better representation of threads
better representation of threads

Ignore-this: cc3c9e7b4084d43f029f2d9ed09f3be5

[waiters = CNil] iff [state = Sleep].

darcs-hash:20090412112453-c41ad-3e99da8d2ad5da6a9b21fa5759f8393df94e27a5

rneswold/lwt,mfp/lwt,c-cube/lwt,rgrinberg/lwt,ocsigen/lwt,rgrinberg/lwt,rneswold/lwt,janestreet/lwt-async,c-cube/lwt,ocsigen/lwt,rgrinberg/lwt,rgrinberg/lwt,janestreet/lwt-async,mfp/lwt,mirage/lwt,fdopen/lwt,ocsigen/lwt,fdopen/lwt,gfxmonk/lwt,c-cube/lwt,rneswold/lwt,mirage/lwt,gfxmonk/lwt