On Fri, Jun 23, 2000 at 11:01:32AM -0400, volodya@mindspring.com wrote:
> Well, can one update me on the status of "select on
> directory" ? I.e. opening directory and selecting it for modifications -
> _very_ useful in filemanagers..
Stephen Rothwell & I have been working on an alternative called dirnot
which uses realtime signals to indicate that changes have occurred in
a directory. Al Viro is against it as he feels realtime signals are
too heavyweight. Alan Cox is against the idea of allowing poll()
on a directory as he feels it has insurmountable race conditions.
Richard Gooch thinks he has a way around them. Al has a third alternative
involving a notifyfs which looks intriguing but I'm not sure it's more
lightweight than the signals. SGI have a patch which implements /dev/imon
like IRIX has, but I think almost everyone is against both the idea and
the implementation.
ie it's still under debate.
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