Bubble up exceptions thrown on server listener thread

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

diff --git a/src/Language/Haskell/LSP/Test/Session.hs b/src/Language/Haskell/LSP/Test/Session.hs
index 2df5ab3c4263e725cc240b22933480943071ac73..700d9ccc84c233314f9c581bfd6bf8f810c8c1d5 100644 (file)
--- a/src/Language/Haskell/LSP/Test/Session.hs
+++ b/src/Language/Haskell/LSP/Test/Session.hs
@@ -92,7 +92,7 @@ data SessionConfig = SessionConfig
 
 -- | The configuration used in 'Language.Haskell.LSP.Test.runSession'.
 defaultConfig :: SessionConfig
-defaultConfig = SessionConfig 60 False True True Nothing
+defaultConfig = SessionConfig 60 False False True Nothing
 
 instance Default SessionConfig where
   def = defaultConfig
@@ -201,13 +201,14 @@ runSessionWithHandles serverIn serverOut serverHandler config caps rootDir sessi
   messageChan <- newChan
   initRsp <- newEmptyMVar
 
+  mainThreadId <- myThreadId
+
   let context = SessionContext serverIn absRootDir messageChan reqMap initRsp config caps
       initState = SessionState (IdInt 0) mempty mempty 0 False Nothing
-
-  threadId <- forkIO $ void $ serverHandler serverOut context
-  (result, _) <- runSession context initState session
-
-  killThread threadId
+      launchServerHandler = forkIO $ catch (serverHandler serverOut context)
+                                           (throwTo mainThreadId :: SessionException -> IO ())
+  (result, _) <- bracket launchServerHandler killThread $
+    const $ runSession context initState session
 
   return result
 
@@ -334,3 +335,4 @@ logMsg t msg = do
           | otherwise       = Cyan
 
         showPretty = B.unpack . encodePretty
+