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DateSun, 30 Aug 1998 18:44:03 +0200
FromAlexander Kjeldaas <>
SubjectRe: VFS/fcntl() feature [PATCH]
On Sat, Aug 29, 1998 at 03:06:35PM -0400, Albert D. Cahalan wrote:
> 
> The last time this came up, someone reported that SGI has an API for
> it in Irix. Does anyone remember? It would be good to follow SGI so
> that more Irix applications run on Linux.
> 

IIRC, IRIX uses a pipe similar to what hpa suggested.  _However_, the
documentation spells out clearly that the interface is not to be
trusted and that they reserve the right to change to a better
interface in the future.  (Seems like they know that their current
scheme was a fast solution to get their desktop up and running).

Actually, if you want to have notification of a state-change of a file
under IRIX you don't use the kernel, but the fam(?) daemon which
encapsulates the kernel interface.

So I don't think compatibility with IRIX is very important in this case.

astor

-- 
 Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway
 http://www.guardian.no/

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