Re: How to remove a monitor before unmounting?

Alexander Larsson wrote:
> On Mon, 2009-02-16 at 00:11 -0500, Joe Marcus Clarke wrote:
>> On FreeBSD, our kernel file monitor requires that we open the
>> file/directory to be monitored.  This causes a problem when we try and
>> unmount the file system (e.g. a USB volume).  Because FAM has these file
>> descriptors open, we always get a "Device busy" error.  I was hoping to
>> add some code to nautilus to remove the monitor from the volume before
>> unmounting.  However, I wasn't sure the best/right way to do it.
>> If I add a call to nautilus_directory_remove_file_monitors() to
>> nautilus-file.c:nautilus_file_unmount() will this work?  Is there a
>> better way to do this?  Thanks.
> Hmmm. The general idea is that using the gio API to unmount something
> should cause the "mount-pre-unmount" signal to be emitted on the mount
> object which should cause nautilus to close windows in the mount and
> thus free the monitor.
> I can't say i've recently verified that this is what happens, as i'm on
> inotify atm and that doesn't keep the mount busy. Could you try to find
> out where this chain is failing?

I don't see where nautilus listens for this signal.  I see it emitted in
gvfs, but I don't see the connection to Nautilus.  In fact, I have
noticed that when I choose to unmount a USB stick in nautilus, the
window does not close.  I'm currently using Nautilus 2.24.2.



Joe Marcus Clarke
FreeBSD GNOME Team	::	gnome FreeBSD org
FreeNode / #freebsd-gnome

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