In the last episode (Mar 12), Sean Hamilton said:
> What is the first parameter to select(2) for? Microsoft's select
> ignores it, and it does not appear to have any valid use since it
> only allows constraints on values which are assigned by the system.
I'd hate to have the kernel scan a 6000-element (or whatever maxfiles
is on your system) array every time I called select with nfds=10.
If MS ignores the nfds parameter, it risks accessing uninitialized
memory or selecting on fds that the user no longer wants to look at.
I'd call it a bug.
> Purely historic?
Performance.
--
Dan Nelson
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