Jason R Thorpe wrote:
> 
> No, because we can simulate those with the (less efficient) socketpair(2).
> 

The same socketpair Matthew Green pointed out is also (possibly) 
uni-directional?

Although, looking at the kernel source for 1.6, it sets F_READ and 
F_WRITE on both, which would suggest bi-directional.


Lund


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