[illumos-Discuss] value of FD_SETSIZE

[Joerg Schilling]

Apostolos Syropoulos <asyropoulos at yahoo.com> wrote:

> Alan Coopersmith has posted the following in his blog:
>
>
>
> http://blogs.oracle.com/alanc/entry/there_i_fixed_it
>
>  
> The question is why FD_SETSIZE takes the value 65536 in the 64bit model?
> I have already posted the same to the OpenIndiana discussion list and
> a participant agreed that 2048 or, I would even say. 4096 would be reasonable values.

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.

Jörg

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