Hello, a newbie here!
Doing some playing with Python and librados, and it is mostly easy to
use, but I am confused about atomic operations. The documentation isn't
clear to me, and Google isn't giving me obvious answers either...
I would like to do some locking. The data structures I am playing with
in RADOS should work great if I don't accidentally fire up more than one
instance of myself. So I would like to drop an attribute on a central
object saying it's mine, all mine--but only if another copy of myself
hasn't done so already.
Is there some sample code to show me the safe way to do this?
Thanks,
-kb, the Kent who is reluctant to just play around with locking to see
what works...because it might look like it is working, yet still have a
race susceptibility.
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