In article <007f01c17d96$4158f580$0100a8c0@snowdrop>,
David Laight <David.Laight@btinternet.com> wrote:
>'Tis a bug in netbsd....
>
>From the single unix spec...
>
>"If the value of fd is less than 0, events is ignored and revents is set
>to 0 in that entry on return from poll(). "
>

And actually if you think about it, it makes a lot of sense because you
don't want to have to compress the array each time you want to get rid
of a watched descriptor.

christos