Michael Paquier <michael@paquier.xyz> writes:
> On Sun, Aug 18, 2019 at 10:59:54PM -0400, Alvaro Herrera wrote:
>> So I agree that we need a fix.
> How would you detect how many fds can be opened by a user in this
> case?
I think Andres' suggestion is probably fine: don't try to detect
it in advance. Just open the files, and error out if we need to
put an fd index >= FD_SETSIZE into an fd_set. It'll be a shade
less user-friendly, in that the program might run for a bit before
failing; but I doubt that such cases arise often enough to be worth
working harder.
regards, tom lane
