Re: VFS/fcntl() feature [PATCH]

David Woodhouse (David.Woodhouse@mvhi.com)
Sat, 29 Aug 1998 12:31:56 +0100


> | Sure, but how does select() notify the process when a file is modified?
> | Note I said modified, not extended.
> +--->8

allbery@kf8nh.apk.net said:
> select() on a directory being both nonstandard and currently less than
> useful, it can have any semantics we want to give it. Said semantics
> need not be exactly analogous to its behavior on non-directories.

> (IOW, there's no reason we can't have it mean "any modification"
> instead of merely "append".)

We can manage both. Appending to, or creating a file can cause the directory to
appear in <readfds>, Deleting a file can cause the directory to appear in
<writefds>, and any other modification can cause it to appear in <exceptfds>.

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David Woodhouse David.Woodhouse@mvhi.com Office: (+44) 1223 812896
Project Leader, Process Information Systems Mobile: (+44) 976 658355
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