Kill forked threads

[lsp-test.git] / src / Language / Haskell / LSP / Test / Replay.hs

diff --git a/src/Language/Haskell/LSP/Test/Replay.hs b/src/Language/Haskell/LSP/Test/Replay.hs
index 72fb0d6e2541706dee6ec2c7d3a214961918c8c9..2d5e4e612284ab6c3329a5aa7c36c548f45a1ef2 100644 (file)
--- a/src/Language/Haskell/LSP/Test/Replay.hs
+++ b/src/Language/Haskell/LSP/Test/Replay.hs
@@ -50,10 +50,14 @@ replaySession sessionDir = do
   rspSema <- newEmptyMVar
   passVar <- newEmptyMVar :: IO (MVar Bool)
 
-  forkIO $ runSessionWithHandler (listenServer serverMsgs requestMap reqSema rspSema passVar) sessionDir $
-    sendMessages clientMsgs reqSema rspSema
+  threadId <- forkIO $
+    runSessionWithHandler (listenServer serverMsgs requestMap reqSema rspSema passVar)
+                          sessionDir
+                          (sendMessages clientMsgs reqSema rspSema)
 
-  takeMVar passVar
+  result <- takeMVar passVar
+  killThread threadId
+  return result
 
   where
     isClientMsg (FromClient _ _) = True
@@ -129,7 +133,7 @@ listenServer expectedMsgs reqMap reqSema rspSema passVar serverOut  = do
         print msg
         putStrLn "Expected one of:"
         mapM_ print $ takeWhile (not . isNotification) expectedMsgs
-        print $ head $ dropWhile (not . isNotification) expectedMsgs
+        print $ head $ dropWhile isNotification expectedMsgs
         putMVar passVar False
 
   where