[Toaster] Design - Cancelling builds

[Reyna, David]

Hi Belén,

I have just one question about the backend latency, and how the backend does the cancel.

It appears that when you click "Cancel" the Toaster GUI immediately transitions to show that the build is cancelled and the "Run Again" button appears. Normally when I cancel a build on the command line it can take several minutes for the tasks to cleanly finish up. That would mean that if the user immediately clicks the "Run Again" button in Toaster the backend may not be ready. 

So, how is the cancel handled? Does Toaster try the clean way to stop a build, or does it something radical like killing the build thread?

- David

> -----Original Message-----
> From: toaster-bounces at yoctoproject.org [mailto:toaster-
> bounces at yoctoproject.org] On Behalf Of Barros Pena, Belen
> Sent: Tuesday, September 01, 2015 5:48 AM
> To: toaster at yoctoproject.org
> Subject: [Toaster] Design - Cancelling builds
> 
> We have been speaking about letting users cancel builds at any point
> during the build process. We have a Bugzilla entry for that
> 
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=6787
> 
> Which now has design attached to it. It should not be controversial in any
> way, but if you have any questions / comments, let me know.
> 
> Thanks!
> 
> Belén
> 
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