[R] Problems terminating RGui on Windows

[Duncan Murdoch]

On 1/27/2007 11:53 PM, jim holtman wrote:
> I am running R2.4.1 under Windows.
> 
>> version
>                _
> platform       i386-pc-mingw32
> arch           i386
> os             mingw32
> system         i386, mingw32
> status
> major          2
> minor          4.1
> year           2006
> month          12
> day            18
> svn rev        40228
> language       R
> version.string R version 2.4.1 (2006-12-18)
> 
> Sometimes when I exit R I do it by right clicking on the Windows tab
> for the group of R processes that are running (I am running in SDI
> mode) so there is usually the GUI and a graphics window open.  When I
> choose the option to close the group, the tab disappears indicating
> that the processes have been exited, but I get the CPU going to 100%
> utilization.
> 
> Opening the windows Task Manager I see that the RGui process is the
> one consuming all the CPU.  I then "end" the process with the Task
> Manager and everything is fine.  I have not noticed that problem when
> either I "q()" or close the RGui window.
> 
> I was wondering if anyone else has seen the problem, or might there be
> something wrong with my configuration.  I guess that I will just have
> to be nice and do "q()" to get out of the session.

I haven't seen this before, but I don't usually close R that way.  I 
just tried it in R-devel (by starting R, opening 10 plot windows so the 
taskbar buttons collapsed into one, and clicking on "close group"), and 
I got a crash.

I'll look into it.

Duncan Murdoch