Handling signals and performance issues.

[Paul Wright]

In article <roy-FD4A85.20535009122000 at news.panix.com>,
Roy Smith  <roy at panix.com> wrote:
>
>You might want to look at the source to the unix "tail" command (you 
>should be able to find it on any of the many GNU/Linux distribution 
>sites) and see how it implements the "-f" option, which is essentially 
>what you are trying to emulate.

It does it by repeatedly sleeping and stating the file: I've just run
strace on it.

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