[qmtest] Synchronization between multiple instances of QMTest

[Mark Mitchell]

Abhijeet Bisain wrote:

> Hi,
>
>     Most of my test cases will be run on remote embedded targets and 
> could be run from multiple hosts. What is the best way to prevent a 
> target from running two tests from two different hosts that conflict 
> with each other. For instance, the tests install a Linux kernel module 
> and use it for something and they want exclusive access to it.
>
>     I was thinking of creating a new kind of resource which would 
> create a file with a particular file name in the Setup and if the file 
> exists, then return UNTESTED. Is there a better way?

Are you talking about running multiple copies of QMTest simultaneously 
on different hosts, but sharing the target boards between those copies?  
If you want to avoid conflicts in that setup, something like what you 
are suggesting should work.

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Mark Mitchell
CodeSourcery, LLC
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mark at codesourcery.com