dumb question

[Roland McGrath]

> The advantage of using poll instead of select is that glibc is not
> dependend anymore on FD_SETSIZE and doesn't need to be recompiled if
> the user changes NR_OPEN.

The select interface was designed specifically to avoid this problem,
if you use it right.  You should never need to use FD_SETSIZE.  You can
dynamically allocate as many bits as you need, and then you pass the max fd
number to select.  If the kernel is not a piece of shit, this works fine.