[uae] Re: UAE Listing problems
- From: Richard Drummond <evilrich@xxxxxxxxxxxxxx>
- To: uae@xxxxxxxxxxxxx
- Date: Mon, 27 Aug 2007 22:59:10 -0400
Hi Richard
On Aug 27, 2007, at 2:37 PM, Richard de Rivaz wrote:
The file is created and deleted only from the linux side. I would have
thought that UAE ought to be able to list the directory and read
the file
if it is present. I think in fact that UAE is listing freshly
rather than
cached.
Jochen is correct. UAE tries to cache directory contents (filenames
and attributes, but not file contents) of directories that it has
accessed. If you delete a file at the host side that UAE has cached
in a directory cache then UAE won't know that the file has been deleted.
In general, it is not safe to to access a virtual filesystem from
both the host and from UAE (it should be okay if you only read but
don't create, update or write files from the host side).
Is there some command to freshen up the directory (linux or uae)
before listing?
No. Sorry.
A solution to this problem might be to take advantage of the host
OS's ability to do notification on the change of directory contents.
When UAE caches a directory, it would register for a notification
message when that directory is changed and refresh its cache on
receipt of such a message. Patches implementing this feature are
welcome. ;-)
Cheers,
Rich
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