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 2b55382959dd109e0b2a4beec982699db48f4361..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
-
-  takeMVar passVar
+  threadId <- forkIO $
+    runSessionWithHandler (listenServer serverMsgs requestMap reqSema rspSema passVar)
+                          sessionDir
+                          (sendMessages clientMsgs reqSema rspSema)
+
+  result <- takeMVar passVar
+  killThread threadId
+  return result
 
   where
     isClientMsg (FromClient _ _) = True