X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FCompat.hs;h=6b018cce5a526e7e111d459d3bd3b68d3d21ed09;hb=d8e460543b7cbc32550bed20d20ef4b13d6705a5;hp=cd7de0885e31db77eabd2f5b5b289255bf44385e;hpb=a65254a5b7a5312bc616d601737f8595b14279ef;p=opengl.git

diff --git a/src/Language/Haskell/LSP/Test/Compat.hs b/src/Language/Haskell/LSP/Test/Compat.hs
index cd7de08..6b018cc 100644
--- a/src/Language/Haskell/LSP/Test/Compat.hs
+++ b/src/Language/Haskell/LSP/Test/Compat.hs
@@ -1,22 +1,55 @@
 {-# LANGUAGE CPP #-}
+-- For some reason ghc warns about not using
+-- Control.Monad.IO.Class but it's needed for
+-- MonadIO
+{-# OPTIONS_GHC -Wunused-imports #-}
 module Language.Haskell.LSP.Test.Compat where
 
 import Control.Concurrent.Chan
 import Control.Monad.IO.Class
 import Data.Conduit
+import Data.Maybe
+
+#if MIN_VERSION_process(1,6,3)
+import System.Process hiding (getPid)
+import qualified System.Process (getPid)
+#else
+import System.Process
+import System.Process.Internals
+import Control.Concurrent.MVar
+#endif
 
 #ifdef mingw32_HOST_OS
+import qualified System.Win32.Process
+#else
+import qualified System.Posix.Process
+#endif
 
-import qualified System.Win32.Process as P (getCurrentProcessId)
-getProcessID :: IO Int
-getProcessID = fromIntegral <$> P.getCurrentProcessId
 
+getCurrentProcessID :: IO Int
+#ifdef mingw32_HOST_OS
+getCurrentProcessID = fromIntegral <$> System.Win32.Process.getCurrentProcessId
 #else
+getCurrentProcessID = fromIntegral <$> System.Posix.Process.getProcessID
+#endif
 
-import qualified System.Posix.Process as P (getProcessID)
-getProcessID :: IO Int
-getProcessID = fromIntegral <$> P.getProcessID
-
+getProcessID :: ProcessHandle -> IO Int
+getProcessID p = fromIntegral . fromJust <$> getProcessID' p
+  where
+#if MIN_VERSION_process(1,6,3)
+  getProcessID' = System.Process.getPid
+#else
+  getProcessID' (ProcessHandle mh _ _) = do
+    p_ <- readMVar mh
+    case p_ of
+#ifdef mingw32_HOST_OS
+      OpenHandle h -> do
+        pid <- System.Win32.Process.getProcessId h
+        return $ Just pid
+#else
+      OpenHandle pid -> return $ Just pid
+#endif
+      _ -> return Nothing
 #endif
 
 #if MIN_VERSION_conduit(1,3,0)