Re: Detection of trash in trash folder

[Alexander Larsson <alexl redhat com>]

On Fri, 2010-01-29 at 15:37 -0800, Scott Baker wrote:
> I have a file system that I'm developer for that is experiencing some
> issues with the .Trash folder. Namely, when trash is deleted (for
> example by dragging a file from nautilus to the trash bin), the trash
> bin icon and the trash bin folder are not updated and the file does
> not appear. Looking at the directory on disk, the trash is definitely
> in there (nautilus puts it in ~/.Trash-root/ at the mountpoint of the
> file system) -- it's just that nautilus seems unaware of the new trash
> folder.
> 
> I've tried browsing the nautilus source code, but I am unable to
> figure out how this monitoring works. Can someone point me to the code
> that is responsbile for recognizing when new trash folders are created
> and/or when trash folders are modified? In particular, what mechanism
> does nautilus use to monitor changes in folders? is it using something
> like inotify/dnotify or is it polling to check for changes, or using
> some other service?

This happens in the gvfs trash backend. It uses the gio abstraction for
file notification, which can use for instance inotify or fam.

-- 
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 Alexander Larsson                                            Red Hat, Inc 
       alexl redhat com            alexander larsson gmail com 
He's an all-American white trash ex-con on his last day in the job. She's a 
violent nymphomaniac queen of the dead living homeless in New York's sewers. 
They fight crime!