On Tue, 22 Jul 2008, Kjetil Torgrim Homme wrote:
> why not use something like
>
> ssh robotmaster "flock /var/run/mtx.lock mtx ..."
>
> as your tapechanger command? flock will wait until it gets a lock on
> the file, so there will never be two mtx processes running
> simultaneously.
If a mtx command is running, any subsequent ones should stack up behind
it. (I tested this a couple of years ago, it worked that way for me)
AB
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