[haiku-development] Re: file modification watching
- From: "Ingo Weinhold" <ingo_weinhold@xxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Thu, 18 Aug 2011 23:26:22 +0200
Clemens wrote:
> On Wed, 17 Aug 2011 02:27:24 +1200, Ingo Weinhold <ingo_weinhold@xxxxxx>
> wrote:
> > On 2011-08-16 at 00:25:35 [+0200], Clemens
> > <clemens.zeidler@xxxxxxxxxxxxxx>
> > wrote:
> >> another (IMHO a bit hacky) solution would be to add a userland listener
> >> for open and close. The index server then watch files that have been
> >> opened writeable and do the node-entry mapping by itself.
> >
> > The problem with open/close notifications is that there would be an awful
> > lot of them. E.g. Tracker uses the storage kit classes a lot (which
> > internally all use FDs), so it would probably generate thousands of
> > notifications when just opening a window with a few hundred entries.
>
> Is it also a problem when watching only the open calls with a writeable
> flag?
IIRC, the storage kit classes mostly try to open nodes read-write first, so
that wouldn't help all that much.
CU, Ingo
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