X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FServer.hs;h=0a77a6193e6fb9c320531e65f74255576bccf8f4;hb=1b1df64886e90bb77c2804452945ff0d66963e0a;hp=bd5bdb959f670652a5e910d5d0942b43fcb0c494;hpb=39932423ee0fcc8dd500aea4ff558d1b72440a17;p=lsp-test.git diff --git a/src/Language/Haskell/LSP/Test/Server.hs b/src/Language/Haskell/LSP/Test/Server.hs index bd5bdb9..0a77a61 100644 --- a/src/Language/Haskell/LSP/Test/Server.hs +++ b/src/Language/Haskell/LSP/Test/Server.hs @@ -1,27 +1,21 @@ module Language.Haskell.LSP.Test.Server (withServer) where -import Control.Concurrent -import Control.Exception +import Control.Concurrent.Async import Control.Monad -import Language.Haskell.LSP.Test.Compat import System.IO import System.Process -withServer :: String -> Bool -> (Handle -> Handle -> Int -> IO a) -> IO a +withServer :: String -> Bool -> (Handle -> Handle -> ProcessHandle -> IO a) -> IO a withServer serverExe logStdErr f = do -- TODO Probably should just change runServer to accept -- separate command and arguments let cmd:args = words serverExe createProc = (proc cmd args) { std_in = CreatePipe, std_out = CreatePipe, std_err = CreatePipe } - (Just serverIn, Just serverOut, Just serverErr, serverProc) <- createProcess createProc - + withCreateProcess createProc $ \(Just serverIn) (Just serverOut) (Just serverErr) serverProc -> do -- Need to continuously consume to stderr else it gets blocked -- Can't pass NoStream either to std_err hSetBuffering serverErr NoBuffering - errSinkThread <- forkIO $ forever $ hGetLine serverErr >>= when logStdErr . putStrLn - - pid <- getProcessID serverProc - - finally (f serverIn serverOut pid) $ do - killThread errSinkThread - terminateProcess serverProc + hSetBinaryMode serverErr True + let errSinkThread = forever $ hGetLine serverErr >>= when logStdErr . putStrLn + withAsync errSinkThread $ \_ -> do + f serverIn serverOut serverProc