[Haskell-cafe] Memory and Threads - MVars or TVars

[Eitan Goldshtrom]

Hi everyone. I was wondering if someone could just guide me toward some 
good information, but if anyone wants to help with a personal 
explanation I welcome it. I'm trying to write a threaded program and I'm 
not sure how to manage my memory. I read up on MVars and they make a lot 
of sense. My real question is what is "atomic" and how does it apply to 
TVars? I don't understand what atomic transactions are and I can't seem 
to find a concise explanation. I also saw some stuff about TMVars? But I 
can't find much on them either. Any help would be appreciated.

-Eitan
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