Problem with socketpair , AF_UNIX and select call - can anybody through any light on this!

[Andy Green]

Somebody in the thread at some point said:

> server - Socket is ready to write
> server - Socket is not ready to read
> master - Socket is ready to write
> master - Socket is ready to read
> master - recv - Resource temporarily unavailable(11)
> 
> Hmmm!
> 

It seems to be something to do with using MSG_DONTWAIT with recv().  If
you replace this with 0, you receive a 0 byte packet cleanly.  Why I
have no idea.

-Andy