[Haskell-cafe] How to ensure code executes in the context of a specific OS thread?

[Ian Lynagh]

On Tue, Jul 05, 2011 at 08:11:21PM +0100, Simon Marlow wrote:
> 
> In GHCi it's a different matter, because the main thread is running
> GHCi itself, and all the expressions/statements typed at the prompt
> are run in forkIO'd threads (a new one for each statement, in fact).
> If you want a way to run command-line operations in the main thread,
> please submit a feature request.  I'm not sure it can be done, but
> I'll look into it.

We already have a way: -fno-ghci-sandbox


Thanks
Ian