrote:
> 
> It seems that the socketpair() function is missing from the standard
> python librairy.
> 
> I there a reason ? Will it be integrated in future releases ?
> Am I missing something ?

I searched to find what this function does, and found a zillion 
answers, but I don't seem to see any explanation of *why* you
would want to do that.  

What's the use case for socketpair()?

-Peter