Simon may have gone home for the weekend, so just to let you know that he's checked in a fix for this problem in the current CVS sources.
--sigbjorn ----- Original Message ----- From: "Peter White" <[EMAIL PROTECTED]> To: "Simon Marlow" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Friday, February 15, 2002 09:05 Subject: RE: PAP_Entry: CATCH_FRAME > I have managed to create a small program that reproduces the error the way I > get to it. The output it produces is: > > Handler got: 1 > Exception: 1st > Handler got: 2 > Error1: fatal error: PAP_entry: CATCH_FRAME > > The program was in a file "Error1.hs", that is why the fatal error begins > with "Error1". The program follows, I hope this is helpful. > > module Main where > > import Concurrent > import qualified Exception as E > > trapHandler :: MVar Int -> IO () > trapHandler inVar = > (do { trapMsg <- takeMVar inVar > ; putStrLn ("Handler got: " ++ show trapMsg) > ; trapHandler inVar > } > ) > `E.catch` > (trapExc inVar) > > trapExc :: MVar Int -> E.Exception -> IO () > trapExc inVar e = > do { putStrLn ("Exception: " ++ show e) > ; trapHandler inVar > } > > main :: IO () > main = > do { inVar <- newEmptyMVar > ; tid <- forkIO (trapHandler inVar) > ; yield > ; putMVar inVar 1 > ; threadDelay 1000 > ; throwTo tid (E.UserError "1st") > ; threadDelay 1000 > ; putMVar inVar 2 > ; threadDelay 1000 > ; throwTo tid (E.UserError "2nd") > ; threadDelay 1000 > ; putStrLn "All done" > } > > > > -----Original Message----- > From: Simon Marlow [mailto:[EMAIL PROTECTED]] > Sent: Friday, February 15, 2002 2:55 AM > To: Peter White; [EMAIL PROTECTED] > Subject: RE: PAP_Entry: CATCH_FRAME > > > > What does it mean when you get the fatal error "PAP_Entry: > > CATCH_FRAME". I > > am using ghc version 5.03.20020204. I looked in the ghc > > source code and the > > comment next to this error message says that it cannot happen. > > Well, you must be imagining it then :-) > > Seriously, I've seen this error too. Try 'interact (unlines.lines)' in GHCi > and press ^C to see it (this works in 5.02.2 too). I've been meaning to > look at it, hopefully I'll get around to it today. > > Cheers, > Simon > > > _______________________________________________ > Glasgow-haskell-bugs mailing list > [EMAIL PROTECTED] > http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs _______________________________________________ Glasgow-haskell-bugs mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs