Re: VFS/fcntl() feature [PATCH]

Rene Janssen (reney@plex.nl)
Fri, 28 Aug 1998 17:12:58 +0000


On Fri, 28 Aug 1998, you wrote:

>Heh --- I've just added a similar interface myself. As of 2.1.117, we
>have F_SETSIG, which allows for FASYNC SIGIO callbacks which include the
>number of the fd which was modified.
>
>May I suggest that instead of a completely new API, you consider
>extending the existing FASYNC and poll() functionality to cover regular
>files and directories? There's no reason why the existing APIs can't
>deal with these cases, and with F_SETSIG, we also have a convenient way
>of letting the user find out exactly what happened when the signal
>arrives.
>
Possible maybe, but its not clear to me yet how FASYNC SIGIO fits in here. If
you could write a small example with such semantics maybe that
will bring some light in..

puzzling..

Rene.

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