[illumos-Discuss] value of FD_SETSIZE

[Joerg Schilling]

Apostolos Syropoulos <asyropoulos at yahoo.com> wrote:

> > 
> > Mmmm, is there a problem with having a fdset array size of 8 kB?
> > 
> > Note that select() will not work for more FD's than FD_SETSIZE.
> > 
>
>
> Actually it might be a problem, because if it is 8kB, then one may ask
> to increase to say 16, 32, or even 64kb, which is the current value
> and causes so much trouble...

???? FD_SETSIZE is the predefined value compiled into select().

As we have 8 bits per byte, the size of an array (==> the type fd_set)
will be 8 kB for FD_SETSIZE == 65336 

Jörg

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