#7719: System.Timeout.timeout may leak <<timeout>> exceptions -------------------------+-------------------------------------------------- Reporter: int-e | Owner: Type: bug | Status: new Priority: normal | Component: libraries/base Version: 7.7 | Keywords: Os: Linux | Architecture: x86_64 (amd64) Failure: None/Unknown | Blockedby: Blocking: | Related: -------------------------+-------------------------------------------------- Changes (by basvandijk): * cc: v.dijk.bas@… (added) Comment: Bertram, I wonder how much you can speed it up further by doing what I did in my [http://hackage.haskell.org/trac/ghc/attachment/ticket/4963/faster_timeout.dp... faster_timeout darcs patch]. Namely: * Giving the !TimeoutCallback access to the !TimeoutKey: {{{ -type TimeoutCallback = IO () +type TimeoutCallback = TimeoutKey -> IO () }}} * Changing (or adding a new) Timeout exception type which uses the !TimeoutKey for identification: {{{newtype Timeout = Timeout TimeoutKey deriving Eq}}} * Use this exception instead of the existing so we can get rid of: {{{ex <- fmap Timeout newUnique}}} which should hopefully give some speedup. (I could benchmark it this weekend if you can provide me the patched libraries to get criterion to build.) -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7719#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler