#9470: forkProcess breaks in multiple ways with GHC 7.6 -------------------------------------+------------------------------------- Reporter: nh2 | Owner: simonmar Type: bug | Status: new Priority: normal | Milestone: Component: Runtime | Version: 7.8.3 System | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Unknown Type of failure: Runtime | Blocked By: crash | Related Tickets: #9468 Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by nh2): It seems that issue 4 can be worked around by restricting to 1 fork at a time (suggesed by carter): {{{#!hs main :: IO () main = do let _FORKS = 8 withLock <- do m <- newMVar () return $ \f -> withMVar m (\() -> f) forM_ [1.._FORKS :: Int] $ \i -> forkIO $ forever $ withLock $ forkJobProcess ("Job" ++ show i) _ <- getLine return () }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9470#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler