Hi Wren, maybe Twilight STM is for you: http://hackage.haskell.org/package/twilight-stm
Sebastian On Sat, Feb 5, 2011 at 6:46 PM, wren ng thornton <w...@freegeek.org> wrote: > So I'm working on a project that uses STM to run a lot of things in > parallel without the headaches of locks. So far it's working beautifully, > STM rocks. But there's one snag... > > Sometimes I need those threads to do some IO like printing logging info. > I'd like to make these IO chunks atomic with respect to one another so that > the logging output isn't garbage. Since I'm using STM everywhere else, I'd > love to use it for this too (instead of mixing STM and non-STM concurrency) > except you can't embed IO in STM. > > I could just use STM vars as locks to force the atomicity, but locks are > ugly and bug-prone. So what's the current best practice for doing this kind > of thing? > > -- > Live well, > ~wren > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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