Andres Freund <andres@anarazel.de> writes:
> Hm. This made me think: Why is
> if (concurrentCons > FD_SETSIZE - 1)
> a useful test / error message?
Good point, it's not. Subtracting off 10 or so might be reasonable.
> What is the reason that this doesn't use poll() in the first place?
We still support platforms without that, no? Windows, for one.
regards, tom lane