[Mono-list] Fwd: [Mono-osx] FileSystemWatcher

Andreas Färber andreas.faerber at web.de
Thu Jan 18 06:53:48 EST 2007

See attached a re-post from Mono-osx list. The issue is about  
FileSystemWatcher rarely noticing file changes. What might be the  
cause thereof?

Earlier I was told not to monitor an SMB share because it were  
implemented using a polling approach for remote shares so instead I  
connected a Windows drive to an OS X SMB share, monitoring the local  
changes there. However the same results occurred last time I checked  
running the DOS app locally on OS X, so without any SMB in between,  
so that the latter probably isn't the source of the problem... Also,  
the same issue occurs when my Mono application performs the changes  
itself, so I doubt it's an issue with the DOS application performing  
the changes.

Has anyone got this working on OS X? Any hints on how to debug this?

Thank you,

Anfang der weitergeleiteten E-Mail:

> Von: Andreas Färber <andreas.faerber at web.de>
> Datum: 5. Dezember 2006 22:58:48 MEZ
> An: Mono OSX List <mono-osx at lists.ximian.com>
> Betreff: [Mono-osx] FileSystemWatcher
> Hello,
> Are there any known issues using FileSystemWatcher on OS X? (v10.4.8,
> Mono 1.2.1 preview)
> I have an object model where some objects have their own watcher to
> monitor a single file. The instances are set up like this:
> fsw = new FileSystemWatcher(dir, file);
> fsw.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.Size;
> fsw.Changed += ...
> fsw.EnableRaisingEvents = true;
> Yet they rarely notice file changes. The files are on the local HFS+
> volume and are either manipulated via SMB or through the app itself.
>  From time to time my app also crashes on startup with a SIGABRT in
> FileSystemWatcher:get_MangledFilter (called
> from :set_EnableRaisingEvents).
> Any ideas?
> Andreas
> _______________________________________________
> Mono-osx mailing list
> Mono-osx at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-osx

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