Re: filesystem triggers?

[christos%astron.com@localhost (Christos Zoulas)]

In article <20080327125432.GV682%mjch.net@localhost>,
Malcolm Herbert  <mjch%mjch.net@localhost> wrote:
>A friend told me of a Linux kernel feature where the kernel will initiate
>user-defined actions when nominated files in a monitored file system are
>accessed which is apparently called inotify.
>
>He's using this to trigger unit tests against all the code in their
>project whenever any of the files in their development tree are modified.
>
>This produces much more fine-grained testing than relying on running the
>tests on each source-code checkin - the tests in this instance are small
>and can be run in under a few minutes, as the code is python and doesn't
>require a massive compilation effort each time around.
>
>I'm interested in trying something similar for my own code development
>but know nothing of such a feature with any of the usual filesystems that
>we deal with in NetBSD - presumably this could be implemented with 
>some fuse (is that correct?) based filesystem.  Has anyone seen anything
>like this before who could give me some pointers on it?

Or you can use kevent I think.

christos