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On 08/31/2009 02:47 PM, Simo Sorce wrote:
On Thu, 2009-08-27 at 00:35 -0400, Simo Sorce wrote:
> After some playing around with Stephen patch and adding some debugging I
> finally understood how DBUS likes to deal with watches.
>
> We erroneously assumed that DBUS would add only one watch per FD.
> It doesn't, instead it always adds 2 watches.
> One to catch read events and one to catch write events.
>
> It then proceed to always keep one of the 2 disabled when the other is
> enabled, and it always toggles both when it needs to reverse access to
> the file descriptor.
>
> The following patch keeps track of sbus-watches/fd pairs and allocate
> both DBusWatches to the same structure.
>
> So far testing seem to confirm this approach works as expected.
New revision.
I was finally able to test this patch on an Ubuntu machine (thanks
Steve) and we found out 2 pretty nasty bugs masquerading each other on
Fedora.
This new revision should be final, it works on Ubuntu and on Fedora.
Simo.
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Ack and pushed to master.
- --
Stephen Gallagher
RHCE 804006346421761
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