[Buildbot-devel] SlaveLock across several slaves on same computer?

[Nicolas Alvarez]

Marcus Lindblom wrote:
> I'm about to setup the third and fourth slave prcocess on two slave
> computers respectively, and I was thinking that a SlaveLock that is
> system wide (SystemLock?) would be good to have here. (We're already
> getting timeouts in some multithreading tests due to interference.)
> 
> Since Python doesn't seem to have a named system-wide mutex (AFAICT), I
> would implement it as a kernel Mutex on Windows (these are system-wide
> and not process-local as critical sections are) and via a lock-file (or
> whatever you guys use ;) on unixy systems.
>
> [...]
>
> P.S. I suppose a MasterSystemLock could also be useful as we'll be
> running five master processes on the same server.

I "solve" this problem by running only one master, and only one slave per 
computer.

-- 
Nicolas

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