On Tue, Jul 12, 2011 at 2:58 AM, Simon Marlow <marlo...@gmail.com> wrote:
> I discovered the real reason we run statements in a separate thread: the > GHCi debugger. If the computation stops at a breakpoint, then we have to > save the context and resume GHCi, which can only be done if the computation > was running in a separate thread. > > The way things are arranged right now, each stopped computation gets a > different thread. What you want is for all these to be on the main thread. > It might be possible to arrange this, but it would require some non-trivial > reorganisation in the implementation of interactive evaluation > (compiler/main/**InteractiveEval.hs). I'm going to have to leave this for > now, sorry. In the meantime you'll still be able to use -fno-ghci-sandbox, > but the debugging features in GHCi will be disabled. > > Cheers, > Simon > > Thanks for looking into it, Simon. Regards, Dave
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