[vbox-dev] Save state of a headless vm launched with 'launchVmProcess' when windows host shutdown.

Thiago Padilha tpadilha84 at gmail.com
Tue Apr 9 18:12:52 PDT 2013


Nevermind, I found the 'SetProcessShutdownParameters' function and it
fixed the problem for me

On Tue, Apr 9, 2013 at 2:00 PM, Thiago Padilha <tpadilha84 at gmail.com> wrote:
> Hi
>
> I've written a very small gui application(system tray icon) that runs
> a headless virtualbox when I logon to windows(It is a command line app
> so I just place a shortcut on start menu)
>
> The only problem is that I can't make it cleanly exit the vm when I
> reboot/shutdown/logoff my laptop. I can listen for windows
> WM_ENDSESSION message(https://github.com/tarruda/VBoxTrayIcon/blob/master/api.cpp#L156-L163),
> but when my cleanup
> routine(https://github.com/tarruda/VBoxTrayIcon/blob/master/api.cpp#L156-L163)
> is executed the virtual machine is already aborted. I've tested this
> by showing a messagebox before the cleanup code, which gave me time to
> cancel the logoff and verify that the machine was aborted.
>
> It seems that whatever process manages the background vm is being
> killed by windows before I have a chance to send the save command.
>
> How can I fix this issue? Please don't be afraid to look at the code,
> the two files combined have like 400 lines of code.
>
> Thanks in advance.



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