[PATCH 1/4] msi: Add a basic internal UI implementation.

[Hans Leidekker]

On Mon, 2017-07-03 at 08:22 -0500, Zebediah Figura wrote:
> > === w7u (32 bit msi) ===
> > The task timed out
> > 
> 
> I'm not entirely sure what's up with this. I noticed that the testbot 
> consistently timed out on xp/2003/vista(/2008?) with my patches starting 
> with 358ed0d8. They only take a few seconds to run on my Windows 7 
> machine—which to be sure does have much better hardware than a VM would, 
> but I can't be sure what part of my patches in particular is slowing 
> down or hanging the machine.
> 
> Can anyone perhaps try running the package tests on their own machine 
> and see if they get any distinct slowness? Thanks.

The sequence that causes the hang is closehandle_sequence. Changing
externalui_message_callback to not touch the record handle if the message
is INSTALLMESSAGE_TERMINATE makes the hang go away.