[vbox-dev] host calling into vm for async I/O?

[Sander van Leeuwen]

There's is no such reversed callback mechanism for HGCM. You'd either 
have to poll or make a guest thread block in a wait for directory change 
HGCM call. The latter
is not that easy as an HGCM client is single threaded.

Sander


Huihong Luo wrote:
>
> Are there any APIs that can invoke vm's functions from host (opposite 
> to VbglHGCMCall which does vm to host calls)?
>
> I am trying to implement directory change notification features on 
> windows shared folders. Basically, when files change in a host folder, 
> I want the host to invoke a callback function inside vm.
>
>  
>
> Thanks,
>
>  
>
> Huihong
>
> ------------------------------------------------------------------------
>
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>   


-- 
Kind regards / Mit freundlichen Gruessen / Met vriendelijke groet

--

Sun Microsystems GmbH        Sander van Leeuwen
Werkstrasse 24               Senior Staff Engineer, VirtualBox
71384 Weinstadt, Germany     mailto:Sander.Vanleeuwen at sun.com


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