On Sun, Jul 3, 2011 at 10:31 PM, David Barbour wrote:

On Jul 3, 2011, Jason Dagit wrote:

...

to correctly handle GUI events you need to use the original thread allocated to your process to check for events and to call the Cocoa framework functionality.

I looked at the threading documentation in Control.Concurrent for GHC and it's not clear to me if this is even possible with GHC without restricting to the non-threaded RTS.

The 'main' thread in GHC is the bound thread initially allocated to the process.

That doesn't seem to be the case for GHCI.

You can easily establish an event-loop in the main thread, and feed events from other threads. Consider using Control.Concurrent.Chan. If you need feedback, things get a bit trickier because you'll have special cases based on whether you're starting in the main thread.

Yes, that might work for compiled programs. What about GHCI? Jason